Pressurized gas circuit-breaker having opening and closing resis

Details Pressurized gas circuit-breaker having opening and closing resis Pressurized gas circuit-breaker having opening and closing resis

1982-08-12

1984-03-27

Goldberg, E. A.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148A, H01H 3316

Patent

active

044396511

ABSTRACT:
Pressurized gas circuit-breaker for very high voltages having opening and closing resistors, comprising, in a main insulative enclosure (1), a fixed contact (21, 101), a movable contact (32, 34, 62), a closing resistor (8) and a device (19) for inserting the closing resistor, the circuit-breaker further comprising, in an auxiliary insulative enclosure (120), a movable auxiliary contact (121), a fixed auxiliary contact (131) and an opening resistor (133), the circuit-breaker being characterized in that the movable auxiliary contact (121) is moved by a mechanism disposed in a casing (150) common to both enclosures (1, 120) and on the side of the fixed contact (21, 101), the mechanism comprising a link-crank assembly (152, 152') and a bell-crank lever having two arms (154A, 154B). Application to circuit-breakers for very high voltages.

REFERENCES:
patent: 4009458 (1977-02-01), Kishi et al.
patent: 4338500 (1982-07-01), Pham Van et al.

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