Ground fault protection circuit
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United States of America Patent
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-
Feb 13, 2001
Grant Date -
N/A
app pub date -
Oct 16, 1998
filing date -
Oct 10, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ground fault detection circuit is coupled to an AC circuit and to earth ground for detecting a flow of energy from the AC circuit to earth ground through a path external to the AC circuit. In one embodiment, the ground fault circuit includes a detection circuit coupled to a negative rail of an inverter, which forms part of the AC circuit, and a detection control circuit coupled to the inverter for disabling the AC circuit.
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