Invention Grant
- Patent Title: Methods and apparatus of controllers for power converter with parallel power channels having independent DC buses
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Application No.: US14959062Application Date: 2015-12-04
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Publication No.: US09793819B2Publication Date: 2017-10-17
- Inventor: Shyam Sunder Ramamurthy , Luke Anthony Solomon , Brian Babes Venus , Christopher Joseph Lee
- Applicant: GE Energy Power Conversion Technology Ltd
- Applicant Address: GB
- Assignee: GE ENERGY POWER CONVERSION TECHNOLOGY LTD
- Current Assignee: GE ENERGY POWER CONVERSION TECHNOLOGY LTD
- Current Assignee Address: GB
- Agency: GE Global Patent Operation
- Agent Scott R. Stanley
- Main IPC: H02M5/458
- IPC: H02M5/458

Abstract:
Certain embodiments of the present invention relates to a method for controlling operation of a parallel converter system. The parallel converter system includes multiple parallel power converters, and each of the parallel power converters is coupleable to a corresponding controller. The method includes: generating, via each of the controllers, a channel reference signal, transmitting each of the generated channel reference signals to a corresponding one of the parallel power converters, and adjusting an output current of each of the parallel converters responsive to the corresponding channel reference signals received, the adjusting controlling a combined output current of the parallel converter system. The channel reference signals of these parallel power converters are generated in response to the participation factors of each of the parallel power converters, and a net converter output reference current.
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