Gas insulated apparatus

Details Gas insulated apparatus Gas insulated apparatus

H - Electricity

01

H

H01H 33/42 (2006.01) B32B 5/28 (2006.01) C08J 5/04 (2006.01) H01B 17/56 (2006.01)

Patent

CA 2751689

When electric discharging occurs inside a gas insulated apparatus in which sulfur hexafluoride is filled, hydrogen-fluoride gas is generated, which abrades a part formed of glass fiber reinforced plastics included in the apparatus. Previously, resin for preventing the abrasion has been coated on the surface of the part; however, a problem has occurred that the coating film peels off. Organic fiber woven cloth woven using organic fiber such as aramid fiber or the like having hydrogen fluoride resistance and mechanical toughness is wrapped around the surface of glass fiber reinforced plastics 11, and thermosetting resin is wettably impregnated into weave patterns of the organic fiber woven cloth and then heat cured; thereby, an abrasion-preventing protection layer 12 that does not peel off is formed.

Lorsqu'une décharge se produit dans un dispositif d'isolation de gaz rempli d'hexafluorure de soufre, du fluorure d'hydrogène est généré, entraînant la corrosion des composants en plastique renforcé de fibre de verre à l'intérieur du dispositif. Traditionnellement, des revêtements de résine anticorrosion étaient utilisés sur les surfaces des composants mais le problème était que de tels revêtements se détachaient. Ainsi une surface de plastique renforcé de fibre de verre (11) était recouverte d'un tissu de fibre organique tissé à partir de fibres organiques qui sont solides et résistantes au fluorure d'hydrogène gazeux, comme les fibres d'aramide, et les espaces entre les fibres dudit tissu de fibre organique étaient abondamment imprégnés d'une résine thermodurcissable qui était ensuite durcie, formant ainsi une couche protectrice anticorrosion (12) qui ne se détache pas.

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