Ground fault detection system and method

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of ground fault indication

Reexamination Certificate

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C324S510000, C361S042000

Reexamination Certificate

active

06856137

ABSTRACT:
In one embodiment, an AC ground fault detector system senses an AC signal indicative of an unintended electrical path between a load driven by a power source and a reference potential using a capacitively coupled circuit.

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Lefferson, DC Leakage Current Detector Protects the High Voltage Equipment User, pp. 34, 35 and 37 (Sep. 2000).

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