Arrangement of arrestors in a gas-insulated switchgear

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electrical power distribution systems and devices

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361 40, 361604, H02B 104

Patent

active

055900186

ABSTRACT:
The arrestors of a compact gas insulated switchgear are to be connected to gas insulated main buses. The arrestors represent three phases, and are arranged in such a manner that the distance from a main bus which is located at the outermost position among a plurality of main buses to at least one arrestor for one phase is differentiated from the distances from the outermost main bus to at least one of the remaining arrestors. As a result, the area or the width required for installing the arrestors is minimized, the length of the main buses is shortened, and the installation area of the gas insulated switchgear as a whole can be reduced.

REFERENCES:
patent: 3576509 (1971-04-01), Bernatt
patent: 3857006 (1974-12-01), Daimon
patent: 4745522 (1988-05-01), Mitomo
patent: 4967307 (1990-10-01), Itou
patent: 5001599 (1991-03-01), Itou

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