Method and system for power swing detection in a generator
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United States of America Patent
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Jul 8, 2014
Grant Date -
May 1, 2014
app pub date -
Oct 31, 2012
filing date -
Oct 31, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A generator protection device is provided. The generator protection device includes a safety factor estimation module configured to estimate a safety factor as a function of a terminal voltage (VS) of a source-end generator, and a swing center voltage (SCV) between the source-end generator and a receiving-end generator. The system further includes a comparison module configured to compare the estimated safety factor with a defined safety threshold limit, and a decision module configured to trigger an alarm or a generator circuit breaker trip action or both, based on the comparison between the estimated safety factor and the defined safety threshold limit.
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