Interface for high voltage oil-filled and gas-filled apparatus

Electricity: conductors and insulators – With fluids or vacuum – With expansion and contraction means

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174 18, 174 22R, 361332, H01F 2704, H01B 1726

Patent

active

040976815

ABSTRACT:
Gas-insulated electrical apparatus is connected to oil-insulated electrical apparatus within an intermediate oil-filled tank having an oil pressure lower than the pressure within the oil-insulated apparatus. If gas leaks into the relatively low pressure oil, the gas contaminated oil cannot leak into the oil-insulated equipment. The intermediate oil-filled tank has larger electrical clearances than the oil-insulated apparatus.

REFERENCES:
patent: 3643003 (1972-02-01), Graybill
patent: 3746935 (1973-07-01), Wagenaar et al.
patent: 3819845 (1974-06-01), Tahiliani

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