Hybrid medium voltage circuit breaker

Details Hybrid medium voltage circuit breaker Hybrid medium voltage circuit breaker

1991-03-12

1992-10-13

Broome, Harold

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144B, H01H 3382, H01H 930

Patent

active

051553155

ABSTRACT:
The circuit breaker comprises main contacts 26, 30 and a vacuum cartridge 38 in parallel which performs breaking, the assembly being contained in an enclosure 10 filled with sulphur hexafluoride. The cartridge is designed for dielectric withstand in this gas. The contacts of the cartridge 38 are made of high resistive material and a coil generates an axial magnetic field in the arcing zone.

REFERENCES:
patent: 3522404 (1970-08-01), Trayer
patent: 3671696 (1972-06-01), Brunner
patent: 4109123 (1978-08-01), Lipperts

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