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Abb Technology Oy patents


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

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


Power electronics module

A power electronics module and a method of manufacturing a power electronics module and a base plate. The power electronics module comprising at least one power electronics component, wherein the power electronics module comprises a base plate for transferring heat generated by the at least one power electronics component to a cooling device, the base plate comprising a layered structure having a first copper layer, a second copper layer and a carbon based layer between the first and second copper layers.. ... Abb Technology Oy

Remote live support tool

To facilitate remote support, a live remote support tool providing versatile information exchange between an apparatus at a site and another apparatus in a remote support site is disclosed.. . ... Abb Technology Oy

Device network status information

To provide status information on devices in a device network, the devices are configured to broadcast status information, both own and received, and store in addition to own status information also received status information of other devices.. . ... Abb Technology Oy

Power converter

A method is provided for connecting a main converter, e.g. For use in a power plant for regenerative energy having a generator, to a power grid. ... Abb Technology Oy

Current conductor structure with frequency-dependent resistance

A current conductor structure with a frequency-dependent resistance. The current conductor structure comprises a first current conductor and a second current conductor connected in parallel. ... Abb Technology Oy

Electrical device

An electrical device comprising a frame, a first wall connected to the frame, a power converter adapted to convert electric energy from one form to another, the power converter comprising at least one power converter element, and a controller adapted to control the power converter, the controller comprising at least one controller element. The first wall is pivotally connected to the frame about a first pivoting axis such that the first wall is adapted to pivot between a first position in which the first wall is adapted to protect the at least one controller element, and a second position which is adapted to provide an access to the at least one controller element for maintenance and repair.. ... Abb Technology Oy

Method for indicating a need for maintenance of an electric drive apparatus, and an electric drive apparatus

The present invention relates to the field of testing and maintenance of electric automation devices, such as testing and maintenance of electric drive apparatuses and to the field of electric drives used for industrial applications, and more particularly to a method for indicating a need for maintenance of an electric drive apparatus and to an electric drive apparatus. An electric drive apparatus of an installation consisting of two or more electric drive apparatuses according to the present invention has a calculation unit for collecting maintenance data relevant to the maintenance of said electric drive apparatus, a maintenance need notification unit for determining a need for maintenance of said electric drive apparatus by analysing the collected maintenance data together with applicable values set for a maintenance scheme of said electric drive apparatus, a communication unit comprising a transmitter for sending information of the need for maintenance to other electric drive apparatuses of said installation, and a receiver for receiving information on the need for maintenance of said other electric drive apparatuses a maintenance alarm synchronization unit for generating a synchronized maintenance alarm of two or more electric drive apparatuses, and an alarm indication unit for indicating said synchronized maintenance alarm to the user.. ... Abb Technology Oy

Pairing procedure

To automate establishment of an ad hoc connection between a user apparatus and a device, username-password pairs and identifying information-code pairs are maintained in a database server, and the user apparatus sends an inquiry comprising identifying information of the device and a username and a password of a user of the user apparatus, and receives in a response a code for establishing the ad hoc connection.. . ... Abb Technology Oy

Method for monitoring change in capacitance in electric system and electric sytem

A method for monitoring a change in a capacitance in an electric system, and an electric system comprising a multilevel inverter and at least two capacitances connected in series between a negative dc pole and a positive dc pole of the inverter, wherein the connection point between the capacitances is connected to one of the at least one middle dc pole of the inverter, and a controller configured to provide by the inverter an ac current component to one of the at least one middle dc pole of the inverter, which ac current component is distributed between the two capacitances connected to the middle dc pole, and monitor resulting ac voltage components in the two capacitances, and determine on the basis of a difference between the monitored ac voltage components a change in at least one of the two capacitances.. . ... Abb Technology Oy

Method and apparatus for estimating an angle offset of an angle sensor

The present disclosure describes a two-stage method for estimating an angle offset of an angle sensor in a system comprising a permanent-magnet synchronous motor. An initial value for the estimated angle offset is first determined with a short circuit test. ... Abb Technology Oy

Optimisation of industrial device parameters in a communications system

A method comprises storing, in an automated power conversion device, operational information on the usage of the automated power conversion device, and information on user-adjustable parameter settings of the automated power conversion device. A local terminal device receives the operational information and the information on the user-adjustable parameter settings from the automated power conversion device, and forwards said information to a remote network node via a communications network. ... Abb Technology Oy

Communicating industrial device data in a communications system

Automated power conversion device operation and status data is received (205) in a local terminal device (105). The operation and status data is forwarded (206) from the local device (105) to a remote device (109) via a communications network. ... Abb Technology Oy

Strong application information on an automation device

A computerized method is disclosed in which an automation device stores (201), in a parameter storage, application-related parameters, each parameter uniquely identifying a specific automation device application. The automation device also stores (202), in an application repository, automation device applications as separate computer program entities. ... Abb Technology Oy

Load/unload control method for compressor system

The present disclosure describes a load/unload control method for a compressor system with a rotating compressor connected to a pressure vessel. In the method, the present operating state can be monitored on the basis of a monitored/estimated electrical quantity of the compressor system, the method comprises an identification phase and an operational phase. ... Abb Technology Oy

08/03/17 / #20170218964

Control method for compressor system

The present disclosure describes a control method for a compressor system that comprises a compressor connected to a pressure vessel and a frequency converter controlling an electric motor of the compressor. In the method, the present operating state is estimated on the basis of a monitored/estimated electrical quantity of the compressor system. ... Abb Technology Oy

07/20/17 / #20170203940

Method for operating winch, and winch

A method for operating a winch and a winch comprising a winch drum (20) for spooling a spoolable medium (10) for mooring a vessel, and a winch drive (30, 40, 41) configured to drive the winch drum (20), wherein, during the driving of the winch drum (20), at least when a monitored tension of the spoolable medium (10) is between a second upper tension threshold and a second lower tension threshold, an absolute value of the driving speed of the winch drum is configured to have a value that is proportional to an absolute value of a difference between the monitored tension of the spoolable medium and a predetermined tension set point.. . ... Abb Technology Oy

06/22/17 / #20170181319

Cooling apparatus

The invention relates to a cooling apparatus, comprising a first evaporator section with first channels, and a first condenser section with second channels. In order to provide adequate cooling for electric components the cooling apparatus further comprises a second evaporator section with third channels, and a base plate with a first surface for receiving a heat load from electric components. ... Abb Technology Oy

06/15/17 / #20170170817

Driver circuit

A gate driver circuit and a method of operating a gate driver circuit. The gate driver circuit comprising a high auxiliary voltage rail and a low auxiliary voltage rail for receiving high auxiliary voltage and low auxiliary voltage, output stage connected to the auxiliary voltage rails and comprising a control input and an output terminal for providing an output voltage of the gate driver, plurality of series connections of controllable switches and resistive components, wherein a first part of the plurality of series connections is connected between the high auxiliary voltage rail and control input of the output stage, and a second part of the plurality of series connections is connected between the low auxiliary voltage rail and control input of the output stage, and a control circuit for controlling the controllable switches for providing a control voltage and a control current to the control input of the output stage.. ... Abb Technology Oy

06/15/17 / #20170170742

Charging of split dc links of a converter system

A converter system comprises two phase modules, each phase module comprising a first converter leg and a second converter leg interconnected with a dc link, and a charging transformer for charging the dc link. The dc link comprises two capacitors connected in series between a positive point, a middle point and a negative point, each converter leg adapted for interconnecting an output with the positive point, the middle point or the negative point of the dc link. ... Abb Technology Oy

06/15/17 / #20170168473

Signalling of specification information on an industrial device

A method comprises a network apparatus requesting and receiving, from an industrial automation device via a communications network, identification information on the industrial automation device regarding at least one characteristic of the industrial automation device. Based on the receiving, art interaction specification is retrieved regarding the industrial automation device from a database, the interaction specification indicating at least one protocol for interaction between the network apparatus and the industrial automation device. ... Abb Technology Oy

06/08/17 / #20170163202

Method and apparatus for testing safe torque off circuitry in electric drives

A method and apparatus for testing the function of a safe torque off (sto) feature for an electric drive. After activation of the sto feature, predefined switching commands are transmitted to power switches of the electric drive. ... Abb Technology Oy

06/01/17 / #20170156240

Cooled power electronic assembly

A power electronic assembly comprising a power electronic module incorporating multiple of semiconductor power electronic switch components, the power electronic module comprising a base plate, a vapour chamber having one or more condenser pipes in fluid communication with the vapour chamber, the vapour chamber and the one or more condenser pipes forming a closed volume and enclosing a working fluid, a mounting plate having an indent for receiving the vapour chamber and one or more apertures for receiving the one or more condenser pipes, wherein the power electronic module is attached to the mounting plate to transfer heat from the base plate of the power electronic module to the vapour chamber.. . ... Abb Technology Oy

06/01/17 / #20170155385

Control circuit with feedback

A gate drive circuit adapted to control a power semiconductor component, the gate drive circuit comprising a gate driver connectable to a positive auxiliary voltage and to a negative auxiliary voltage, the gate drive circuit comprising a feedback circuit having an inductive coupling element for providing a feedback signal, wherein one end of the feedback circuit having the inductive coupling element is connected to a known reference potential and the other end of the feedback circuit is connected to the gate driver, and the inductive coupling element is inductively coupled to the main current path of the power semiconductor component for providing feedback signal to the gate driver based on the change rate of the current of the power semiconductor component for limiting the change rate of the current of the power semiconductor component.. . ... Abb Technology Oy

05/18/17 / #20170142563

Remote user support tool

To provide as data rate independent user experience as possible for remote service, function descriptions are associated with identifiers, and a function plan transmitted between a service center and a user apparatus comprises the identifiers but the function plan outputted in the user apparatus comprises the function descriptions.. . ... Abb Technology Oy

05/04/17 / #20170127262

Indicating a drive status in communications

An automated power conversion device obtains information on an operational status of the automated power conversion device. Based on the obtaining, the automated power conversion device causes wireless transmission of advertising messages by using a non-connected signalling mode, such that the advertising messages comprise the information on the operational status of the automated power conversion device and are receivable by at least one terminal device of a communications system when the terminal device is located within the listening range of the connectionless signalling mode. ... Abb Technology Oy

05/04/17 / #20170125321

Power electronic assembly

A method of producing a power electronic assembly and a power electronic assembly comprising a power electronic module incorporating multiple of semiconductor power electronic switch components, the power electronic module comprising a base plate with a bottom surface, the power electronic assembly comprises further a cooling arrangement for cooling the power electronic module, the cooling arrangement comprising a cooling surface adapted to be attached against the bottom surface of the base plate of the power electronic module, wherein the power electronic assembly comprises further a thermal interface material arranged between the bottom surface of the base plate of the power electronic module and the cooling surface of the cooling arrangement to transfer heat from the power electronic module to the cooling arrangement, the thermal interface material comprises a metal foil and a solid lubricant coating.. . ... Abb Technology Oy

04/27/17 / #20170118868

Cooling element for electronic components and electronic device

A cooling element comprising a cooling body, the cooling body comprising a first surface and a second surface, the first surface and the second surface being on the opposing sides of the body and the distance between the first and second surfaces defining the height of the cooling body, multiple of channels for cooling liquid arranged inside the cooling body, the channels extending in a longitudinal direction of the cooling body, wherein the channels are arranged in two layers in the direction of the height of the cooling body inside the cooling body and the cooling element is adapted to hold electronic components on the first surface and on the second surface for cooling electronic components on both surfaces.. . ... Abb Technology Oy

03/30/17 / #20170093268

Method for data transfer of electric device configuration, and electric device configuration

A method for data transfer of an electric device configuration, the electric device configuration comprising a plurality of converter devices including a first converter device and a second converter device, each of the converter devices comprising a first converter unit having a first power connection and a second power connection, the first power connection arranged to supply direct current power to the first converter unit and the second power connection arranged to supply electric power from the first converter unit, and the first power connections of the first converter units being electrically connected to one another the method comprises transmitting information by the first converter device by causing changes in the voltage of the first power connection of the first converter unit of the first converter device, and receiving information by the second converter device based on identifying the changes in the voltage of the first power connection of the first converter unit of the second converter device.. . ... Abb Technology Oy

03/02/17 / #20170063247

Modulation method for controlling at least two parallel-connected, multi-phase power converters

The present disclosure describes a modulation method for controlling at least two parallel-connected, multi-phase power converters. The method comprises generating synchronized switching sequences for the power converters on the basis of a common modulation reference, wherein each synchronized switching sequence comprises a first half sequence followed by a second half sequence, and wherein, for at least one of the power converters, the first half sequence is a rising-edge half sequence rising-edge half sequence and the second half sequence is a falling-edge half sequence, and, for at least one other of the power converters, the first half sequence is a falling-edge half sequence and the second half sequence is a rising-edge half sequence.. ... Abb Technology Oy

03/02/17 / #20170059253

Arrangement for cooling a closed cabinet

An arrangement for cooling a closed, sealed cabinet (1), comprising a thermosiphon heat exchanger (2) disposed inside the cabinet (1) and having an evaporator (3) and a condenser (4) for circulating a working fluid between the evaporator (3) and the condenser (4) in a closed loop, wherein the working fluid evaporated in the evaporator (3) by heat flows to the condenser (4) for cooling and the condensed working fluid flows back to the evaporator (3). The evaporator (3) is exposed to hot air flow generated inside the cabinet (1), and a heat transfer element (5) is attached to the condenser (3) in a sealed manner through a cabinet wall (6) for transferring heat to the outside of the cabinet (1).. ... Abb Technology Oy

02/16/17 / #20170047856

Discharging dc link capacitors in an npc converter

A method is disclosed in one embodiment for discharging dc link capacitors. In one form the method includes switching a first half bridge of a first converter unit to a positive state, in which its ac output is connected with its positive dc output, and simultaneously switching a second half bridge of a second converter unit to a negative state, in which its ac output is connected with its negative dc output, such that a dc ink capacitor of the first converter unit and a dc link capacitor of the second converter unit are interconnected oppositely to each other arid discharged via the electrical filter.. ... Abb Technology Oy

01/19/17 / #20170016447

Method and apparatus in connection with a screw compressor

The screw compressor with a variable rotational speed of the screw compressor, the rotational speed of the screw compressor having a speed profile in which the rotational speed is changed stepwise such that between stepwise changes the rotational speed of the screw compressor is kept substantially constant for a time period, repeating the speed profile until the pressure of the pressure vessel reaches a set pressure value, determining pressure of the pressure vessel, power consumption of the screw compressor drive and mass flow rate during the pressurising when the rotational speed of the screw compressor is kept substantially constant, calculating energy efficiency of the screw compressor drive as a function of pressure of the pressure vessel and rotational speed of the screw compressor on the on the basis of the determined pressure of the pressure vessel and power consumption of the screw compressor drive.. . ... Abb Technology Oy

01/12/17 / #20170010735

Touchscreen frequency converter and drive system

There is provided displaying a user interface during a power outage. A touchscreen comprises a lower layer comprising an electronic paper display and an upper layer comprising a transparent display. ... Abb Technology Oy

01/05/17 / #20170003083

Cooling apparatus

The invention relates to a cooling apparatus comprising a base plate for receiving a heat load from an electric component, an evaporator, a condenser, and a connecting piece for passing fluid from the evaporator to the condenser. In order to efficiently fill the evaporator, the cooling apparatus is provided with a pump for pumping fluid from the condenser to the evaporator.. ... Abb Technology Oy








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