High-voltage switch and its use

Details High-voltage switch and its use High-voltage switch and its use

1983-01-24

1985-02-12

Pellinen, A. D.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 6108, 200150M, H01H 3391

Patent

active

044993510

ABSTRACT:
To provide a high-voltage switch which can switch off in a very short time, namely in a half-period, rapid severing of the isolating screws (36) is utilized, and the high-voltage switch is designed so that the switch-off and switch-on device contains at least one isolating screw (36) by means of which a prestressed rod (28) connected to the movable contact of the high-voltage switch can be released. The half-period high-voltage switch according to the invention is used appropriately in switching systems where the half-period high-voltage switch is connected in series with at least one power circuit-breaker. The advantage is to be seen especially in the use of the high-voltage switch in switching systems where it permits a limited short-circuit cut-out capacity.

REFERENCES:
patent: 4354072 (1982-10-01), Noeske
Natsui et al., "Experimental Approach to One-Cycle Puffer Type SF.sub.6 Gas Circuit Breaker", IEEE Transaction on Power Apparatus and Systems, vol. Pas-99, No. 3, May/Jun. 1980, pp. 833-840.

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