To prevent stop of operation for a ling period of time on the occasion of switching the existing switch gear to a newly installed gas insulation switch gear.
This gas insulation switch gear is provided with main buses 101, 102; air-break switch gear 100 in a ground electric station including a plurality of line circuits 105 connected to the main buses and a transformer line 117; newly installed buses 301, 302 constructed within the electric station or under the ground near such electric station after the installation of the air- break switch gear to be connected with the main buses 101, 102 via the air bushings allocate on the ground; and the gas insulation switch gear 300 installed under the ground including a plurality of line units 305 and transformer unit 317 connected to such newly installed buses.
| WO/2010/114454 | INSTALLATION FOR BATTERY CHARGING |
SASAMORI KENJI
SADAKUNI HITOSHI
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