Shock hazard protective apparatus for high voltage system

Details Shock hazard protective apparatus for high voltage system Shock hazard protective apparatus for high voltage system

H - Electricity

02

H

348/26

H02H 3/16 (2006.01) A61N 1/08 (2006.01)

Patent

CA 1136253

ABSTRACT OF THE DISCLOSURE Protection against a high voltage apparatus becoming inadvertently grounded and thereby presenting a shock hazard is provided by introducing a ground fault interrupter in the power supply to the electrical control device which controls the supply of high voltage power. The two-wire power supply line between the ground fault interrupter and the control de- vice has one wire grounded ahead of the interrupter and the other wire connected to the high voltage apparatus through a rectifier and a D.C. filter. Thus if the high voltage apparatus becomes accidentally grounded there is a drain to ground from the ground fault interrupter through the rectifier connection, which drain causes the interrupter to cut off the power supply to the control device thereby shutting down the high voltage apparatus.

364026

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