Method and system for controlling a permanent magnet machine during fault conditions
Patent
·
OSTI ID:1174866
Method and system for controlling a permanent magnet machine driven by an inverter is provided. The method allows for monitoring a signal indicative of a fault condition. The method further allows for generating during the fault condition a respective signal configured to maintain a field weakening current even though electrical power from an energy source is absent during said fault condition. The level of the maintained field-weakening current enables the machine to operate in a safe mode so that the inverter is protected from excess voltage.
- Research Organization:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC36-83CH10093
- Assignee:
- Delphi Technologies, Inc. (Troy, MI)
- Patent Number(s):
- 6,741,060
- Application Number:
- 09/827,052
- OSTI ID:
- 1174866
- Country of Publication:
- United States
- Language:
- English
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