Patents by Inventor Robert Roesner
Robert Roesner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11532600Abstract: A half bridge power module (1) comprising a substrate (2) comprising an inner load track (11), two intermediate load tracks (12, 14) and two outer load tracks (10,13), wherein an external terminal is mounted on one of the intermediate load tracks (12, 14), an external terminal (3, 4) is mounted on one of the outer load tracks (10, 13) and an external terminal (5) is mounted on the inner load track (11); wherein semiconductor switches (101, 12, 105, 106) are mounted on the outer load tracks (10, 13) and are electrically connected to the intermediate load track (12); and semiconductor switches (103, 104, 107, 108) are mounted on the intermediate load tracks (12, 14) and are electrically connected to the inner load track (11).Type: GrantFiled: May 14, 2020Date of Patent: December 20, 2022Assignee: Danfoss Silicon Power GmbHInventors: Alvaro Jorge Mari Curbelo, Tobias Schuetz, Robert Roesner
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Publication number: 20220344310Abstract: A half bridge power module (1) comprising a substrate (2) comprising an inner load track (11), two intermediate load tracks (12, 14) and two outer load tracks (10,13), wherein an external terminal is mounted on one of the intermediate load tracks (12, 14), an external terminal (3, 4) is mounted on one of the outer load tracks (10, 13) and an external terminal (5) is mounted on the inner load track (11); wherein semiconductor switches (101, 12, 105, 106) are mounted on the outer load tracks (10, 13) and are electrically connected to the intermediate load track (12); and semiconductor switches (103, 104, 107, 108) are mounted on the intermediate load tracks (12, 14) and are electrically connected to the inner load track (11).Type: ApplicationFiled: July 10, 2022Publication date: October 27, 2022Inventors: Alvaro Jorge Mari Curbelo, Tobias Schuetz, Robert Roesner
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Publication number: 20220216157Abstract: A power module (1) providing a half bridge, the power module including: at least one substrate (2) including an inner load track (3), two intermediate load tracks (4) and two outer load tracks (5), each of which load tracks is elongated and extends substantially across the at least one substrate (2) in a first direction (6); wherein the two intermediate load tracks (4) are arranged adjacent to the inner load track (3), and each outer load track (5) is arranged on the opposite side of one of the two intermediate load tracks (4) with respect to a second direction (7) substantially orthogonal to the first direction (6).Type: ApplicationFiled: April 22, 2020Publication date: July 7, 2022Inventors: Alvaro Jorge Mari Curbelo, Tobias Schütz, Robert Rösner
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Patent number: 11025083Abstract: The present disclosure is directed to an energy storage system including a power source and a power converter coupled to the power source. The power converter is configured to output power suitable for consumption in a utility grid. The energy storage system also includes an energy storage device configured to receive the power output from the power converter and a charge discharge converter coupled between the power converter and the energy storage device. The charge discharge converter is configured to control at least one of charging or discharging the energy storage device. Furthermore, the energy storage device includes a transformer coupled between the charge discharge converter and the power converter.Type: GrantFiled: April 24, 2018Date of Patent: June 1, 2021Assignee: General Electric CompanyInventors: Parag Rameshchandra Dharmadhikari, Robert Roesner
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Publication number: 20200365564Abstract: A half bridge power module (1) comprising a substrate (2) comprising an inner load track (11), two intermediate load tracks (12, 14) and two outer load tracks (10,13), wherein an external terminal is mounted on one of the intermediate load tracks (12, 14), an external terminal (3, 4) is mounted on one of the outer load tracks (10, 13) and an external terminal (5) is mounted on the inner load track (11); wherein semiconductor switches (101, 12, 105, 106) are mounted on the outer load tracks (10, 13) and are electrically connected to the intermediate load track (12); and semiconductor switches (103, 104, 107, 108) are mounted on the intermediate load tracks (12, 14) and are electrically connected to the inner load track (11).Type: ApplicationFiled: May 14, 2020Publication date: November 19, 2020Inventors: Alvaro Jorge Mari Curbelo, Tobias Schuetz, Robert Roesner
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Patent number: 10519933Abstract: Systems and methods for operating an energy storage system in a wind turbine system are provided. A wind turbine system can include a wind turbine, a power conversion system operably coupled to the wind turbine and an AC line bus, and an energy storage system coupled to the AC line bus. The energy storage system can include a transformer, a power converter, and an energy storage device and can be configured to store and provide power generated by the wind turbine. The method can include operating the wind turbine system to generate power, determining one or more operating parameters for the wind turbine system, determining an operating mode based on the one or more operating parameters, and controlling the wind turbine system based at least in part on the operating mode. Controlling the wind turbine can control a power flow into or out of the energy storage system.Type: GrantFiled: April 24, 2017Date of Patent: December 31, 2019Assignee: General Electric CompanyInventors: Parag Rameshchandra Dharmadhikari, Robert Roesner
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Patent number: 10523088Abstract: Systems and methods for operating an energy storage system in a doubly fed induction generator wind turbine system are provided. An energy storage system can include a transformer configured to transform AC power from a first voltage to AC power at a second voltage and a bi-directional AC to DC power converter coupled to the transformer. The bi-directional AC to DC power converter can be configured to convert the AC power at the second voltage to a DC power. The energy storage system can further include an energy storage device coupled to the bi-directional AC to DC power converter. The energy storage system can be configured to receive power generated by a rotor of the DFIG via an AC line bus. The energy storage device can be configured to store the power received by the energy storage system.Type: GrantFiled: April 24, 2017Date of Patent: December 31, 2019Assignee: General Electric CompanyInventors: Parag Rameshchandra Dharmadhikari, Robert Roesner
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Patent number: 10463863Abstract: A feedthrough includes a first printed circuit board, a first flexible conductive element coupled to and extending from an edge of the first printed circuit board, a second printed circuit board, and a second flexible conductive element coupled to and extending from an edge of the second printed circuit board.Type: GrantFiled: July 28, 2017Date of Patent: November 5, 2019Assignee: General Electric CompanyInventors: Tobias Schuetz, Robert Roesner
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Publication number: 20190326773Abstract: The present disclosure is directed to an energy storage system including a power source and a power converter coupled to the power source. The power converter is configured to output power suitable for consumption in a utility grid. The energy storage system also includes an energy storage device configured to receive the power output from the power converter and a charge discharge converter coupled between the power converter and the energy storage device. The charge discharge converter is configured to control at least one of charging or discharging the energy storage device. Furthermore, the energy storage device includes a transformer coupled between the charge discharge converter and the power converter.Type: ApplicationFiled: April 24, 2018Publication date: October 24, 2019Inventors: Parag Rameshchandra Dharmadhikari, Robert Roesner
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Publication number: 20180309318Abstract: Systems and methods for operating an energy storage system in a doubly fed induction generator wind turbine system are provided. An energy storage system can include a transformer configured to transform AC power from a first voltage to AC power at a second voltage and a bi-directional AC to DC power converter coupled to the transformer. The bi-directional AC to DC power converter can be configured to convert the AC power at the second voltage to a DC power. The energy storage system can further include an energy storage device coupled to the bi-directional AC to DC power converter. The energy storage system can be configured to receive power generated by a rotor of the DFIG via an AC line bus. The energy storage device can be configured to store the power received by the energy storage system.Type: ApplicationFiled: April 24, 2017Publication date: October 25, 2018Inventors: Parag Rameshchandra Dharmadhikari, Robert Roesner
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Publication number: 20180306169Abstract: Systems and methods for operating an energy storage system in a wind turbine system are provided. A wind turbine system can include a wind turbine, a power conversion system operably coupled to the wind turbine and an AC line bus, and an energy storage system coupled to the AC line bus. The energy storage system can include a transformer, a power converter, and an energy storage device and can be configured to store and provide power generated by the wind turbine. The method can include operating the wind turbine system to generate power, determining one or more operating parameters for the wind turbine system, determining an operating mode based on the one or more operating parameters, and controlling the wind turbine system based at least in part on the operating mode. Controlling the wind turbine can control a power flow into or out of the energy storage system.Type: ApplicationFiled: April 24, 2017Publication date: October 25, 2018Inventors: Parag Rameshchandra Dharmadhikari, Robert Roesner
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Patent number: 10020650Abstract: A battery energy storage system is disclosed, the battery energy storage system comprising a rechargeable battery assembly for storing and providing energy and a protection system including an arc flash protection device to protect against risks due to arc flashes. The arc flash protection device comprises an overcurrent protection unit which detects overcurrent conditions indicating arc flash conditions in case of a low impedance of the battery assembly and an undervoltage protection unit which detects undervoltage conditions indicating arc flash conditions in case of a low impedance of the battery assembly, wherein upon detecting the overcurrent conditions and/or the undervoltage conditions for a predetermined minimum time period, the arc flash protection device initiates protective measures to prevent further operation of the battery assembly.Type: GrantFiled: February 23, 2015Date of Patent: July 10, 2018Assignee: GE ENERGY POWER CONVERSION TECHNOLOGY LTDInventors: Robert Roesner, Christoph Rytz
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Patent number: 9970417Abstract: This disclosure relates to systems and methods for controlling a wind converter for a weak electrical grid. In one embodiment of the disclosure, a system for controlling the wind converter includes a wind converter connected to an electrical grid at a point of connection (POC) and operable to transfer a power to the electrical grid. The system includes a first control loop operable to calculate, based on electrical grid parameters and wind converter characteristics, a voltage reference to be generated by the wind converter. The system includes a second control loop to convert, based on the electrical grid parameters, the voltage reference into a current reference. The second loop converts the angle information of the voltage reference into a voltage at the POC. The system includes a third control to regulate, based at least on the current reference, the power transferred by the wind converter to the electrical grid.Type: GrantFiled: April 14, 2016Date of Patent: May 15, 2018Assignee: GENERAL ELECTRIC COMPANYInventors: Zhihui Yuan, Robert Roesner, Stefan Schroeder, Ara Panosyan, Krishna Kumar Anaparthi
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Publication number: 20180117342Abstract: A feedthrough includes a first printed circuit board, a first flexible conductive element coupled to and extending from an edge of the first printed circuit board, a second printed circuit board, and a second flexible conductive element coupled to and extending from an edge of the second printed circuit board.Type: ApplicationFiled: July 28, 2017Publication date: May 3, 2018Inventors: Tobias Schuetz, Robert Roesner
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Publication number: 20170302204Abstract: This disclosure relates to systems and methods for controlling a wind converter for a weak electrical grid. In one embodiment of the disclosure, a system for controlling the wind converter includes a wind converter connected to an electrical grid at a point of connection (POC) and operable to transfer a power to the electrical grid. The system includes a first control loop operable to calculate, based on electrical grid parameters and wind converter characteristics, a voltage reference to be generated by the wind converter. The system includes a second control loop to convert, based on the electrical grid parameters, the voltage reference into a current reference. The second loop converts the angle information of the voltage reference into a voltage at the POC. The system includes a third control to regulate, based at least on the current reference, the power transferred by the wind converter to the electrical grid.Type: ApplicationFiled: April 14, 2016Publication date: October 19, 2017Inventors: Zhihui Yuan, Robert Roesner, Stefan Schroeder, Ara Panosyan, Krishna Kumar Anaparthi
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Patent number: 9667057Abstract: The present disclosure is directed to a system and method for protecting a power converter of a renewable energy power system and/or a stand-alone energy storage system connected to a power grid during an adverse voltage event, such as a high voltage ride through (HVRT) event. In one embodiment, the method includes monitoring, via a control system, a current-voltage parameter of the power converter, wherein the current-voltage parameter is indicative of an adverse voltage event occurring at the power grid. Another step includes transferring, via a switching power supply, energy from a DC link of the power converter to one or more energy storage devices of an energy storage system coupled to the power converter when the current-voltage parameter indicates that an adverse voltage event is occurring.Type: GrantFiled: June 18, 2014Date of Patent: May 30, 2017Assignee: General Electric CompanyInventors: Robert Roesner, Mathieu Giroux
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Publication number: 20150372481Abstract: The present disclosure is directed to a system and method for protecting a power converter of a renewable energy power system and/or a stand-alone energy storage system connected to a power grid during an adverse voltage event, such as a high voltage ride through (HVRT) event. In one embodiment, the method includes monitoring, via a control system, a current-voltage parameter of the power converter, wherein the current-voltage parameter is indicative of an adverse voltage event occurring at the power grid. Another step includes transferring, via a switching power supply, energy from a DC link of the power converter to one or more energy storage devices of an energy storage system coupled to the power converter when the current-voltage parameter indicates that an adverse voltage event is occurring.Type: ApplicationFiled: June 18, 2014Publication date: December 24, 2015Inventors: Robert Roesner, Mathieu Giroux
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Publication number: 20150244165Abstract: A battery energy storage system is disclosed, the battery energy storage system comprising a rechargeable battery assembly for storing and providing energy and a protection system including an arc flash protection device to protect against risks due to arc flashes. The arc flash protection device comprises an overcurrent protection unit which detects overcurrent conditions indicating arc flash conditions in case of a low impedance of the battery assembly and an undervoltage protection unit which detects undervoltage conditions indicating arc flash conditions in case of a low impedance of the battery assembly, wherein upon detecting the overcurrent conditions and/or the undervoltage conditions for a predetermined minimum time period, the arc flash protection device initiates protective measures to prevent further operation of the battery assembly.Type: ApplicationFiled: February 23, 2015Publication date: August 27, 2015Inventors: Robert ROESNER, Christoph RYTZ
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Patent number: 8772965Abstract: A power generation system includes integrated photovoltaic (PV) panels. Each of the integrated PV panel includes photovoltaic cells, a junction coupler coupling the photovoltaic cells in series, in parallel, or in combinations thereof, output terminals, and a DC to AC converter coupled between the junction coupler and the output terminals. The DC to AC converter includes switching devices and the integrated PV panels are coupled in series at the respective output terminals. A controller is provided in the power generation system for generation switching command signals for the switching devices of the integrated PV panels to synthesize an output voltage of the power generation system.Type: GrantFiled: June 29, 2010Date of Patent: July 8, 2014Assignee: General Electric CompanyInventors: Said Farouk Said El-Barbari, Oliver Gerhard Mayer, Robert Roesner, Christof Martin Sihler, Simon Herbert Schramm
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Patent number: 8532828Abstract: A system for damping audible noise from a drive train. One embodiment is a system with an audible noise signal from a drive train wherein a damping circuit produces a damping torque that is a phase shifted and amplified version of the noise signal that is applied to the air-gap torque of a generator or motor coupled to the drive train and effectively reduces the audible noise.Type: GrantFiled: November 7, 2008Date of Patent: September 10, 2013Assignee: General Electric CompanyInventors: Simon Schramm, Christof Sihler, Jan Hemmelmann, Robert Roesner