Air entrance bushing for gas-insulated bus

Details Air entrance bushing for gas-insulated bus Air entrance bushing for gas-insulated bus

1978-07-17

1980-05-13

Askin, Laramie E.

Electricity: conductors and insulators

With fluids or vacuum

Insulators

174 19, 174142, H01B 1726, H02G 1522

Patent

active

042029988

ABSTRACT:
An internal shield ring for the air entrance bushing of a gas-insulated bus system tapers inwardly at its free end and has a reduced spacing with respect to the central bushing conductor to increase the dielectric stress between the end of the shield ring and the central bus. This reduces the stress on the external bushing insulation material and thus permits a reduction in the bushing diameter.

REFERENCES:
patent: 3849590 (1974-11-01), Ozawa et al.
patent: 3934071 (1976-01-01), Tahiliani

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