Compensated current differential relaying method and system for protecting transformer
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United States of America Patent
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Mar 4, 2008
Grant Date -
Jan 11, 2007
app pub date -
May 9, 2005
filing date -
May 10, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a compensated current differential relaying method and system for protecting a transformer more correctly by calculating and estimating an exciting current including a core-loss current and a magnetizing current, and, in particular, to a compensated current differential relaying method and system which can protect the transformer correctly irrespective of the level of remanent flux.
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