| 摘要 |
PROBLEM TO BE SOLVED: To simplify oil processing is a field when switching a terminal by a method, wherein a gas insulated switchgear directly coupling a connection box which interconnects with the interior of a tank is projected to the sidewall of the tank of an oil filled transformer, and the top end is fitted on an air bushing connection box via an insulating spacer. SOLUTION: A gas insulated switchgear directly coupling connection box 2 is projected to the sidewall of a tank 1a of an oil filled transformer 1, and is interconnected with the interior of the tank 1a. The top end of the gas insulated switchgear directly coupling connection box 2 is fitted on an air bushing connection box 3. At this time, the gas insulated switchgear directly coupling connection box 2 is connected to the air bushing connection box 3 via an insulating spacer 4. This insulating spacer 4 has bowl-like molded insulating members mounting fixed contactors, respectively, and the one fixed contactor is connected to a lead 5 from the interior of the main body of a transformer, and the other fixed contactor is connected to an air bushing 7 by a lead 6.
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