Electric vehicle supply equipment
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United States of America Patent
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Jul 7, 2015
Grant Date -
Jan 16, 2014
app pub date -
Sep 12, 2013
filing date -
Jan 11, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Electric vehicle supply equipment includes an enclosure, an electric vehicle supply circuit for providing a flow of current to an electric vehicle, a charge circuit interrupting device, the charge circuit interrupting device arranged to interrupt the flow of current to the electric vehicle, a grounding monitor circuit, the grounding monitor circuit coupled to grounding conductors, the grounding monitor circuit having a grounding output signal, a ground default detection circuit, the ground fault detection circuit coupled to current carrying conductors, the ground fault detection circuit having a fault detection output signal, a controller, the controller coupled to the grounding monitor circuit, the ground fault detection circuit and the charge circuit interrupting device, the controller arranged to control the charge circuit interrupting device, and logic arranged to receive the grounding and fault detection signals and the control signal, and assert a close signal based upon the grounding and fault detection signals.
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