Loss of neutral or ground protection circuit

Details Loss of neutral or ground protection circuit Loss of neutral or ground protection circuit

H - Electricity

02

H

348/39

H02H 3/16 (2006.01)

Patent

CA 2016217

ABSTRACT A loss of neutral or ground protection circuit is disclosed which uses a simple capacitive circuit which discharges through the neutral or ground leads in normal conditions, and in the event of loss of neutral or ground charges sufficiently to trip a circuit breaker. The protection circuit may include other circuits such as ground fault detection circuits and may be in a one or three phase system. By virtue of the fact that a capacitive circuit is used to trip the circuit breaker, an inherent time delay is involved and thus the circuit breaker will not be tripped as a result of a momentary loss of neutral or ground. This is particularly important where continuity of operation of a load is important. c:\spe\square.d3d

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