Method, apparatus and computer program product for fault protection
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United States of America Patent
Stats
-
Dec 6, 2011
Grant Date -
Jan 21, 2010
app pub date -
Oct 3, 2008
filing date -
Jul 16, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus is provided for fault protection. The apparatus may include one or more electronic components configured to receive a single phase-to-ground fault signal and a double phase-to-ground fault signal subsequent to receiving the single phase-to-ground fault signal. The one or more of electronic components may be further configured to provide for a delay while the single phase-to-ground fault signal indicates that a single phase-to-ground fault is present on the ungrounded power system and the double phase-to-ground fault signal indicates that the double phase-to-ground fault is present on the ungrounded power system. The delay may allow for an opportunity to isolate a phase-to-ground fault on a first phase from a phase-to-ground fault on a second phase. Associated methods and computer program products are also provided.
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