Bushing for gas-insulated electrical equipment

Details Bushing for gas-insulated electrical equipment Bushing for gas-insulated electrical equipment

H - Electricity

01

B

337/97

H01B 17/26 (2006.01) H01B 17/36 (2006.01) H01F 27/04 (2006.01)

Patent

CA 1210466

ABSTRACT OF THE DISCLOSURE A bushing for gas-insulated electrical equipment has a conductor penetrating through a porcelain tube which has a fitting flange connected to one end thereof and wherein main electrodes concentric with the conductor are interposed be- tween layers of an insulating member which insulates an outer periphery of the conductor. An end part of said each main electrode closer to the other end of said porcelain tube is exposed a predetermined length from said insulating member. Annular auxiliary electrode means electrically connected with said main electrode and the external shape of which having a curved surface is arranged at the exposed end part of said main electrode, whereby electric fields near the end part of said main electrode are moderated so as to enhance the dielec- tric strength of the bushing.

420833

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