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AssigneeHitachi, Ltd.
InventorsMasatomo Kobayashi, Hiromichi Hokuto, Yoichi Ohshita, Minoru Sakaguchi
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A gas-insulated switchgear in which a washer 5 is electrically connected with a tank 1 by a conductive material 12 having a high resistivity at a position where the tank 1 and a tank 2 are joined through an insulator 13 of the gas-insulated switchgear. In view of the structure of the switchgear, the reliability is improved, the structure is simplified, the number of parts is decreased, and the profitability is improved because a steep surge is not theoretically induced for a steep surge induced when turning on/off each unit at an electrically insulated position of a joint between tanks through an insulator of a gas-insulated switchgear for an SF.sub.6 gas-insulated closed-type station.
An insulating joint between two tanks of a gas insulated switchgear, the tanks being electrically connected by a first conductor member and having a main circuit conductor extending therethrough, said insulating joint comprising:
Dependencies are inferred from the claim text.