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Abb Technology Ag patents (2015 archive)


Recent patent applications related to Abb Technology Ag. Abb Technology Ag is listed as an Agent/Assignee. Note: Abb Technology Ag may have other listings under different names/spellings. We're not affiliated with Abb Technology Ag, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Abb Technology Ag-related inventors


12/31/15 / #20150380888

Slip ring arrangement

Slip arrangement (100) for transferring electric power between a stationary part (1) and a rotatable part (20) comprises annular slip rings (101, 102, 103) positioned coaxially around a centre axis (y) at a radial distance from each other and having at least one contact surface (s1, s2). Optional first power supply conductors (111, 112, 113) are attached to the at least one contact surface (s1, s2) of the slip rings (101, 102, 1013). ... Abb Technology Ag

12/31/15 / #20150380534

Power semiconductor device and corresponding module

Power semiconductor device having a wafer, including emitter and collector electrodes arranged on opposite sides, wherein a gate electrode arranged on the emitter side has a conductive gate layer and an insulating layer arranged in the following order between the collector and emitter side: a p doped collector layer, an (n−) doped drift layer, an n doped enhancement layer, a p based base layer having a first and second base region, and an (n+) doped first and second emitter layer, wherein the emitter electrode contacts the first emitter layer and the first base region at an emitter contact area, wherein the second emitter layer is insulated from a direct contact to the emitter electrode by the insulating layer and wherein the second emitter layer is separated from the first emitter layer by the base layer.. . ... Abb Technology Ag

12/31/15 / #20150377393

Hydraulic connecting bush, hydraulic connection, and hydraulic plug

A hydraulic connecting bush for correcting hydraulic lines for hydraulic circuit-breaker drives, having a hollow cylindrical main body with at least two annular grooves, extending circumferentially on the main body outer cylindrical surface and having sealing rings inserted therein, the main body being made of a material having a first elasticity modulus. The bush may be configured for overlapping insertion in hydraulic lines to be connected, in contact with each other at end faces, the hydraulic lines being made of a material having a second elasticity modulus, a gap forming between, the main body and the hydraulic lines, such that if the first elasticity modulus is less than the second elasticity modulus, and an internal pressure is applied, the main body expands more than the hydraulic lines and closes the gap in the region of the sealing rings.. ... Abb Technology Ag

12/31/15 / #20150375248

System and method for determining process parameters for the robot-based spray application of viscous fluids

A system is disclosed for determining process parameters for the spray application of viscous fluids, which can include an application system, which can be actuated by predefining input parameters, for a viscous fluid having at least the components of metering device, fluid valve and application nozzle. The dynamic behaviour of the application system can be dependent, with respect to the volume flow profile of the viscous fluid during the application, and also on predefinable control process parameters. ... Abb Technology Ag

12/24/15 / #20150373869

Housing for electronic power components and a power converting device

A housing for electronic power components, comprising a compartment (13) and a front cover (14) for closing the compartment (13). An insulating air space (18) is defined on the cover (14).. ... Abb Technology Ag

12/24/15 / #20150372670

Circuit and method for detection of failure of the driver signal for parallel electronic switches

There is described a method for driving paralleled electronic switches via a drive signal processing circuit (1) connected to respective driver circuits (5a, 5b) associated with said electronic switches (7 a, 7b). During the turn-off intervals of the electronic switch, the driver circuit sends a fault signal to the drive signal processing circuit. ... Abb Technology Ag

12/24/15 / #20150372404

Programming connector for electrically connecting an external electronic device to circuit board containing a programmable component

The device for electrically connecting a circuit board to an external programmer comprises a support (3) carrying a plurality of retractable electrical contacts (5). The retractable electrical contacts are positioned according to a predetermined arrangement corresponding to the position of conductive pads produced on a circuit board, on which at least one component to be programmed is located. ... Abb Technology Ag

12/24/15 / #20150371775

Radial drop winding for open-wound medium voltage dry type transformers with improved support structure

A method provides a radial drop winding for an open wound transformer. A plurality of non-electrically conductive posts are arranged to define an interior space. ... Abb Technology Ag

12/24/15 / #20150369751

Device and method for transformer in-situ inspection

An inspection device for use in a fluid container having at least an opening includes a housing sized to fit through the opening. The housing has at least two fluid flow channels extending therethrough, each having an inlet and an outlet, and a pump maintained in the housing within each fluid flow channel. ... Abb Technology Ag

12/17/15 / #20150364285

Dead tank circuit breaker with surge arrester connected across the bushing tops of each pole

Surge arrester structure is provided for a dead tank circuit breaker. The circuit breaker has a pole assembly with a first electrical terminal in a first bushing, and a second electrical terminal in a second bushing. ... Abb Technology Ag

12/17/15 / #20150363924

Method for inspection of electrical equipment

Exemplary methods for inspecting electrical equipment in a power distribution network can include the steps of recording, by a mobile device, a photograph with a view of the object, transmitting recording information of the mobile device and the photograph to a computer server hosting a power network description database; generating, from a model stored in the power network description database of a candidate object and based on the recording information of the mobile device, a representation of the candidate object, and comparing the transmitted photograph and the generated representation to identify and characterize the object in the photograph as the candidate object.. . ... Abb Technology Ag

12/10/15 / #20150356491

Workforce optimization by improved provision of job performance plan

A computer-implemented method provides a job performance plan for a plurality of jobs to be performed at geographical locations. The computer receives job data that represent job requirements for specified locations and processes the job data with the data-structure to provide an initial job performance plan. ... Abb Technology Ag

12/10/15 / #20150356483

Method and system for improving route assignment performance

A computer system for executing a method for improving route assignment performance. A route data structure is provided with a labeling algorithm. ... Abb Technology Ag

12/03/15 / #20150349687

Electric power generation and distribution for islanded or weakly-connected systems

A dual-voltage power generation system includes a prime mover configured for adjustable speed operation and a doubly-fed induction generator driven by the prime mover and including a multi-phase stator winding and a multi-phase rotor winding. A first output terminal of the dual-voltage power generation system is electrically connected to the multi-phase stator winding, and a second output terminal is electrically connected to the multi-phase rotor winding. ... Abb Technology Ag

12/03/15 / #20150349609

Fan assembly for cooling electric machine and electric machine incorporating same

The subject matter described herein includes a fan assembly for cooling an electric machine and an electric machine incorporating such a fan assembly. One exemplary fan assembly according to the subject matter described herein includes a first fan annulus for surrounding a portion of an electric machine. ... Abb Technology Ag

12/03/15 / #20150346238

Voltage sensor for high and medium voltage use and a method of making the same

A voltage sensor is disclosed for high and medium voltage use, wherein a voltage divider is arranged in a housing with external creepage distance enlarging ribs. To implement structures for creepage path enlargement to a sensor housing in a very effective and easy way, the voltage divider is arranged in a housing or in housing modules which is or are covered at least partly by at least one shrinking tube of insulating material such that the shrinking creepage enlarging structures are implemented at least at outer surface of the shrinking tube.. ... Abb Technology Ag

12/03/15 / #20150346165

Liquid injection panel for a field-mountable gas chromatograph

A sample injection system for a field-mountable gas chromatograph is described. The system has a sample injection chamber and a vaporization chamber. ... Abb Technology Ag

11/26/15 / #20150341208

Device for managing and configuring field devices in an automation installation

A method and a device are disclosed for managing and configuring field devices in an automation installation with a configuration tool which is designed to physically detect a field device in the automation installation, to logically incorporate the field device into the automation installation, and to configure the field in the automation installation, the configuration tool including a predefined first field-device-specific information packet which at least partially describes the functions and data of the field device. The field devices can be represented in each case by identical screen elements in the configuration tool, which screen elements have a same construction and same functions independently of a location of a device selection.. ... Abb Technology Ag

11/26/15 / #20150339908

Integral safety display for a test switch

An electrical test switch has an integral energized circuit indicator. The energized circuit indicator is integrated into the front and/or rear covers of the test switch. ... Abb Technology Ag

11/26/15 / #20150338837

Method and device for managing and configuring field devices in an automation installation

A method and a device are disclosed for managing and configuring field devices in an automation installation with a configuration tool which is designed to physically detect a field device in the automation installation, to logically incorporate the field device in the automation installation and to configure the field device in the automation installation, the configuration tool including a predefined first field-device-specific information packet which at least partially describes the functions and data of the field device. For repeated performance of actions for devices and displays which are already being used, a permanent device overview includes all devices which are already being used, and a temporary display overview includes all displays which are already being used for a device, the temporary display overview being displayed on an individual-device basis in each case when a device is selected from the permanent device overview.. ... Abb Technology Ag

11/19/15 / #20150333725

Impedance matching element for voltage and/or current sensing devices

An impedance matching element is disclosed which can be used for voltage and/or current sensing or indicating devices used in medium voltage systems in order to improve signal integrity of output signals in comparison with known sensing devices. To enhance sensing accuracy and provide higher output signal immunity against interferences and impedance mismatches, the electric field sensor and/or the magnetic field sensor can be connected to the impedance matching element which allows connection to an independent analogue measuring device and is powered from an energy harvester, with an impedance matching electronic board.. ... Abb Technology Ag

11/19/15 / #20150333504

Protection device for dc collection systems

A protection device includes a diode having its forward direction in a normal power flow of a region of a dc collection system, a first switch in parallel with the diode, a second switch in series with the diode and a control unit for controlling the switches. The first switch can be opened so that current can flow through the diode in the forward direction without the first switch bypassing the diode, and closed if no current is flowing through the diode in the forward direction and power is needed upstream of the diode. ... Abb Technology Ag

11/19/15 / #20150328773

Robot program generation for robotic processes

A system for generating a path to be followed by a robot used to perform a process on a workpiece has a computing device that has program code for operating the robot and obtaining information related to the workpiece and a vision system that scans the workpiece to obtain images thereof that are provided to the computing device. The computing device processes the images to obtain geometric information about the workpiece that the computing device uses in combination with process related reference parameters stored in the computing device to generate program code for a path to be followed by the robot to perform the process on the workpiece. ... Abb Technology Ag

11/05/15 / #20150314448

Teleoperation of machines having at least one actuated mechanism and one machine controller comprising a program code including instructions for transferring control of the machine from said controller to a remote control station

A machine remotely located from a control station has at least one actuated mechanism. A two way real-time communication link connects the machine location with the control station. ... Abb Technology Ag

11/05/15 / #20150314447

Teleoperation of machines having at least one actuated mechanism and a fault detection and recovery system

A machine has at least one actuated mechanism is remotely located from a control station. A two way real-time communication link connects the machine location with the control station. ... Abb Technology Ag

11/05/15 / #20150314442

Bare hand robot path teaching

A system for generating instructions for operating a robot to perform work on a workpiece has a 3d model or models of a robot scene that provides robot scene data. The system also has data of one or both hands of a gesture made with the one or both hands and a computation device that has program code configured to process the robot scene data and the gesture data to generate an instruction to operate the robot.. ... Abb Technology Ag

10/29/15 / #20150311781

Detection of islanding state in electricity network

. . An exemplary method for detecting a three-phase islanding state in a three-phase electricity network includes supplying power to a three-phase electricity network via a power supply assembly, controlling an output frequency of the power supply assembly with a frequency reference signal adapted to deviate the output frequency of the power supply assembly from a grid frequency representing a frequency of a common electricity network whose portion of the three-phase electricity network is in normal operating conditions. The method also includes detecting a three-phase islanding state in the electricity network if the output frequency of the power supply assembly is outside an allowable value range. ... Abb Technology Ag

10/29/15 / #20150311699

Inter-zone communication in industrial control systems

An industrial automation and control system (iacs) for an industrial process including several neighbouring zones connected via a boundary element. The iacs includes a number of communicatively interconnected intelligent electronic devices (ieds), wherein low-level ieds interact with primary devices, and wherein high-level ieds implement high-level zone functions. ... Abb Technology Ag

10/29/15 / #20150311017

Tank mounting structure for dead tank circuit breaker

Mounting structure is provided for mounting a tank to support structure. The tank has a flange extending from a body thereof. ... Abb Technology Ag

10/29/15 / #20150311016

Integrated particle trap in a tank of a dead tank circuit breaker

A tank for a dead tank circuit breaker includes a body having an interior volume defined by an interior surface. A particle trap structure includes a pair of recessed surfaces in a bottom portion of the interior surface. ... Abb Technology Ag

10/29/15 / #20150311015

Support assembly for a micro-switch of a switching device

A support-assembly suitable for a micro-switch of a switching device, including bracket-support-means suitable for being connected, in a stationary position, to a frame portion of the switching-device, coupling-protrusion-component shaped for being provided at an end of an operating-shaft of the micro-switch and for movably engaging with the bracket-support-component. The coupling-protrusion-component and the bracket-support-component being configured for enabling a rotation of the operating-shaft around a rotation-axis and for preventing a movement of the operating-shaft transversely to the rotation-axis.. ... Abb Technology Ag

10/22/15 / #20150303748

Rotor for an electric machine and electric machine including the same

A rotor as disclosed for an electric machine which includes a rotor core having a plurality of rotor sheets stacked in an axial direction, each of the plurality of rotor sheets having a plurality of flux paths made of a material of high permeance, a plurality of flux barriers made of a material of low permeance, a plurality of bridges made of a material of high permeance, each of the plurality of bridges extending across a corresponding flux barrier, and at least one axial magnet located axially adjacent a corresponding bridge and configured to saturate the corresponding bridge, each axial magnet being axially pressed between two elements at least one of which is a bridge corresponding to the axial magnet.. . ... Abb Technology Ag

10/22/15 / #20150300510

Hydraulic valve for preventing leakage in an actuator for activating a high- or medium-voltage circuit breaker

A hydraulic valve for connecting a first fluid-conducting pressure line to a second fluid-conducting pressure line in an actuator for activating a high- or medium-voltage circuit breaker includes a housing with a first channel inlet for attachment to the first pressure line, and with a second channel inlet for attachment to the second pressure line, and a cavity situated between the first and the second channel inlet. The hydraulic valve includes a sealing body which can move in the cavity and has a circumference which is greater, at least at one point, than the respective circumference of openings adjoining the cavity, of the first and the second channel inlets. ... Abb Technology Ag

10/22/15 / #20150298318

Teleoperation of machines having at least one actuated mechanism

A machine that has at least one actuated mechanism is remotely located from a control station. A two way real-time communication link connects the machine location with the control station. ... Abb Technology Ag

10/01/15 / #20150280991

Method and device for managing and configuring field devices in an automation installation (i)

An exemplary method and device provide for managing and configuring field devices in an automation installation with a configuration tool designed to physically detect a field device in the automation installation, logically incorporate the field device in the automation installation, and configure the field device in the automation installation. For this purpose, the configuration tool uses a predefined field-device-specific information packet which describes the functions and data of the field device. ... Abb Technology Ag

10/01/15 / #20150280988

Method for automatically deploying a network device configuration

A method is disclosed for automatically configuring network devices of a data network having at least two configurable network devices, whose configuration parameters are deployable over the data network to the configurable network devices from an initial configuration state to a desired configuration state. At least one of the configurable network devices is from a first type of network devices, whose configuration requires a pre-defined series of at least one intermediate configuration state. ... Abb Technology Ag

10/01/15 / #20150280498

Rotor for an electric machine, an electric machine and method for manufacturing an electric machine

A rotor for an electric machine includes a rotor core having a plurality of rotor sheets (rs1), each of the plurality of rotor sheets including a plurality of flux guide sections, each of the plurality of flux guide sections having a plurality of flux paths and a plurality of flux barriers. The plurality of flux guide sections having a first flux guide section in which a first number of the plurality of flux barriers has a bridge interrupting the flux barrier, and a second flux guide section in which a second number of the plurality of flux barriers has a bridge interrupting the flux barrier. ... Abb Technology Ag

10/01/15 / #20150280455

Inductive power transfer system and method for operating an inductive power transfer system

An exemplary inductive power transfer system having a transmitter coil and a receiver coil. A transmitter-side power converter having a mains rectifier stage powering a transmitter-side dc-bus and controlling a transmitter-side dc-bus voltage u1,dc. ... Abb Technology Ag

10/01/15 / #20150280427

System and method of controlling current-limiters in ring systems

An exemplary electrical network in form of a ring system includes a plurality of infeed transformers which are arranged in parallel between a sourcing busbar/cable system and a ring load busbar/cable system. A junction point connects each infeed transformer to the ring load busbar/cable system. ... Abb Technology Ag

10/01/15 / #20150279594

Quenching chamber of a medium-voltage switch disconnector

A quenching chamber in medium-voltage switch disconnectors includes a body made of a gassing material that is of a solid shape similar to a rectangular prism. The chamber includes an arcing knife channel and an arc chamber hollowed in the body and is fitted with an arcing contact unit located in a socket. ... Abb Technology Ag

10/01/15 / #20150279582

Electrical switching device with a triple motion contact arrangement

A contact arrangement has a longitudinal axis and includes a first contact group with a first contact and a second contact and a second contact group with a third contact and a fourth contact. The first contact interacts electrically and mechanically with the third contact, and/or the second contact interacts electrically and mechanically with the fourth contact, for closing and opening the contact arrangement. ... Abb Technology Ag

10/01/15 / #20150279544

Transformer having an interlocking core frame

A distribution transformer having an interlocking core frame is provided. The core frame encloses a transformer core having at least one phase and provides compression on the core of the transformer to bind the assembly together. ... Abb Technology Ag

10/01/15 / #20150279509

Oil-oil bushing and oil transformer

An oil-oil bushing is disclosed which can include a rotationally symmetrical, paraboloid-like, hollow bushing element of a solid insulating material, along the axial extent of which there is formed radially toward the inside a tubular bushing channel, the wall thickness of which is tapered conically toward at least one of its two ends. An electrical bushing conductor can be fitted into the bushing channel with a form fit and protrude from it on both sides. ... Abb Technology Ag

10/01/15 / #20150278410

Method for monitoring system variables of a distribution or transmission grid

A method for monitoring system variables of an energy distribution or transmission grid includes measuring at least one of the system variables of a system variable vector, estimating the system variables using system equations reflecting a dynamic and static behavior of the system variables on the grid, and displaying the estimated system variables on a screen. To improve the accuracy of the estimated system variables, maximum log-likelihood estimates of the system variables are determined based on minimizing an objective function which includes a probability density function of the corresponding measurement error for each of the system variables for which measurements are taken. ... Abb Technology Ag

10/01/15 / #20150277734

Method and device for managing and configuring field devices in an automation installation (ii)

An exemplary method and device provides for managing and configuring field devices in an automation installation with a configuration tool. The configuration tool is configured to physically detect a field device in the automation installation, logically incorporate the field device in the automation installation, and configure the field device in the automation installation. ... Abb Technology Ag

10/01/15 / #20150277429

System and method for monitoring and/or diagnosing operation of a production line of an industrial plant

A system and method monitor and/or diagnose the operation of a production line of an industrial plant which is controlled by an automation system. The system includes a remote data processing server, which is installed outside of the industrial plant. ... Abb Technology Ag

10/01/15 / #20150277414

Method and device for managing and configuring field devices in an automation installation

An exemplary method and device provide for managing and configuring field devices in an automation installation. In order to make the management and configuration of field devices in an automation installation with a configuration tool flexible, a tool-specific information packet is formed from a first field-device-specific information packet and a second field-device-specific information packet. ... Abb Technology Ag

10/01/15 / #20150276832

Detection of islanding condition in electricity network

A method for single-phase islanding detection in a three-phase electricity network, can include supplying power into a three-phase electricity network (en) by a power supply assembly (psa), the electricity network (en) having a network voltage, and providing a stimulus signal into a positive sequence electric quantity of the electricity network, the positive sequence electric quantity being current, power or a derived quantity thereof. A magnitude and/or a rate of change of an indicative element of a negative sequence component of the network voltage is monitored, a frequency domain of the indicative element including a frequency corresponding to the stimulus signal. ... Abb Technology Ag

09/24/15 / #20150270704

Method and apparatus for the protection of dc distribution systems

While transient current magnitudes at different locations within a dc distribution system themselves are not a reliable indicator of fault location, it is recognized herein that accumulating energy or pseudo energy values provides a reliable basis for tripping the protection element at a fault location. Thus, in one aspect of the teachings herein, pseudo energy values are accumulated independently during a fault condition, for each of one or more protected branch circuits and the protection element for each such branch circuit is tripped responsive to the accumulated pseudo energy values reaching a defined pseudo energy threshold. ... Abb Technology Ag

09/24/15 / #20150270699

Transformer protection system

An exemplary transformer protection system including a protective housing having a transformer which is arranged in the protective housing, a transformer core, and at least one primary-side electrical winding and a secondary-side electrical winding which is magnetically coupled to the primary-side electrical winding. The protection system also includes at least one detection apparatus for a measurement variable from which the occurrence of an interference arc within the protective housing can be derived, and an evaluation unit for generating a fault signal from the measurement variable of the at least one detection apparatus in the case of an interference arc. ... Abb Technology Ag

09/17/15 / #20150263636

Distribution transformer

Among other things, a distribution transformer and a technique for regulating voltage are provided for herein. The distribution transformer comprises at least three windings and at least two ferromagnetic cores. ... Abb Technology Ag

09/17/15 / #20150260203

Subsea pressure compensation arrangement

A subsea pressure compensation arrangement is disclosed as having a vessel filled with insulating fluid, and a pressure compensator for compensating pressure variations of the insulating fluid. The arrangement can include a fluid connection pipe for fluid communication between the vessel and the pressure compensator, wherein the fluid connection pipe is connected to a bottom wall of the pressure compensator. ... Abb Technology Ag

09/17/15 / #20150260163

Method and apparatus for obtaining electricity from offshore wind turbines

According to one aspect of the teachings herein, a system for obtaining electricity from wind turbines provides advantageous operation with respect to offshore wind turbines where the size and weight of electricity generation and collection equipment are key considerations. The contemplated system includes an apparatus that is configured for collecting wind-generated electricity at a fixed low frequency and at a desired collection voltage, based on the advantageous configuration and use of a modular multilevel converter or mmc.. ... Abb Technology Ag

09/17/15 / #20150260162

Method and apparatus for obtaining electricity from offshore wind turbines

According to one aspect of the teachings herein, various feeder connection arrangements and architectures are disclosed, for collecting electricity from wind turbines in an offshore collection grid that operates at a fixed low frequency, e.g., at one third of the targeted utility grid frequency. Embodiments herein detail various feeder arrangements, such as the use of parallel feeder connections and cluster-based feeder arrangements where a centralized substation includes a common step-up transformer for outputting electricity at a stepped-up voltage, for low-frequency transmission to onshore equipment. ... Abb Technology Ag

09/10/15 / #20150256030

Method for operating an energy installation, and an energy system having such energy installations

A method is disclosed for operating an energy installation having a wind turbine or water turbine connected to a generator, a converter unit connected on the generator side to the generator, and an auxiliary energy unit for providing electrical energy to cover an intrinsic energy demand of the energy installation. The converter unit is connected to an electric power grid and feeds electrical energy generated by the generator into the electric power grid via the converter unit. ... Abb Technology Ag

09/10/15 / #20150252835

Tamper-resistant locking fastener cover

A tamper-resistant fastening provision includes a fastener cover having a first flange and second flange joined at one end. The first flange has an elongate opening slidably receiving a shaft of a fastener, and the second flange has an opening disposed closer to a second end of the cover than the first end. ... Abb Technology Ag

09/03/15 / #20150249400

Converter

A converter includes a dc link and at least one phase module that is electrically connected to the dc link and has a phase conductor (lu) emerging from said phase module. The dc link has a positive potential connection (+vdc), a negative potential connection (−vdc), and a neutral point connection (np). ... Abb Technology Ag

09/03/15 / #20150249381

Controlling an electrical converter

An exemplary method for controlling an electrical converter includes receiving an actual electrical quantity relating to the electrical converter and a reference quantity; determining a future state of the electrical converter by minimizing an objective function based on the actual electrical quantity and the reference quantity as initial optimization variables; and determining the next switching state for the electrical converter from the future state of the electrical converter. The objective function is iteratively optimized by: calculating optimized unconstrained optimization variables based on computing a gradient of the objective function with respect to optimization variables; and calculating optimization variables for a next iteration step by projecting the unconstrained optimization variables on constraints. ... Abb Technology Ag

09/03/15 / #20150249323

Actuating device for an electric switchgear

An actuating device for an electric switchgear of the type having one or more bushings connected to a casing. The actuating device can include a gear mechanism which is suitable to be mounted at and outside the zone where a bushing is connected to the casing, and which includes a plurality of gears operatively interconnected to each other and arranged to move a bushing between a first service position and a second transport position wherein it is lowered towards the casing from the first service position. ... Abb Technology Ag

09/03/15 / #20150248978

Vacuum interrupter arrangement for a medium voltage circuit breaker with cup-shaped tmf-contacts

An exemplary vacuum interrupter arrangement for a medium voltage circuit breaker includes a vacuum housing within which a pair of electrical contacts are coaxially arranged and concentrically surrounded by the cylindrical shaped vacuum housing. The electrical contacts are formed as a type of tmf-contacts, each having a slotted cup-shaped contact part which is attached to the distal end of a contact shaft and which is covered by a contact ring disposed on a rim of the cup-shaped contact part, wherein each cup-shaped contact part is provided with a vertical inward bending towards the contact ring. ... Abb Technology Ag

09/03/15 / #20150248975

Connecting device

A connecting device suitable for connecting a movable conducting terminal of a switching device to a stationary conducting terminal of a switchgear apparatus, includes: a pin-group suitable for being inserted into an opening obtained in a connection-region which is defined by mutually overlapping portions of the movable and stationary conducting terminals. The pin-group is movable from a releasing position to a locking-clamping-position. ... Abb Technology Ag

09/03/15 / #20150246446

System for handling workpieces in a press line

The system includes at least two industrial robots, each with a wrist and an auxiliary arm connected to the wrist by a respective first swivel joint, and a control unit for joint control of said robots; it further includes a crossbar connected at one end thereof to the auxiliary arm of one robot, and at another end thereof to the auxiliary arm of another robot, by a respective second swivel joint, the crossbar having at least two crossbar portions, each attached to the auxiliary arm of one robot and each arranged to carry a tool for picking workpieces, and the crossbar portions being linked to each other through a shifting arrangement such as to be displaceable one with respect to the other in their longitudinal direction.. . ... Abb Technology Ag

08/27/15 / #20150244293

System having a first electric motor and a second electric motor for driving a string

An exemplary system includes a first electric motor and a second electric motor, which are coupled mechanically to one another via a common string of the system. The string has a torsional natural oscillation at a natural frequency. ... Abb Technology Ag

08/27/15 / #20150244156

Integrated compact bushing structure combining the functionality of primary contact with a current transformer primary conductor and a post insulator

A bushing structure for a switchgear includes a mounting portion constructed and arranged to mount the bushing structure. A barrel portion extends from the mounting portion and is coaxial there-with. ... Abb Technology Ag

08/27/15 / #20150241094

Power electronics cooling

An exemplary evaporating unit for cooling a heat emitting device includes a cooling circuit having a stack of evaporating units arranged alternately with heat emitting devices. Each evaporating unit is connected to a condenser and includes a first inlet channel, a first plurality of evaporation channels, and a first outlet channel. ... Abb Technology Ag

08/20/15 / #20150236497

Fault current limiter arrangement

A fault current limiter arrangement for a low, medium and high voltage electricity grid, including a fault current limiter unit which is arranged in line with a circuit breaker unit including a fixed electrical contact which is connected to a lower electrical terminal and a movable electrical contact which is connected to an upper electrical terminal, in order to interrupt the current flow after the fault current limiter unit has limited the current flow in a detected fault event. The fault current limiter unit includes a movable electrical sliding contact part which is electrically arranged between the upper electrical terminal of the circuit breaker unit and the movable electrical contact of the circuit breaker unit, and which is movable between a short circuit position adjacent to the upper electrical terminal and a remote position far from the upper electrical terminal for providing a maximum electrical resistance for the current flow.. ... Abb Technology Ag

08/20/15 / #20150234016

Method and arrangement for locating short-circuits in energy supply systems

A method and an arrangement are disclosed for determining the direction of excess currents in energy supply networks, such as in medium voltage networks. An exemplary method and arrangement render it possible to reliably isolate a point of fault caused by a short-circuit or excess current, even if switching systems of the energy supply network do not include a capacitive pickup. ... Abb Technology Ag

08/20/15 / #20150233787

Air gap crawler installation device

A device for installing a modular crawler into an air gap of rotating electrical machinery and removing the crawler from the air gap has a reconfigurable handle attached to a curved head made from metallic material. The crawler is magnetically attached to the curved head when it is desired to insert the crawler into the air gap or remove the crawler from the air gap. ... Abb Technology Ag

08/13/15 / #20150229884

Systems and methods concerning integrated video surveillance of remote assets

A distributed control system and associated methods of operating distributed control systems includes an asset management system including an asset monitor, event system and alarm system. The management system is operable to communicate with one or more remote stations disposed proximate to one or more assets. ... Abb Technology Ag

08/13/15 / #20150229233

Model predictive control with reference tracking

An exemplary electrical converter includes a plurality of semiconductor switches. The electrical converter is configured for generating a two-level or multi-level output voltage from an input voltage by switching the plurality of semiconductor switches. ... Abb Technology Ag

08/13/15 / #20150229227

Multi-phase ac/ac step-down converter for distribution systems

A step-down ac/ac converter for use in an electric distribution system includes at least one chopper circuit for each one of a plurality of phases of the ac power, each chopper circuit including a four-quadrant switch coupled in series between primary and secondary sides of the chopper circuit and a current-bidirectional two-quadrant switch coupled between the secondary side of the chopper circuit and a common node. Each current-bidirectional two-quadrant switch is oriented in the same direction, with respect to the secondary side of the corresponding chopper circuit and the common node. ... Abb Technology Ag

08/13/15 / #20150229111

Method and structure for fastening and electrically isolating busbars insulated with heat-shrink material

Isolation structure is provided for electrically isolating a busbar mounted to a post insulator by a fastener via a busbar mounting hole. The busbar has insulating material covering the busbar except for surfaces defining the mounting hole. ... Abb Technology Ag

08/13/15 / #20150229109

Medium voltage switchgear construction using symmetric sheet metal parts and panels to build compartment assemblies and subassemblies

Side panels for a compartment of a switchgear include a first panel structure and a second panel structure that is identical to the first panel structure. Each panel structure has a body with symmetric surface features in the body. ... Abb Technology Ag

08/13/15 / #20150227126

Communication configuration analysis in process control systems

The present invention is concerned with process control systems including a client ied and a plurality of server ieds connected to an ethernet communication network. A protocol analyser tool connected to the communication network captures messages directed to the client ied and assigns, from a standardized configuration representation of the pc system comprising the logical data flow definitions, a server or source ied to each captured message. ... Abb Technology Ag

08/06/15 / #20150222200

Interleaved 12-pulse rectifier

Among other things, one or more techniques and/or systems are provided for converting a three-phase ac voltage to a 12-pulse dc voltage, drawing a 12-pulse ac current from a three-phase network. A rectifier (200,336,436,536,636) may comprise a first interleaved phase-leg (202,326,426,526,626), a second interleaved phase-leg (204,328,428,528,628), and/or a third interleaved phase-leg (206,330,430,530,630). ... Abb Technology Ag

08/06/15 / #20150221465

Embedded pole part with an isolating housing

An exemplary embedded pole part with an isolating housing, which accommodates a vacuum interrupter as well as electric terminals by an injected embedding material, wherein the injected embedding material is filled with silica based on silicon dioxide as filler material, and the silica is silica fume, which includes amorphous, non-porous spheres of silicon dioxide and agglomerates thereof.. . ... Abb Technology Ag

08/06/15 / #20150221464

Pole part of a medium voltage circuit breaker arrangement comprising a triggered gap unit

A pole part of a low-, medium- or high voltage circuit breaker arrangement includes a pole housing for accommodating a vacuum interrupter with a pair of corresponding electrical contacts. A fixed electrical contact is connected to an upper electrical terminal and a movable electrical contact is connected to a lower electrical terminal. ... Abb Technology Ag

08/06/15 / #20150221457

Assembled pole part with pole part frame

An exemplary assembled pole part includes two pole part frames made of insulating material, between which a vacuum interrupter is mounted. The vacuum interrupter includes a fixed contact and a moving contact. ... Abb Technology Ag

08/06/15 / #20150221456

Actuator for low-, medium- or high-voltage switchgears

The disclosure relates to an actuator for low-, medium- or high-voltage switchgears with a drive to move at least one movable contact, with mechanical actuation energy transmission elements between the drive and the movable contact system, in which rotating and/or translating elements mechanically correspond to at least one position determining switch. To compensate mechanically for torsion and/or bending effects, the rotating and/or the translating element is divided mechanically into a first part and a second part, movable relative to each other, a tappet element being between the parts. ... Abb Technology Ag

08/06/15 / #20150221455

Electrical switching device, which switches stroke-dependently, with extended switching hysteresis

The disclosure relates to an electrical switching device, which switches stroke-dependently, with extended switching hysteresis, including a switching element with a contact lever, the switching element cooperating with an actuating element movably guided in a holding device. The actuating element has a step-shaped portion for actuating the contact lever of the switching element and the actuating element has an opening in which an engagement element designed as a bolt or a pin engages when a switching action is initiated. ... Abb Technology Ag

08/06/15 / #20150217359

Stacking line system and method for stacking blanks outputted from a blanking shear or press

It comprises a transfer unit for receiving the blanks; at least one stacking support for stacking blanks thereon; at least two industrial robots, said robots being arranged with respect to the transfer unit such that they are operable in at least an individual operating mode in which each robot picks a blank from the transfer unit in order to place it on a stacking support, and a joint operating mode in which a group of said robots act simultaneously on one and the same blank, to pick it from the transfer unit in order to place it on a stacking support; and robot control means adapted to operate the industrial robots in individual operating mode or in joint operating mode, depending on a parameter related to the size of the blanks, the weight of the blanks, the output rate from the blanking shear or press, and/or a combination thereof.. . ... Abb Technology Ag

08/06/15 / #20150217317

Color-changer

A color-changer includes an output-channel having an outlet for paint material, and paint-supply-channels leading to the output-channel. The paint-supply channels are each respectively switchable by a corresponding first valve component. ... Abb Technology Ag

07/30/15 / #20150214724

Circuit breaker with stacked breaker modules

A circuit breaker is disclosed which includes a plurality of stacked breaker modules arranged in series. Each breaker module can include, in parallel, a mechanical switching assembly, a semiconductor switching assembly and an arrester assembly. ... Abb Technology Ag

07/30/15 / #20150212126

System and method for unified power quality monitoring and data collection in a power system having heterogeneous devices for monitoring power quality

A power quality monitoring system and method standardizes power quality data obtained from heterogeneous devices such as power quality meters and other devices from various manufacturers. The power quality data is provided in a device independent and standardized format for use by web applications and other systems that manage and present the power quality data.. ... Abb Technology Ag

07/30/15 / #20150212118

Electro optical voltage transducer signal processing system

A system that measures a high electric voltage on an electrical transmission line has an electro optical voltage transducer sensor connected between the electrical transmission line and ground for providing in response to the measured high electric voltage a sin optical intensity signal and a cos optical intensity signal. The system also has a signal processor that operates in a first state to digitally process samples of the sin and said cos optical intensity signals. ... Abb Technology Ag

07/23/15 / #20150205967

Method for processing data streams with multiple tenants

The present disclosure relates to the field of processing data in the stream processing network, such as processing data having data streams associated with multiple owners or entities. A method is disclosed of secure processing of input data by a stream processing network having first and second processing units, wherein the method can include: a) receiving input data from a communication channel, wherein the input data includes a first data stream associated with a first owner and a second data stream associated with a second owner; b) distinguishing data packets of the first data stream from that of the second data stream; and c) processing the first data stream with the first processing unit.. ... Abb Technology Ag

07/09/15 / #20150192619

Current and/or voltage sensor device, and method of operation the same

A voltage and or current sensor device for use in medium- or high voltage application, wherein a sensor or sensors of the sensor device is or are arranged in a housing. To enhance communication between the sensor and an electronical device, in order to use maximum possible accuracy potential of the voltage and current sensors, a signal and/or data memory element is integrated in the sensor housing, or placed near the sensor such that the sensor device output signal can be directly evaluated.. ... Abb Technology Ag

07/02/15 / #20150185748

Method and apparatus for distributed overriding automatic reclosing of fault interrupting devices

Automatic reclosing of a fault interrupting device is overridden by establishing communication with a control system for a fault interrupting device operable to open responsive to a fault on an electric distribution system and automatically reclose after a predetermined time delay, and analyzing data for the electric distribution system by an apparatus separate from the fault interrupting device control system and having higher performance than the fault interrupting device control system, to determine whether to block the automatic reclosing of the fault interrupting device before the fault interrupting device automatically recloses. An autoreclosing block command is generated by the apparatus if the apparatus determines the automatic reclosing of the fault interrupting device should be blocked. ... Abb Technology Ag

06/25/15 / #20150180954

Network interface for transmitting protection data of a power network

A network interface is disclosed for redundant coupling of a substation communication network and a packet-switched wan of a power network. The interface device can include: a first redundancy module having: two lan ports connectable with the substation communication network, and a first interface port; a second redundancy module having: two wan ports connectable with the wan, and a second interface port; and a first interworking module connecting the first with the second redundancy module via the first and the second interface port, and adapted to forward protection data between the first and the second redundancy module.. ... Abb Technology Ag

06/25/15 / #20150180352

Controlling a modular converter

A modular converter is disclosed which includes plural converter cells connected in series on a first side, and connected on a second side, wherein each converter cell includes an ac-to-dc converter connected to the first side and a dc-to-dc converter connected to the second side. Exemplary embodiments estimate power transferred by the modular converter; compare the transferred power with a threshold value; when the transferred power exceeds the threshold value, operate in a normal load operation mode; when the transferred power is below the threshold value, operate in a low load operation mode with reduced switching losses.. ... Abb Technology Ag

06/25/15 / #20150180230

Methods, systems, and computer readable media for managing the distribution of power from a photovoltaic source in a multiple-floor building

Methods, systems, and computer readable media for managing the distribution of photovoltaic power in a multi-floor building are disclosed. According to one aspect, a method includes determining power requirements for each of a plurality of loads associated with a respective plurality of floors in a multi-floor building, wherein each of the plurality of floors includes a direct current (dc) distribution bus. ... Abb Technology Ag

06/25/15 / #20150179083

Interactive interface for asset health management

One or more techniques and/or systems are provided for providing an interactive game interface for asset management. The interactive game interface may be used to train users, such as employees of a particular industry (e.g., an electrical utility industry), and/or capture knowledge from users. ... Abb Technology Ag

06/18/15 / #20150173242

Modular cooling system

An exemplary modular cooling system for cooling a plurality of electronic components is provided. The cooling system includes a plurality of cooling modules and a clamping arrangement. ... Abb Technology Ag

06/18/15 / #20150171769

Controlling a modular converter in two stages

A modular converter having a plurality of converter modules for converting an input voltage into an output voltage to be supplied to a load by receiving a control input reference vector, a control input vector and a control input parameter vector; determining a control output reference vector from the control input reference vector, the control input vector and the control input parameter vector in a first control stage; and controlling the converter modules by generating switching signals based on the control output reference vector in a further control stage.. . ... Abb Technology Ag

06/18/15 / #20150171741

Method and apparatus for transferring power between ac and dc power systems

In one aspect of the teachings herein, a self-commutated current source converter is operated in a manner that compensates for the reactive power consumption and/or harmonics generation of a line-commutated current source converter used in the transfer of electrical power between an ac power system and a dc power system. In this regard, the line-commutated current source converter is operated as a first converter in a hybrid converter apparatus and the self-commutated current source converter is operated as a second converter in the hybrid arrangement. ... Abb Technology Ag

06/18/15 / #20150171726

Controlling a modular converter

A method for controlling a modular converter with a plurality of converter modules includes: selecting possible future switching sequences of the converter based on an actual converter switching state; predicting a future current trajectory for each switching sequence based on actual internal currents and on actual internal voltages; and determining candidate sequences from the switching sequences, wherein a candidate sequence is a switching sequence with a current trajectory that respects predefined bounds with respect to a reference current or, when a predefined bound is violated, moves the current closer to such a predefined bound. The method includes predicting future module voltages for each candidate sequence; evaluating a cost function for each candidate sequence; and selecting the next converter switching state as a first converter switching state of a candidate sequence with minimal costs.. ... Abb Technology Ag

06/18/15 / #20150171603

Electrically insulating shell, an electrically insulating device comprising such insulating shell, and related switchgear panel

An electrically insulating shell is disclosed, which includes a first half shell and a second half shell devised to be mutually connected together and shaped so as to define, once connected together, a central part delimiting a substantially closed space, which will encase a corresponding first portion of an associated electrical conductor. A first hollow portion protrudes from a first side of the central part, the first hollow portion being in communication with an inner space of the closed central part and adapted to surround a corresponding second portion of the electrical conductor. ... Abb Technology Ag

06/18/15 / #20150170857

Electromagnetic actuator for a medium voltage vacuum circuit breaker

A electromagnetic actuator is disclosed for a medium voltage vacuum circuit breaker, having at least one movable ferromagnetic plunger which is guided by at least one axis in a ferromagnetic frame. At least one permanent magnet can be arranged on an inner extent area of the ferromagnetic frame, and at least one coil can be at least partially arranged inside the ferromagnetic frame. ... Abb Technology Ag

06/18/15 / #20150170849

Mechanical interlock structure for switchgear

An interlock structure is coupled between actuating structure and a travel adjuster of a circuit breaker. The interlock structure includes a body having a bore therein. ... Abb Technology Ag

06/18/15 / #20150168189

Method for determination of the time of flight of the signals in the signal paths of a coriolis flow meter

A method and system are disclosed for determination of a time of flight of working signals in a measuring instrument, which are respectively transmitted independently of one another via structurally equivalent individual signal paths from a respective signal source to a common signal sink, and for correction of the working signals. The method can include generating a test signal, which is superimposed simultaneously and in-phase on at least two working signals at identical structural elements of the structurally equivalent individual signal paths; determining time of flight differences of the test signal over the respective signal paths at the common signal sink; and correcting the phase differences of the working signals over the respective signal paths of the test signal as a function of the time of flight differences determined for the test signal.. ... Abb Technology Ag

06/18/15 / #20150167704

Pressure compensator

A pressure compensator is disclosed for a subsea electric installation, which includes a rigid bottle and a flexible bag placed in the rigid bottle, the pressure compensator including a first opening at a first end of the pressure compensator allowing fluid communication of an insulating medium arranged to intermediate space between the rigid bottle and the flexible bag, a second opening at a second end of the pressure compensator allowing fluid communication of seawater arranged within the flexible bag; and a bypass channel providing fluid communication between two points in the intermediate space of the pressure compensator.. . ... Abb Technology Ag

06/18/15 / #20150165566

Adaptable facility for assembling different sheet metal elements

An adaptable installation for assembling sheet metal parts is provided, so as to constitute sheet metal elements of a plurality of types. The installation has a series of assembly stations in a row, each station being dedicated to assembling one type of element, at least one assembly rail extending parallel to the series of stations in a row and carrying at least one assembly robot that can move from one station to another along the rail that carries it in order to assemble sheet metal parts together at each station, and at least one handling rail extending along an assembly rail and carrying at least one handling robot in order to supply each station with sheet metal parts to be assembled and in order to extract the elements that have been assembled from each station.. ... Abb Technology Ag

06/11/15 / #20150163957

Arc resistant ventilation system for switchgear

A ventilation system for switchgear has at least one chimney mounted to the roof of the switchgear enclosure. The at least one chimney has a flap mounted thereon for relieving pressure, hot gases, and particulate matter generated during an arc flash. ... Abb Technology Ag

06/11/15 / #20150162822

Bridgeless power factor correction circuit

A bridgeless power factor correction circuit as disclosed can include first and second input inductors, a series connection of a first diode and a first controllable semiconductor switch, and a series connection of a second diode and a second controllable semiconductor switch, the series connections being connected in parallel between positive and negative output terminals of the power factor correction circuit. The power factor correction circuit can include a switching circuit adapted to connect a capacitor between the input terminal and the output terminal such that the capacitor is connected between the first input terminal and a potential of the output terminal when input voltage connectable to the input terminals is positive and the capacitor is connected between the second input terminal and a potential of the output terminal when the input voltage connectable to the input terminals is negative.. ... Abb Technology Ag

06/11/15 / #20150162738

High-power semiconductor module

A high-power semiconductor module is disclosed, which can include a high-power semiconductor device mounted on the module and at least two electrical connections. The module can include a short-circuit device mounted on the module. ... Abb Technology Ag

06/11/15 / #20150162727

Withdrawable control compartment for switchgear

A withdrawable control compartment for mounting breaker control and measurement devices therein is provided. The compartment is withdrawable upon rollers and allows for quick disconnection of the devices from the energized parts of the switchgear. ... Abb Technology Ag

06/11/15 / #20150162726

Compact medium voltage air insulated switchgear using rear mounted current transformers and bushings of different length

A switchgear includes a housing having a wall separating a circuit breaker compartment from a bus/cable compartment. A plurality of bushings is provided. ... Abb Technology Ag

06/11/15 / #20150162150

Amf contact for vacuum interrupter with inforcement element

An amf contact for a vacuum interrupter includes concentric opposing contact pieces. The contact pieces include an external electrode shaped like a coil with a plate as a bottom plate of the external electrode, which generates a strong axial magnetic field, and an inner internal electrode as a top electrode carrying the nominal current. ... Abb Technology Ag

06/04/15 / #20150155708

Converter system for series connected ac sources

A converter system for coupling to an ac power source includes a rectifier and a bi-directional converter. The rectifier has a first set of terminals inductively coupled to an ac power source and a second set of terminals coupled in series with a series dc bus, and is operable to convert ac power at the first set of terminals to dc power at the second set of terminals. ... Abb Technology Ag

06/04/15 / #20150153396

Detecting shorted diodes

A method, a controller unit for a bridge rectifier, and a bridge rectifier system are disclosed for detecting a shorted diode in a bridge rectifier. The method can include determining a phase-to-phase voltage between two phase inputs of the bridge rectifier, wherein a phase input is provided between the two series connected diodes of the respective phase, and indicating a shorted diode fault by determining whether the phase-to-phase voltage is zero for more than a commutation time of the bridge rectifier.. ... Abb Technology Ag

06/04/15 / #20150153391

Medium or high voltage arrangement with cable connection terminal

A medium or high voltage arrangement with a cable connection terminal and a voltage sensor is disclosed, wherein the voltage sensor has a resistive voltage divider and shielding electrodes. In order to enhance the accuracy of voltage measurement at medium or high voltage pole parts, the voltage sensor can be applied as a voltage sensor module, which can be integrated in a further cable connection terminal, and the shielding electrodes can be an integral part of the voltage sensor module or an integral part of an insulating housing part of the further cable connection terminal.. ... Abb Technology Ag

05/28/15 / #20150149135

Method and system for predicting the performance of a ship

A computer-implemented method is disclosed to produce a model that predicts performance of a ship by creating an initial model based on relationships between factors related to the ship during operation and parameters representing primary dynamic input data that depend on the factors. Measurement results are obtained from sensors during the operation of the ship for producing a set of new dynamic input data to be used in the model. ... Abb Technology Ag

05/28/15 / #20150149107

Loopback test of the proper operation of technical devices in an industrial process automation system

A method and a system are disclosed for the loopback test of the proper operation of technical devices integrated in an industrial process automation system and operated by at least one electronic controller via wired or wireless connections for controlling the industrial process. The following test can be performed: a) configuring, in a device management unit having a graphical user interface, the loopback test by selecting technical devices to be included therein and specifying the test variant to be used, and b) performing, via the device management unit, the loopback test for each of the selected technical devices using the assigned test variant.. ... Abb Technology Ag

05/28/15 / #20150149074

Method and system for determination of a route for a ship

A computer-implemented method is disclosed for determination of a route for a ship by defining one or more performance variables of the ship and dynamic input parameters that affect to the performance variable. Information of ship operation and measurement results from sensors during the operation of the ship are obtained and a set of dynamic input parameters is produced. ... Abb Technology Ag

05/28/15 / #20150148972

Device and method for operating parallel centrifugal pumps

A device and a method for operating multiple centrifugal pumps are disclosed. The device can include a communication interface for receiving as at least one input information, an instantaneous pressure drop and an instantaneous flow rate per pump or speed of the centrifugal pumps, and for transmitting output information to the centrifugal pumps, where the output information reflects a reference value for the number of centrifugal pumps to be operated in parallel. ... Abb Technology Ag

05/28/15 / #20150145502

Voltage measurement device with an insulating body

A voltage measurement device includes an insulating body, for the use in medium- or high-voltage equipment or switchgears the insulating body includes an impedance divider having at least one high voltage impedance and at least one low voltage impedance in series, and with shielding electrodes. In order to optimize the circuit design for voltage measurement design in a given application and prevent the risk of malfunction when the same device it is used in multiple applications or at severe environmental or operating conditions, the device includes at least one high-voltage shielding electrode and/or at least one low-voltage shielding electrode which dimensions together establish a physical length of the impedance divider. ... Abb Technology Ag

05/21/15 / #20150138852

Overload limitation in peak power operation

An exemplary method for operating a converter to supply electrical power to a load includes controlling the converter for a provided overload time so that overload power is applied to the load, and controlling the converter for a provided resting time, so that resting power is applied to the load. The overload power is higher than a nominal power which corresponds to a steady-state operation limit of the converter, wherein the resting power is lower than the nominal power.. ... Abb Technology Ag

05/21/15 / #20150137914

Actuator for medium voltage switchgear

An actuator for a switchgear is disclosed, which can include a core having a package of core element layers made of magnetic material, and permanent magnets between the core elements, fixed with screws with screwheads. A movable plate is configured to open or close a magnetic circuit to the core, and an electromagnetic coil is surrounded by the core elements. ... Abb Technology Ag

05/21/15 / #20150137595

Hybrid alternating current (ac)/direct current (dc) distribution for multiple-floor buildings

A hybrid alternating current (ac)/direct current (dc) distribution system for multiple-floor buildings includes per-floor rectifiers for converting supply side ac to dc. Each rectifier is configured to supply a plurality of dc loads associated with one floor of a multiple-floor building. ... Abb Technology Ag

05/07/15 / #20150127792

Configuration management device, configuration interface device and method for vendor-independent network device configuration

A configuration management device for vendor-independent network device configuration includes a network interface unit for communicating with network devices over a communications network and a data storage unit. The network interface unit can include a unified device network interface and a device-specific driver unit, where the unified device network interface can: retrieve a device profile; to identify a network device which belongs to a network device type corresponding to the device profile; retrieve information on a device-specific configuration protocol to be used during configuration of the network device; and download values for the vendor-independent configuration parameters to the network device.. ... Abb Technology Ag

05/07/15 / #20150127183

Master intelligent electronic device for high level applications

A master-ied (intelligent electronic device) is disclosed for high level applications (e.g., in power management or load shedding applications in power generation facilities or in electric power transformation), which can include at least one communication interface supporting mms client and goose functionality (ci-1, ci-2 . . ... Abb Technology Ag

05/07/15 / #20150124497

Method for operating a converter circuit

A method is disclosed for operating a converter circuit, in which controllable power semiconductor switches of the rectifier unit of a converter circuit are controlled by a rectifier switch signal and the controllable power semiconductor switches of the inverter unit of the converter circuit are controlled by an inverter switch signal. In order to reduce losses in the no-load state of the converter circuit, the rectifier switch signal is blocked in order to disconnect the controllable power semiconductor switches of the rectifier unit if defined conditions of the converter circuit are fulfilled.. ... Abb Technology Ag

05/07/15 / #20150123613

Charger for electric vehicles with distributed power converter arbitration

The present application relates to a charger for electric vehicles, comprising at least two power exchange ports for vehicles, each port comprising a data communication connection for at least receiving a power request from a vehicle, and a power exchange connection for delivering power to a vehicle; at least one grid connection for receiving electric power; a data communication bus, for communicating the power request from the vehicles to a plurality of autonomously controllable power converters, each for converting power from the grid connection to a suitable level for charging a vehicle; and each of the power converters comprises a data communication device, connected to the data bus, and configured for receiving power requests from vehicles; and configured for indicating its available power via the data bus.. . ... Abb Technology Ag

05/07/15 / #20150123472

Energy supply device for explosion-proof electronic functional units

An exemplary energy supply device for explosion-proof electronic functional units includes a plurality of inductors. The functional units are supplied from a high-frequency ac voltage that is individually output for each of the functional units via an inductor. ... Abb Technology Ag

05/07/15 / #20150123262

Power semiconductor clamping stack

An exemplary power semiconductor clamping stack includes a plurality of power semiconductor components that are arranged in a row along the stacking direction, and a first and second end plate. The row of power semiconductor components is arranged between the first and second end plate and a clamping force is applied to the first and second end plate in order to tension the row of power semiconductor components between the first and second end plate. ... Abb Technology Ag

04/30/15 / #20150116886

Multiphase circuit breaker system having a short-circuit link

The circuit breaker system contains a plurality of phase conductors, a circuit breaker having a plurality of breaker poles, and a short-circuit link having a star point and a plurality of link conductors combined at the star point. Each of the phase conductors is electrically conductively connected to in each case one of the breaker poles and each link conductor is electrically conductively connected to in each case one of the phase conductors in each case one of several first disconnectors to which short-circuit current can be applied. ... Abb Technology Ag

04/30/15 / #20150116071

Energy supply device for explosion-proof electronic functional units

An exemplary energy supply device for explosion-proof electronic functional units, in which the functional units are supplied from a high-frequency ac voltage that is individually output for each of the functional units via an inductor. In order to supply a multiplicity of functional units with little effort, the multi-level printed circuit board of each inductor can be covered with a flat board of magnetic material. ... Abb Technology Ag

04/30/15 / #20150114933

Pushrod assembly for a medium voltage vacuum circuit breaker

A pushrod assembly for a medium voltage vacuum circuit breaker and vacuum circuit breaker are disclosed. The pushrod assembly can include a pushrod with an insulating body, whereby an electrical conducting terminal is arranged on a first abutting face of the insulating body and a guiding means is arranged on an opposing side of the electrical conducting terminal on a second abutting face of the insulating body for mechanically connecting the pushrod with an electromagnetic actuator. ... Abb Technology Ag

04/30/15 / #20150114932

Circuit-breaker pole part with a heat transfer shield

A pole part of a circuit-breaker arrangement having an insulation housing for accommodating a vacuum interrupter insert containing a pair of corresponding electrical switching contacts, wherein a fixed upper electrical contact is connected to an upper electrical terminal molded in the insulation housing and a movable lower electrical contact is connected to a lower electrical terminal of the insulation housing via an electrical conductor which is operated by an adjacent pushrod. The lower electrical terminal is connected to a ring shaped heat transfer shield arranged along the inner wall or at least partly inside the wall of the insulation housing surrounding the pushrod and/or the distal end of the movable lower electrical contact.. ... Abb Technology Ag

04/30/15 / #20150114931

Vacuum interrupter with double coaxial contact arrangement at each side

A vacuum interrupter is provided with a double co-axial contact arrangement in which an inner contact can have a tmf-like or pin shape arranged within a concentrically cup shaped amf coil having a single layer or multilayered contact parts at each side, on the side of a fixed contact arrangement as well as on the side of a movable contact arrangement. To provide high conductivity and low resistance, the outer cup shaped contact is made from a double or multiple layer arrangement, wherein at least one layer is made from a hard steel or steel alloy, and at least a second layer is made from material with high thermal conductivity.. ... Abb Technology Ag

04/23/15 / #20150109837

Modular thyristor-based rectifier circuits

Power conversion apparatus for controllably converting alternating current (ac) to direct current (dc). An example apparatus includes multiple ac sources, galvanically isolated from one another, and multiple bridge rectifier circuits, including one or more controllable bridge rectifier circuits, where each bridge rectifier circuit has respective ac-side terminals and dc-side terminals and each bridge rectifier circuit is connected to a corresponding one of the ac sources via its ac-side terminals. ... Abb Technology Ag

04/23/15 / #20150109089

High-voltage transformer

A high-voltage transformer and method of manufacturing are disclosed. The high-voltage transformer can include a transformer core having at least two core limbs, which are axially parallel and on which in each case a hollow-cylindrical coil having in each case at least one electrical winding is arranged. ... Abb Technology Ag

04/23/15 / #20150109085

Transformer

A transformer and a method of manufacturing a transformer are disclosed. The transformer can include a transformer core with at least three core limbs which are arranged in parallel with respect to one another and perpendicular to corner points of an area spanned by a polygon, and wherein axial end regions of each of the at least three core limbs transition into a respective yoke segment arranged transversely with respect to the axial end regions. ... Abb Technology Ag

04/23/15 / #20150109031

Rc-igbt with freewheeling sic diode

A semiconductor module as disclosed can include a reverse conducting transistor, with a gate, a collector and an emitter providing a reverse conducting diode between collector and emitter; at least one freewheeling diode connected antiparallel to the transistor having a forward voltage drop higher than the reverse conducting diode during a static state; and a controller to turn the transistor on and off. The controller can apply a pulse to the transistor gate before the reverse conducting diode enters a blocking state, such that when the reverse conducting diode enters the blocking state, a forward voltage drop of the reverse conducting diode is higher than of the at least one freewheeling diode.. ... Abb Technology Ag

04/23/15 / #20150109017

Test system for high-voltage components

An exemplary test arrangement for in-situ partial discharge measurements in distribution transformers has at least one test system with a plurality of test components including: an ac voltage source for producing a variable test voltage with a measuring apparatus for recording current pulses caused by partial discharge and with an evaluation apparatus for the recorded current pulses, a grounded test container in which at least some of the test components are arranged, and a distribution transformer connected to the ac voltage source as a test object. The test object is arranged on insulation means for electrically insulating the test object. ... Abb Technology Ag

04/23/15 / #20150108761

Turbine-generator system with dc output

A turbine generator system includes a doubly-fed alternating-current (ac) generator having a first poly-phase circuit (e.g., a stator circuit) and a second poly-phase circuit (e.g., a rotor circuit), a poly-phase ac-to-ac converter circuit coupled between the first and second poly-phase circuits, a poly-phase transformer having input windings coupled to the first poly-phase circuit and having output windings, and a uni-directional rectifier circuit coupled to the output windings of the poly-phase transformer and configured to convert poly-phase ac from the transformer output windings to direct current (dc).. . ... Abb Technology Ag

04/23/15 / #20150108755

Auxiliary power system for turbine-based energy generation system

A turbine-based energy generation system includes an electric generator and auxiliary load. A power system for the turbine-based energy generation system includes a main converter and an auxiliary converter. ... Abb Technology Ag

04/09/15 / #20150099531

Inspecting equipment of a power system

A method of inspecting equipment of a power system can involve identifying a geographical area including a presumed faulty piece of equipment with a central computer system of the power system; determining a contact (e.g., a person) at the geographical area; sending a request for inspecting local equipment in the geographical area to the person; taking a picture, by the person, of a piece of local equipment; transmitting the picture to the central computer system; and evaluating at the central computer system, whether the piece of local equipment in the picture is faulty or not.. . ... Abb Technology Ag

04/02/15 / #20150092321

Energy supply device for explosion-proof electronic functional units

An exemplary energy supply device for explosion-proof electronic functional units supplies each functional unit with a high-frequency ac voltage via an inductor. The inductors are formed as substantially congruent conductor tracks of a multi-level printed circuit board, which can be connected to one another and arranged vertically on a distribution printed circuit board. ... Abb Technology Ag

04/02/15 / #20150092311

Methods, systems, and computer readable media for protection of direct current building electrical systems

Methods, systems, and computer readable media for providing protection of dc building electrical systems are disclosed. According to one aspect, a system for over-current protection of direct current (dc) building electrical systems includes a dc bus for providing dc power to a building and multiple dc feeder conductors for providing dc power to multiple locations within the building. ... Abb Technology Ag

03/26/15 / #20150088275

Tool for configuring a freely programmable control device

A method is disclosed for conditioning a tool for configuring a freely programmable control device for integrating intelligent field devices in a control or automation system having a flexibly expandable hardware structure, in which device-related information is visualized as objects of a branched tree structure. To improve user-friendliness, recording use of these objects by the user over the service life of the control or automation system allows for determining usage frequency. ... Abb Technology Ag

03/26/15 / #20150088274

Method for conditioning a tool for configuring a freely programmable control device

A method is disclosed for conditioning a tool for configuring a freely programmable control device for integrating intelligent field devices in a control or automation system having a flexibly expandable hardware structure, in which device-related information is visualized as objects of a branched tree structure. To improve user-friendliness, recording use of these objects by the user over the service life of the control or automation system allows for determining usage frequency. ... Abb Technology Ag

03/26/15 / #20150087177

Electrical adapter, and related switchgear panel

An electrical adapter is disclosed for connecting a connection contact of a circuit breaker with an associated contact piece of an electrical circuit along which the circuit breaker has to be inserted, including a hollow tubular element having a first end portion and a second end portion configured to be electrically connected to a connection contact and a contact piece, respectively, an inner cavity of the hollow tubular element having, at the first end portion, a first frusto-conical shape. A first connector having a hollow deformable body and configured to be accommodated inside the first end portion. ... Abb Technology Ag

03/26/15 / #20150083563

Working cylinder for a drive of an electric circuit breaker

An exemplary working cylinder for a drive of an electric circuit breaker includes a base that includes a cylinder head and a cylinder body that are connected to one another. Additional components are fastened to the cylinder head as a core piece of the drive, and a thrust ring is guided on an outer surface of the cylinder body. ... Abb Technology Ag

03/26/15 / #20150083556

Shutter device for an electrical switchgear panel, and related switchgear panel

A shutter device is disclosed for an electric switchgear panel, including a base configured to be placed on a bearing surface inside the switchgear panel, the base being adapted to support, positioned thereon, a current switching device movable between a connected position wherein the switching device is electrically connected to an associated electrical circuit and a disconnected position wherein the switching device is electrically separated from the corresponding electrical circuit, a frame having at least a portion which rises up transversally from the base and delimits a through aperture, a movable shutter operatively associated with the base and the frame and an actuating mechanism adapted to move the shutter between a first position where the shutter closes at least partially the through aperture and a second position wherein the shutter is retracted and leaves the through aperture at least partially opened.. . ... Abb Technology Ag

03/12/15 / #20150070868

Shielding element for use in medium voltage switchgears, and method for manufacture the same

A shielding element is provided for medium voltage switchgears with vacuum interrupters having at least two contacts, which are movable along a switching path between closed and open contact positions. The shielding element is positioned around the contact position region in the vacuum interrupter. ... Abb Technology Ag

03/12/15 / #20150069463

Substrate for mounting multiple power transistors thereon and power semiconductor module

Exemplary embodiments provide a substrate for mounting multiple power transistors. The substrate has a first metallization on which the power transistors are mountable with an associated collector or emitter, and which extends in at least one line on the substrate. ... Abb Technology Ag

03/05/15 / #20150067828

Industrial automation and control device user access

Solutions are disclosed for simplified user access to ieds in industrial or utility operating environments such as those compatible with iec 62351-8, having an lhmi with a restricted ied key set. A central access enabler assigns a short and temporary session secret to a previously authenticated user, and forwards the session secret to an ied for subsequent local user validation by the ied. ... Abb Technology Ag

03/05/15 / #20150066402

Power system state estimation using a two-level solution

A power system grid is decomposed into several parts and decomposed state estimation steps are executed separately, on each part, using coordinated feedback regarding a boundary state. The achieved solution is the same that would be achieved with a simultaneous state estimation approach. ... Abb Technology Ag

03/05/15 / #20150066401

State estimation of power systems decomposed into two or more subsystems

A power system grid is decomposed into several parts and decomposed state estimation steps are executed separately, using lagrangian relaxation and blockwise gauss-seidel solution. The achieved solution is the same that would be achieved with a simultaneous state estimation approach. ... Abb Technology Ag

03/05/15 / #20150062833

Mechanical assembly and method to provide form-factor and wire alike adaptation of existing platform hardware modules into new products

An intelligent electronic device (ied) includes a plurality of hardware modules including a pair of analog input modules (aim) modules, a power supply module (psm), and a binary input/output (bio) module. Each module is configured for mounting in a first ied housing that has a first form factor. ... Abb Technology Ag

03/05/15 / #20150062832

U form-factor intelligent electronic device (ied) hardware platform with matching of ied wiring, from a non u form-factor ied hardware platform using adapter structure

A method and apparatus provides an intelligent electronic device (ied) with new hardware modules. Hardware modules are provided that are configured for electrically connecting with connections of a first ied housing that has a first form factor. ... Abb Technology Ag

03/05/15 / #20150061806

Tap changer with an improved drive system

An on-load tap changer is provided having a plurality of modules, each of which is operable to change taps in a winding of a transformer. A transmission shaft is connected to the modules and is operable upon rotation to effectuate tap changes in the windings. ... Abb Technology Ag

03/05/15 / #20150061607

Methods and systems for an integrated electrical generator with hybrid rectifier

An electrical dc generation system is disclosed. According to one aspect, a system for electrical dc generation includes an electrical machine having multiple stator windings and multiple rectifiers for connection to portions of the stator windings. ... Abb Technology Ag

03/05/15 / #20150061606

Methods and systems for electrical dc generation

An electrical dc generation system is disclosed. According to one aspect, a system for electrical dc generation system includes an electrical machine, having a positive output terminal and a negative output terminal, a plurality of stator windings, a plurality of passive rectifiers connected to the plurality of stator windings, the plurality of passive rectifiers being connected in series to form an intermediate bus having a positive terminal and a negative terminal. ... Abb Technology Ag

03/05/15 / #20150061427

Electric machine

An electric machine can include a stator, a rotor frame and a pole arrangement with: plural segment pieces disposed circumferentially around, and fastened to, the rotor frame; permanent magnet pieces positioned on inclined side edges of each segment piece; and plural pole pieces disposed circumferentially around the rotor frame and disposed alternatingly with the segment pieces. The magnet pieces are pressed between inclined side edges of the pole pieces and the inclined side edges of the segment pieces. ... Abb Technology Ag

02/26/15 / #20150057970

Method and device for determining a rotor position of an electronically commutated electric machine

A method is disclosed for determining a rotor position of an electrically excited electrical machine by injecting voltage test signals at a plurality of space vector angles with a fundamental frequency which lies in a frequency range in which there is a difference in admittance in space vector angles; calculating resulting values of an excitation current indicator variable as fourier coefficients of the excitation current resulting from the voltage test signal with reference to the fundamental frequency of the voltage test signal at the corresponding space vector angles; and determining the rotor position on the basis of the profile of the excitation current indicator variable.. . ... Abb Technology Ag

02/19/15 / #20150048623

Method for operating an electric unit for a pumped-storage power plant

A pump-storage power plant, such as an electric unit, for this purpose can include a rotating electric synchronous machine and a frequency converter as well as a method for operating the electric unit. An exemplary method provides that the frequency converter is used to start the turbine and an output of the electric machine is fed directly into the current network after start-up, for example. ... Abb Technology Ag

02/19/15 / #20150047955

Tap changer having an improved vacuum interrupter actuating assembly

An on-load tap changer is provided having a vacuum interrupter actuatable by a shaft. A movable shuttle is connected to an impact mass by springs such that the impact mass tends to follow the shuttle when the shuttle moves. ... Abb Technology Ag

02/19/15 / #20150047954

Tap changer

An on-load tap changer is provided and includes a plurality of modules disposed in an interior space of a tank and arranged in a side-by-side manner. Each module has a bypass switch assembly and a vacuum interrupter assembly mounted to a first side of a board. ... Abb Technology Ag

02/19/15 / #20150047372

Cooling apparatus for switchgear with heat pipe structure having integrated busbar tube

A cooling apparatus is provided for a switchgear. The switchgear has one or more primary contacts constructed and arranged to connect to a terminal of a circuit breaker. ... Abb Technology Ag

02/12/15 / #20150042003

Method for injection molding of thermoplastic pole parts, and mold for producing the same

A method for injection molding of thermoplastic pole parts utilizes a mold to fix at least one vacuum interrupter and contact terminals during a molding process. At least one injection opening or gate for injection of thermoplastic material is formed into the mold. ... Abb Technology Ag

02/12/15 / #20150041179

Pole part for medium voltage use, and method for manufacturing the same

A pole part for medium voltage use, with an insulating coverage made of duroplastic or thermoplastic material, and a method for manufacturing the pole part are provided. To enhance the manufacturing of pole parts, such that the manufactured pole part could be more easily released out of the mold, and additionally that the interface between elements made of different materials are tightly closed, in order to generate reproducible dielectric withstand performance in the manufacture, the transition area between different elements of the pole part are commonly flat in such a way that rounded edges and/or steps are avoided.. ... Abb Technology Ag

02/12/15 / #20150040683

Magnetic-inductive flow meter

The present disclosure relates to a magnetic-inductive flow meter having a measuring tube on which there is fitted a magnetic unit for generating a magnetic field, which is aligned substantially perpendicular to a flow direction of an electrically conductive measuring medium flowing through the measuring tube and whose measurement voltage induced in the measuring medium can be detected by at least two inserted measuring electrodes electrically insulated from the measuring tube. In order to avoid coupling interference voltages into the electrical electrodes, the first and the second electrode leads can be jointly twisted starting from the leadthrough as far as the first electrode, where the first electrode lead is electrically connected to the first electrode, and the second electrode is connected to a short-circuited conductor loop which encompasses the measuring tube and is connected to the second electrode lead at a location of the first electrode.. ... Abb Technology Ag

02/05/15 / #20150039145

Microgrid energy management system and method for controlling operation of a microgrid

A microgrid includes a plurality of distributed energy resources such as controllable distributed electric generators and electrical energy storage devices. A method of controlling operation of the microgrid includes periodically updating a distributed energy resource schedule for the microgrid that includes on/off status of the controllable distributed electric generators and charging/discharging status and rate of the electrical energy storage devices and which satisfies a first control objective for a defined time window, based at least in part on a renewable energy generation and load forecast for the microgrid. ... Abb Technology Ag

02/05/15 / #20150036310

Pressure relief system for switchgear

A compartment of an arc resistant enclosure for an electrical component includes a plurality of wall structures defining an interior space for housing an electrical component. One of the wall structures has aperture structure for permitting pressure and gases to flow there-from and vent from the compartment. ... Abb Technology Ag

02/05/15 / #20150035499

Method for using an electric unit

A power plant, and a method for using an electrical unit therefor are disclosed, wherein, an electrical machine can be connected to a power network via a converter and a block transformer. A method is disclosed for using the electrical unit, wherein the converter disconnects the block transformer from the machine in the event of a malfunction of the block transformer.. ... Abb Technology Ag

02/05/15 / #20150035360

Bi-directional battery converter and balancer for an electric energy storage of a power supply system

A power supply system for supplying a load with electric energy from an electrical network can include at least one power supply module. The power supply module can include a dc link to be supplied from the electrical network; and an inverter connected to the dc link and configured to convert a dc voltage from the dc link into an ac voltage to be supplied to the load. ... Abb Technology Ag

02/05/15 / #20150035285

Electric unit for a pumped-storage power plant

A pumped-storage power plant, such as an electric unit can include a frequency converter and a rotating electric synchronous machine, the machine being provided in a cavern. The frequency converter can include at least two elements which can be used as inverters or as rectifiers according to the operating mode of the machine, for example during the operation of the motor or during the operation of the generator. ... Abb Technology Ag

02/05/15 / #20150034599

High voltage interrupter unit with improved mechanical endurance

A high voltage interrupter unit includes a switching chamber within which at least two electric contact elements of a contact system are arranged to be moved relative to one another. The contact system includes at least one mechanical element which is at least in part not in fixed mechanical connection with either of the two contact elements. ... Abb Technology Ag

01/29/15 / #20150031798

Composite materials for use in high voltage devices

A composite material is disclosed for use in a high-voltage device having a high-voltage electrical conductor, the material containing a polymeric matrix and at least one fiber embedded in the polymeric matrix, the fibers having an average diameter of less than about 500 nm.. . ... Abb Technology Ag

01/29/15 / #20150028853

Arrangement for measuring a current with a current transducer of the rogowski type

An arrangement for measuring a current with a rogowski type current transducer and transducer electronics. The current transducer has a primary conductor winding for carrying the rated current to be measured, and a secondary conductor winding. ... Abb Technology Ag

01/29/15 / #20150028852

Arrangement for measuring a current with a current transducer of the rogowski type

An arrangement for measuring a current with a rogowski type current transducer and transducer electronics. The current transducer has a primary conductor winding for carrying the rated current to be measured, and a secondary conductor winding. ... Abb Technology Ag

01/29/15 / #20150028850

Method for calibrating a current transducer of the rogowski type

An exemplary method for calibrating a current transducer of the rogowski type including a rogowski coil sensor and an electronic device is performed by determining and correcting the sensitivity of the current transducer of the rogowski type through the measurement of the self-inductance lrcct of the coil using the electronic device.. . ... Abb Technology Ag

01/22/15 / #20150026635

Method for generating control-code by a control-code-diagram

A method for generating control-code, where at least one function-block and/or function-block-connection is specified. The method includes providing an indexed database containing data of at least part of an existing control-diagram with function-blocks and function block-connections; displaying a diagram-entry-field for specifying the control-diagram by defining the at least one function-block and/or the function block-connection and receiving a user input thereof; comparing received user input with the data of the indexed database to identify at least one similar part of the at least one control-diagram; displaying an assisting-menu with the at least one similar part of the at least one control-diagram; receiving an acceptance or rejection of the at least one similar part of the at least one control-diagram; inserting, in case of acceptance, the at least one similar part of the at least one control-diagram from the indexed database in the diagram-entry-field; and translating the completed control-diagram in the control-code.. ... Abb Technology Ag

01/22/15 / #20150022529

Recording device

The disclosure relates to a recording device for visualizing measured values and parameters of field devices in automation devices, having at least one analogue input for directly connecting at least one wired field device and having an ethernet interface for communicating with a superordinate device. A graphical display is provided for indications and an exchangeable storage unit is provided for retrospectively recording measured values and parameters of field devices. ... Abb Technology Ag

01/22/15 / #20150022033

Method for manufacturing a rotor of a synchronous reluctance motor, a rotor of a synchronous reluctance motor, and a synchronous reluctance motor

The present disclosure relates to rotating electric machines which may be used for industrial applications, to a method for manufacturing a rotor of a synchronous reluctance motor, a rotor of a synchronous reluctance motor, and a synchronous reluctance motor. A rotor of a synchronous reluctance motor according to the present disclosure has a cylindrical rotor body part casted from a superparamagnetic material, and ferromagnetic flux guides arranged inside the casted cylindrical rotor body part. ... Abb Technology Ag

01/15/15 / #20150017842

Modular field device connection unit

An exemplary field device connection unit includes a base plate on which a plurality of connection elements for connection of connecting lines with field devices and a plurality of module slots for receiving in each case one plug-in unit of different plug-in unit types. To avoid erroneous configurations, an identical type coding is assigned to the plug-in units of the same plug-in unit type, which identical type coding is formed by a plurality of wedge-shaped code elements which are anchored rigidly in the plug-in unit, and a plurality of wedge-shaped code elements are assigned to each module slot, which wedge-shaped code elements are mounted moveably about a rotary spindle between two opposite stops and whose wedge tips are oriented, in an initial rest position, centrally between the stops.. ... Abb Technology Ag

01/15/15 / #20150016060

Apparatus and method for cooling a transformer having a non-linear core

A three-phase non-linear transformer is cooled by first (30) and second fans (40). The first fan (30) is attached to the first core clamps (12) of the transformer using a first mounting structure (15). ... Abb Technology Ag

01/15/15 / #20150015355

Oil-filled transformer switching frame

An oil-filled transformer switching frame is disclosed which includes at least one longitudinal channel element that is essentially formed by a wall that is curved in a u-shaped manner, for receiving in its inner region stranded conductors of an oil tank of an oil transformer. The wall of the channel element can include a first layer of mechanically strong, planar insulating material and a second layer of mechanically strong, planar insulating material that is adjacent to and fundamentally parallel to said first layer, the first layer and the second layer being connected to and spaced apart by a third layer of a mechanically strong, corrugated insulating material having hollow spaces that can be flooded with a fluid by way of lateral edges.. ... Abb Technology Ag

01/15/15 / #20150015302

Islanding detection reliability in electricity distribution network

A device for detecting an islanding condition in an electricity distribution network. The device comprises means for concurrently monitoring an islanding condition and a network event condition in the electricity distribution network, means for detecting an islanding condition in the power system network, and means for determining on the validity of detection of the islanding condition based on whether there is an associated network event with the detected islanding condition.. ... Abb Technology Ag

01/15/15 / #20150015301

Islanding detection in electricity distribution network

A device is disclosed for detecting an islanding condition in an electricity distribution network, by receiving a signal of the electricity distribution network, and determining an islanding condition based on the received signal. The device determines a voltage total harmonic distortion change parameter for each phase component in the received signal, determines a voltage unbalance change parameter in the received signal, compares each of the voltage total harmonic distortion change parameters and the voltage unbalance change parameter to respective triggering conditions, and concludes an islanding condition to have been detected when the voltage total harmonic distortion change parameter for each phase component of the signal and the voltage unbalance change parameter fulfil their respective triggering conditions.. ... Abb Technology Ag

01/15/15 / #20150014409

Servicing system for a field device

An exemplary servicing system for a field device in an automation engineering installation. The servicing system is equipped with at least one sensor for converting a physical variable into an electrical variable and/or with at least one actuator for converting an electrical variable into a physical variable and also with a display device for presenting graphical characters. ... Abb Technology Ag

01/08/15 / #20150008903

Current sensing device, and method of manufacturing the same

A current sensing device and method of manufacturing a sensing device are disclosed. The current sensing device can include at least two current sensors, implemented in an openable ring-shaped support, and wherein the at least two current sensors can be arranged in a chain-like arrangement on the ring-shaped support, and wherein the at least two current sensors are electrically connected in series.. ... Abb Technology Ag








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