Power line surge suppressor

Details Power line surge suppressor Power line surge suppressor

H - Electricity

02

H

317/17

H02H 3/20 (2006.01)

Patent

CA 1332439

ABSTRACT OF THE DISCLOSURE A surge suppressor comprises a first series circuit having a first inductance and a first alternating voltage limiter, including at least a first capacitance and bidirectionally conductive rectifying circuit for charging the first capacitance, coupled between first and second input terminals for limiting surge currents and voltage excursions coupled to first and second load output terminals. The first alternating voltage limiter further comprises a sensing circuit for sensing at least one of the charging current supplied to and the voltage developed across the first capacitance. An auxiliary energy storage circuit and a normally open switching device responsive to the sensing circuit are provided for coupling the auxiliary energy storage circuit across the fist capacitance during high energy surge conditions.

611863

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