High-voltage Y-shaped dead tank circuit interrupter

Details High-voltage Y-shaped dead tank circuit interrupter High-voltage Y-shaped dead tank circuit interrupter

1982-08-05

1984-12-04

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148A, 200148B, 200148D, 200148F, H01H 3354

Patent

active

044866330

ABSTRACT:
A gas-insulated circuit breaker is described which includes a Y-shaped hollow grounded metal tank formed from three appropriately shaped pipes joined together. A hollow insulating bushing is secured to each upstanding leg. A stationary and a movable contact, separable from each other to establish an arc therebetween, are disposed in one of the upstanding legs, with an insulating gas disposed within both the tank and the insulating bushings. A mechanism is used for directing a blast of insulating gas into the arc established between the separating contact, and includes a piston fixedly disposed in the one leg and a puffer cylinder secured to the movable contact and movable over the piston to compress the gas therebetween. An operating mechanism is associated with the base leg for moving the movable contact, and a drive rod insulatably connects the movable contact and the operating mechanism. The operating mechanism thus moves the movable contact through the insulating drive rod.

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