Gas-insulated transmission line having reserve circuit for recov

Details Gas-insulated transmission line having reserve circuit for recov Gas-insulated transmission line having reserve circuit for recov

1996-06-26

1998-10-06

Gellner, Michael L.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Air-current blowout

361605, H01H 3318, H02H 500

Patent

active

058180044

ABSTRACT:
In a gas-insulated transmission line for transmitting electric power between the substations, a bus change-over disconnecting switch for connection to a reserve circuit is provided at a portion where the gas-insulated transmission line is connected to a gas-insulated switchgear in order to improve reliability, and a first circuit and a second circuit are connected to the reserve circuit by using the change-over disconnecting switch. Therefore, even if grounding fault occurs on the two circuits at worst, transmission of electric power is reliably maintained without causing power failure.

REFERENCES:
patent: 3654409 (1972-04-01), Kessler
patent: 4190733 (1980-02-01), Wootton
patent: 4933802 (1990-06-01), Haginoya et al.
patent: 5581439 (1996-12-01), Hachida et al.

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