Gas-insulated switchgear apparatus

Details Gas-insulated switchgear apparatus Gas-insulated switchgear apparatus

1980-05-15

1981-09-22

Tolin, Gerald P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

H02B 502

Patent

active

042913632

ABSTRACT:
A gas-insulated switchgear apparatus is disclosed in which three-phase power transmission lines are anchored to associated entry gantries respectively while maintaining a required vertical open-air insulation distance between the power transmission lines, and line feeder switching units for electrically connecting the power transmission lines to gas-insulated main buses disposed substantially in parallel with the extending direction of the entry gantries are arranged to extend in a horizontal direction orthogonal with respect to the axial direction of the main buses. Bushings connected to the line-side ends of the respective line feeder switching units are spaced apart from each other by a predetermined open-air insulation distance in the horizontal direction, so that the desired vertical open-air insulation distance between the power transmission lines and the desired horizontal open-air insulation distance between the external terminals of the bushings can be maintained without increasing the axial length of the main buses.

REFERENCES:
patent: 3364398 (1968-01-01), Stipcevich
patent: 4200899 (1980-04-01), Volman
patent: 4237520 (1980-12-01), Oishi

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