Protective device for series capacitor

Details Protective device for series capacitor Protective device for series capacitor

H - Electricity

02

H

317/6.5

H02H 7/16 (2006.01)

Patent

CA 1058281

ABSTRACT OF THE DISCLOSURE An overvoltage across each of N series capacitors is sensed by an individual overvoltage sensor through an associated current transformer and applied to a central control apparatus. Each capacitor is connected across an electric valve with a trigger electrode and also across a normally open circuit breaker. Another current transformer includes a secondary winding connected to the trigger valve electrode and a primary winding connected across a discharge circuit controlled by the central control apparatus. With an overvoltage developed across any capacitor, the discharge circuit discharges the electric valve and then closes the circuit breaker.

231182

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