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Abb Technology Ltd patents


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

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


Resonant converters including flying capacitors

Unique systems, methods, techniques and apparatuses of zero-voltage transition pulse width modulation resonant converters are disclosed. One exemplary embodiment is a zero-voltage transition pwm resonant converter comprising a dc bus, a first switching device, a second switching device, a resonant tank circuit, an auxiliary circuit having a flying capacitor and a plurality of auxiliary switching devices, and a controller. ... Abb Technology Ltd

Resonant converters with variable inductor

Unique systems, methods, techniques and apparatuses for a zvt zct resonant converter with a variable resonant tank are disclosed. One exemplary embodiment is a system comprising a bidirectional resonant converter comprising an input/output terminal, a switching device coupled with the input/output terminal, a resonant circuit coupled with the switching device and including a variable inductor, an output/input terminal coupled with the resonant circuit, and a dc biasing circuit operatively coupled with the variable inductor. ... Abb Technology Ltd

Pressure plate with phase change material

A pressure plate for a friction coupling such as a clutch or brake system is disclosed in the present application. The pressure plate includes one or more pockets with a phase change material disposed therein. ... Abb Technology Ltd

System and method for advising wireless computer networks on inter-network interferences

The present invention provides a system and method for advising wireless computer networks on inter-network interferences during their life time. The method of the present invention initially observes initial channel utilization profiles along with corresponding time-slots of dynamic network elements and network characteristics of a first network and stores as historical channel utilization profiles. ... Abb Technology Ltd

Participation factor based method for resynchronization of microgrids

A microgrid is re-synchronized to a main grid or substation by determining a degree of bus angle or frequency mismatch and bus voltage mismatch between the microgrid and the main grid or substation prior to re-synchronization, determining an amount of power adjustment needed to reduce the bus angle or frequency mismatch and bus voltage mismatch to below respective predetermined thresholds, determining at least one participation factor for each microgrid bus, each participation factor indicating an amount of influence power injection by the corresponding bus has on the bus angle or frequency mismatch or on the voltage mismatch, allocating the amount of power adjustment to the microgrid buses in proportion to the participation factors assigned to the buses, and re-synchronizing the microgrid to the main grid or substation responsive to the bus angle or frequency mismatch and bus voltage mismatch satisfying the respective predetermined thresholds.. . ... Abb Technology Ltd

System and method for determining dynamic motion data in robot trajectory

A simulation system to determine an optimal trajectory path for a robot with an attached implement includes a trajectory simulator which provides a simulated trajectory path for an implement, an implement model database which comprises motion data of the implement, and a logger that associates a time stamp of the implement's motion during the simulated trajectory path to generate logger data. A profile is determined by the logger data received from the logger which identifies implement motion that exceeds predetermined thresholds, and a tuner adjusts the simulated trajectory path so as to reduce the number of times predetermined thresholds are exceeded.. ... Abb Technology Ltd

High impedance fault location in dc distribution systems

Unique systems, methods, techniques and apparatuses of fault location in dc power distribution systems are disclosed. One exemplary embodiment is a dc power distribution system comprising at least one dc power distribution network and at least two protective devices operatively coupled to the dc power distribution network. ... Abb Technology Ltd

Method and arrangement for improving heat transfer for tundish plasma heating

An arrangement for heat transfer to a melt in a tundish in a continuous casting process, wherein the tundish includes at least one outlet and an inlet, the arrangement including a heating chamber, a plasma heating apparatus including a plasma torch positioned inside the heating chamber, wherein the plasma heating apparatus is mounted on an arm and arranged to operate through a hole in the heating chamber with a distance to the melt and an electromagnetic stirrer placed outside of the heating chamber and arranged to electromagnetically stir the melt. The heating chamber further includes a pair of weirs installed at an upper part of the heating chamber and a pair of dams installed at a lower part of the heating chamber and the electromagnetic stirrer is arranged to electromagnetically stir the melt in a region of the heating chamber, wherein the region is enclosed by the weirs and dams.. ... Abb Technology Ltd

Fast utility disconnect switch for single conversion ups

One embodiment is a uninterruptable power supply (ups) system including a utility disconnect switch (uds) coupled with an input line and an output line and structured to selectably connect and disconnect the input line and the output line. The uds includes a semiconductor switching device connected between the input line and the output line, a surge arrester coupled in parallel with the semiconductor switching device, a dynamic voltage balancing device and a static voltage balancing device which are coupled in parallel with the semiconductor switching device.. ... Abb Technology Ltd

Electrical system with arc fault detection

A unique electrical system includes a first electrical component and a second electrical component. A conductor electrically couples the first electrical component with the second electrical component. ... Abb Technology Ltd

Pv system having distributed dc-dc converters

A solar energy field having one or more solar energy assemblies is provided. The solar energy assemblies can each have a dc-dc converter which when used with a central converter maintains line voltage between the two below a regulatory threshold such as 80 volts. ... Abb Technology Ltd

Power distribution system for off-shore natural resource platforms

A power distribution system for off-shore natural resource platforms includes an off-shore medium voltage direct current (mvdc) power bus. The mvdc power bus includes multiple power bus segments, each of which may be connected to one or more other power bus segments via a corresponding circuit breaker. ... Abb Technology Ltd

Ultracap-based solutions for ride-through of synchronous machine drives

A synchronous machine system comprising a synchronous motor including a stator, stator winding, rotor, and field winding; an ac power supply circuit structured to transmit current to or from the stator winding of the synchronous motor at a controlled frequency and transmit current to or from a power source at a controlled frequency; a dc exciter unit structured to receive power from a power source, convert the received power to dc power at a desired voltage, and supply the converted power across a dc bus to the field winding of the synchronous motor; and an energy storage circuit coupled to the dc bus of the dc exciter unit having at least one ultracapacitor, and structured to receive power from a power source, to charge the ultracapacitor, and to provide power to the field winding of the synchronous motor following a power failure.. . ... Abb Technology Ltd

Control of electrically excited synchronous machines drives for ride through and controlled braking operations

One exemplary embodiment is method of operating an electrically excited synchronous machine (eesm) system. The system includes a converter operatively coupled with one or more stator windings, an exciter operatively coupled with one or more field windings, a controller operatively coupled with the converter and the exciter, and a power supply operatively coupled with the converter and the exciter. ... Abb Technology Ltd

03/02/17 / #20170063200

Fluid-cooled stator assemblies having multilayer and multifunctional tubing

A fluid-cooled stator assembly for electrical machines. The stator assembly may include a stator core having a back iron portion and a plurality of stator teeth. ... Abb Technology Ltd

03/02/17 / #20170063093

Zero net energy dc datacenter power distribution architecture

Unique systems, methods, techniques, and apparatuses of datacenter power supply systems are disclosed. One exemplary embodiment is a datacenter power supply system comprising an ac power bus structured to selectably receive ac power from an ac power grid and a ac generator and structured to provide ac power to one or more ac datacenter loads and an ac/dc converter, a dc power generation system structured to provide dc power to a dc/dc converter, a dc power bus structured to selectably receive power from the ac/dc converter and the dc/dc converter and to provide dc power to a plurality of dc datacenter loads, and an electronic control system structured to selectably control the datacenter power supply system to operate in plurality of modes.. ... Abb Technology Ltd

03/02/17 / #20170063084

Distributed utility resource planning and forecast

Systems, apparatus, and methods are disclosed for managing and forecasting energy usage. A distributed forecast device is located remote from a central server. ... Abb Technology Ltd

03/02/17 / #20170063055

System, method and device for racking circuit breakers

Systems, devices and methods are disclosed for racking circuit breakers in a switchgear cabinet via a drive mechanism that is flexibly linked to a racking mechanism associated with each circuit breaker. The drive mechanism can be connected for racking multiple circuit breakers without requiring re-positioning of the drive mechanism.. ... Abb Technology Ltd

02/23/17 / #20170054393

Reducing peak fault output current in a dc power generation system

Technologies for reducing peak fault output current in a dc power generation system include a generator having a reduced damper winding and a controller to control a rectifier array to generate a dc power output. In some embodiments, the generator may have no damper windings, may have damper windings including a reduced number of damper bars, and/or may have damper windings having separated end ring mounts for each damper bar. ... Abb Technology Ltd

02/23/17 / #20170054358

System for converting ac electrical power to dc electrical power and methods

A system includes a first dc rail and a second dc rail, and a rectifier coupled with the first and second dc rails. A multilevel converter is also coupled with the dc rails and operable to limit input current harmonics to the rectifier. ... Abb Technology Ltd

02/16/17 / #20170045924

Electrically powered computer system and power supply system for same

An uninterruptible power supply system includes an ac input interface and a dc output interface, and a plurality of power supply paths coupled between the ac and dc interfaces. A first one of the power supply paths has a lower component count, whereas a second one of the power supply paths has a higher component count. ... Abb Technology Ltd

02/16/17 / #20170045035

Dc output wind turbine with power dissipation

A wind turbine is disclosed having a generator and rectifier and structured to provide direct current power that in one form is medium voltage direct current (mvdc). The wind turbine includes a crowbar circuit arranged to protect from a condition such as an overvoltage. ... Abb Technology Ltd

02/09/17 / #20170040778

Gasket arrangement for withstanding internal arc in a switchgear enclosure

A switchgear enclosure has a case with a front face that surrounds an opening in the case. A flange extends from the front face and has a first surface adjacent to the opening and a second, opposing surface. ... Abb Technology Ltd

02/02/17 / #20170033495

Direct current socket with direct current arc protection

Technologies for providing dc arc protection in a dc socket include an electromagnet positioned in the dc socket configured to produce a magnetic field. The electromagnet is positioned to be adjacent to a contact region between one or more supply terminals of a dc socket and one or more prongs of a dc plug. ... Abb Technology Ltd

01/05/17 / #20170006209

Technologies for pan tilt unit calibration

Technologies for calibrating a pan tilt unit with a robot include a robot controller to move a camera of the pan tilt unit about a first rotational axis of the pan tilt unit to at least three different first axis positions. The robot controller records a first set of positions of a monitored component of the robot in a frame of reference of the robot and a position of the camera in a frame of reference of the pan tilt unit during a period in which the monitored component is within a field of view of the camera for each of the at least three different first axis positions. ... Abb Technology Ltd








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