- Patent Title: Reduction of common mode emission of an electrical power converter
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Application No.: US17507866Application Date: 2021-10-22
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Publication No.: US11750114B2Publication Date: 2023-09-05
- Inventor: Kum Kang Huh , Rajib Datta , Vandana Prabhakar Rallabandi , John Russell Yagielski , Mohamed Osama
- Applicant: General Electric Company , General Electric Deutschland Holding GmbH
- Applicant Address: US NY Schenectady
- Assignee: General Electric Company,General Electric Deutschland Holding GmbH
- Current Assignee: General Electric Company,General Electric Deutschland Holding GmbH
- Current Assignee Address: US NY Schenectady; DE Frankfurt
- Agency: Dority & Manning, P.A.
- Main IPC: H02M7/5395
- IPC: H02M7/5395 ; H02P27/08 ; H02P25/22 ; B64D27/12 ; H02M1/44 ; B64D27/02

Abstract:
A power system including a power converter system and an electric machine is provided. In one aspect, the power converter system has first and second switching elements. The electric machine includes a first multiphase winding electrically coupled with the first switching elements and a second multiphase winding electrically coupled with the second switching elements. The first and second multiphase windings are arranged and configured to operate electrically opposite in phase with respect to one another. One or more processors control the first switching elements to generate first pulse width modulated (PWM) signals based on received voltage commands to render a first common mode signal and also control the second switching elements to generate second PWM signals based on received voltage commands to render a second common mode signal. The rendered first and second common mode signals have the same or similar waveform with opposite polarity with respect to one another.
Public/Granted literature
- US20230130278A1 REDUCTION OF COMMON MODE EMISSION OF AN ELECTRICAL POWER CONVERTER Public/Granted day:2023-04-27
Information query
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