Negative corona shielding of line and station hardware

Details Negative corona shielding of line and station hardware Negative corona shielding of line and station hardware

1979-07-10

1981-09-22

Askin, Laramie E.

Electricity: conductors and insulators

Overhead

Ground clamps and cable clips

174 73R, 174127, 174140R, 174141R, 248 63, H02G 705, H01T 1900, H01B 1742

Patent

active

042911940

ABSTRACT:
A conductor support member includes an external surface having a first portion thereon. The first portion is shaped to generate a localized increase in voltage gradient. Shielding means including surfaces intersecting to define a sharp edge are provided to promote a negative corona discharge adjacent the first portion. The said negative corona discharge produces a positive space charge to reduce the voltage gradient at the first portion. This inhibits the generation of positive corona discharge.

REFERENCES:
patent: 1233296 (1917-07-01), Austin
patent: 3129282 (1964-04-01), Flynn
patent: 4034154 (1977-07-01), Lecat
Cigre Report, Group 36, Aug. 24, 1974, pp. 28-32.

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