Solid state power controller leakage current shunt circuit

Details Solid state power controller leakage current shunt circuit Solid state power controller leakage current shunt circuit

1985-07-12

1987-04-07

Miska, Vit W.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

361 56, H01H 326, H02H 900

Patent

active

046563652

ABSTRACT:
A solid state power controller including a switching device which has a first impedance in an ON state and a second, higher impedance in an OFF state is provided with a leakage current shunt circuit. The solid state power controller includes a control circuit for turning the switching device on and off. This control circuit is operatively associated with a shunt circuit operating means which turns the shunt circuit on following a transition of the switching device from an ON state to an OFF state and which renders the shunt circuit inoperative prior to a transition of the switching device from an OFF state to an ON state. The shunt circuit thereby acts to clamp the voltage appearing at a pair of solid state power controller load output terminals.

REFERENCES:
patent: 3873905 (1975-03-01), Marek
patent: 4404473 (1983-09-01), Fox
patent: 4502085 (1985-02-01), Morrison et al.

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