1
Richard S Zhang, James Patrick Lyons, Luis Jose Garces, Xiaoming Yuan: Cross current control for power converter systems and integrated magnetic choke assembly. General Electric Company, Ann M Agosti, Patrick K Patnode, June 15, 2004: US06751106 (75 worldwide citation)

A cross current control system for multiple, parallel-coupled power converters includes common mode chokes, local cross current feedback controllers, and local converter controllers. Each common mode choke is coupled to a respective power converter. Each local cross current feedback controller is co ...


2
Richard S Zhang, James Patrick Lyons, Luis Jose Garces, Xiaoming Yuan: Cross current control for power converter systems and integrated magnetic choke assembly. General Electric Company, Ann M Agosti, Patrick K Patnode, July 12, 2005: US06917271 (52 worldwide citation)

A cross current control system for multiple, parallel-coupled power converters includes common mode chokes, local cross current feedback controllers, and local converter controllers. Each common mode choke is coupled to a respective power converter. Each local cross current feedback controller is co ...


3
Ravisekhar Nadimpal Raju, Richard S Zhang, Rajib Datta, Allen Michael Ritter, Ljubisa Dragoljub Stevanovic: Power conversion system with galvanically isolated high frequency link. General Electric Company, Penny A Clarke, March 16, 2010: US07679941 (37 worldwide citation)

A power conversion system has a three-phase AC input, where each AC input phase is linked to a string of cascaded single-phase AC-DC converters placed in series with a three-phase AC-DC converter. Each single-phase AC-DC converter in one embodiment includes a silicon carbide (SiC) pulse width modula ...


4
Ravisekhar NadimpalliRaju, Richard S Zhang, Rajib Datta, Allen Michael Ritter, Ljubisa Dragoljub Stevanovic: DC-DC and DC-AC power conversion system. General Electric Company, Penny A Clarke, August 31, 2010: US07787270 (23 worldwide citation)

A galvanic isolated DC-DC and DC-AC power conversion system is coupled to a plurality of DC sources which are derived from a combination of a plurality of single-phase and three-phase AC-DC converters. The DC-DC and DC-AC power conversion system in one embodiment is configured to provide mixed type ...


5
Richard S Zhang, Changyong Wang, Lei Li, James Patrick Lyons, Zhuohui Tan, Allen Michael Ritter: Power converter system and method. General Electric Company, Ann M Agosti, November 4, 2008: US07446435 (22 worldwide citation)

A power system for providing an output power to a load is provided. The system comprises a generator configured to generate an alternating current input power and an power converter system coupled to the generator and configured to generate an output power and provide the output power to the load th ...


6
Richard S Zhang: High-frequency resonant gate driver circuit for MOS-gated power switches. General Electric Company, Jill M Breedlove, Christian G Cabou, August 27, 2002: US06441673 (21 worldwide citation)

A resonant gate driver circuit suitable for driving MOS-gated power switches in high-frequency applications recovers gate drive energy stored in the gate capacitance of the power switches, resulting in substantially lossless operation. The resonant gate driver circuit provides bi-polar gate control ...


7
Rajib Datta, Christof Martin Sihler, Richard S Zhang: Direct current power transmission and distribution system. General Electric Company, Patrick K Patnode, December 14, 2010: US07851943 (18 worldwide citation)

A direct current (DC) transmission and distribution system includes a system DC link configured for carrying power from a source to a plurality of loads {16} and DC to alternating current (AC) power converter modules coupled in series to the system DC link on a load side of the system DC link


8
Rajib Datta, Christof Martin Sihler, Richard S Zhang: Collection and transmission system. General Electric Company, Ann M Agosti, December 15, 2009: US07633770 (17 worldwide citation)

A collection and transmission system includes: a system direct current (DC) link configured for carrying power from a source to a grid; and alternating current (AC) to DC power converter modules coupled in series to the system DC link on a source side of the system DC link, each power converter modu ...


9
Richard S Zhang, Rajib Datta, Christof Martin Sihler, Manguelle Joseph Song: Modular stacked subsea power system architectures. General Electric Company, Andrew J Caruso, April 8, 2014: US08692408 (17 worldwide citation)

A sub-sea power delivery system includes a plurality of modular power converter building blocks on each of the power source side and the sub-sea load side that are stacked and interconnected to meet site expansion requirements and electrical load topologies. The power delivery system comprises a sys ...


10
Richard S Zhang, Changyong Wang, Zhuohui Tan, Haiqing Weng: Cross current control for power converter system. General Electric Company, Ann M Agosti, December 14, 2010: US07852643 (15 worldwide citation)

A system and method for controlling cross current in an interleaved power converter system having a plurality of converter threads coupled in parallel includes collecting a feedback current from each thread and obtaining a normal current and a differential mode current for each thread, based on its ...