Power supply control apparatus

Details Power supply control apparatus Power supply control apparatus

2011-06-28

2011-06-28

Fureman, Jared J (Department: 2836)

Electrical transmission or interconnection systems

Switching systems

Switch actuation

C307S009100, C307S127000, C307S139000, C361S084000, C361S092000, C324S500000, C324S501000, C324S502000, C324S503000, C324S506000, C324S508000, C324S509000, C324S511000, C324S512000, C324S537000, C324S555000, C340S649000

Reexamination Certificate

active

07969046

ABSTRACT:
The present invention is to provide a power supply control apparatus which can connect a ground to a suitable electric potential when the ground is disconnected. The power supply control apparatus includes a control circuit having a switch element and a switch control unit, and a load. One terminal of load is connected to a direct-current power supply through the switch element, and the other terminal is connected to a ground electric potential. The switch control unit has a ground terminal connected to the ground electric potential and outputting a ground current flowing toward the ground electric potential. The control circuit includes a bypass device having a load side bypass system for passing the ground current to the ground electric potential through the load when connection between the ground terminal and the ground electric potential is disconnected. The load includes impedance for changing the electric potential of ground terminal into an electric potential in which the switch control unit stably acts when the ground current flows.

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