Invention Grant
- Patent Title: System and method for implementing a remedial electrical short
- Patent Title (中): 用于实施补救电气短路的系统和方法
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Application No.: US13912500Application Date: 2013-06-07
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Publication No.: US09088231B2Publication Date: 2015-07-21
- Inventor: Steven E. Schulz
- Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Agency: Quinn Law Group, PLLC
- Main IPC: H02H7/09
- IPC: H02H7/09 ; H02P6/08 ; H02P6/12 ; H02P27/06 ; H02P29/02

Abstract:
A method of implementing a remedial short in a rotating polyphase electric machine (EM) includes detecting a fault condition; and initially commanding a power inverter module (PIM) into an electrically-open state. Once in an open state, a controller may determine a phase angle of a current generated by the rotating EM, and may control the PIM to apply a voltage to the EM that is out-of-phase from the determined phase angle of the generated current. The magnitude of the applied voltage signal may ramped from a first voltage to zero over a period of time; whereafter the PIM may be commanded to electrically couple all of the electrical windings of the EM to each other.
Public/Granted literature
- US20140361717A1 SYSTEM AND METHOD FOR IMPLEMENTING A REMEDIAL ELECTRICAL SHORT Public/Granted day:2014-12-11
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