Metal-encapsulated gas-insulated high-voltage installation with

Details Metal-encapsulated gas-insulated high-voltage installation with Metal-encapsulated gas-insulated high-voltage installation with

1987-02-03

1988-06-28

Tolin, G. P.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361124, 361125, H02H 906, H02H 322

Patent

active

047543639

ABSTRACT:
In a metal-encapsulated gas-insulated high-voltage installation with an overvoltage arrester which is arranged in a separate encapsulation and is connected via a gastight feedthrough to the conductor of the high-voltage installation, fault arcs can lead to heavy stresses of the overvoltage arrester by dynamic forces due to overloading. In order to prevent this, there are provided in the connection between the feedthrough and the overvoltage arrester two electrode-shaped support bodies, between which a flexible current-carrying ribbon is arranged. The cross section of the current-carrying ribbon is designed so that it melts at currents of a magnitude which is equal to or larger than that required for the pressure relief of the overvoltage arrester after the arc has been blown out of the arresting housing. Thereby, the overvoltage arrester and the feedthrough are mechanically decoupled.

REFERENCES:
patent: 2158859 (1939-05-01), Horikoshi
patent: 2174477 (1939-09-01), Pittman et al.
patent: 2315320 (1943-03-01), Earle
patent: 2504438 (1950-04-01), McFarlin
patent: 2989608 (1961-06-01), Hicks
patent: 3875466 (1975-04-01), Jakszt
patent: 3909676 (1975-09-01), McConnell
patent: 4015228 (1977-03-01), Eda et al.
patent: 4318153 (1982-03-01), Fasano
patent: 4503414 (1985-03-01), Sykes et al.

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