Fluid-blast circuit interrupter

Details Fluid-blast circuit interrupter Fluid-blast circuit interrupter

1975-07-17

1977-08-23

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144AP, 200145, H01H 3382

Patent

active

040442101

ABSTRACT:
A system for interrupting high-voltage circuits including a surge-limiting resistor, a resistor switching interrupter and a power interrupter. The resistor and resistor switching interrupter are connected in series and the series combination connected in parallel with the power interrupter. The resistor switching interrupter includes a hollow rotative gas-conducting crossarm assembly carrying two pairs of moving contacts which cooperate with two pairs of stationary contacts to form four breaks. On an interruption operation, the gas conducting arm is rotated to initiate four arcs and a valve admits high pressure arc-extinguishing gas through the arm and against the arcs.

REFERENCES:
patent: 2658128 (1953-11-01), Forwald
patent: 2894100 (1959-07-01), Hoffmann
patent: 3114816 (1963-12-01), Beatty
patent: 3291947 (1966-12-01), Van Sickle
patent: 3538277 (1970-11-01), Phillips

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