Electricity: conductors and insulators – Conduits – cables or conductors – Conductor structure
Patent
1975-12-11
1977-07-05
Goldberg, E. A.
Electricity: conductors and insulators
Conduits, cables or conductors
Conductor structure
174 4R, 361117, H01B 500
Patent
active
040341542
ABSTRACT:
A device is described for substantially reducing the radio interference and audible noise caused by the corona appearing on the surface of electrically conductive members supplied with a high electric voltage. The device comprises an electrically conductive mounting portion to be mounted on the surface of the live member in electrical contact therewith and at least one electrically conductive projecting portion projecting therefrom in directions substantially normal to said surface of the live member. The end of the projecting portion remote from the mounting portion has a radius of curvature which is small relative to its length, the dimension of the projecting portion being optimized such that, during use of the live member, said end of the projecting portion is located in a well-defined zone of electrical field around the live member where a unique relatively non-disturbing ionization mode is produced. This device is applicable to localized live components or parts such as in high voltage power stations or overhead lines.
REFERENCES:
patent: 1515293 (1924-11-01), Whitehead
patent: 3102161 (1963-08-01), Raisbier
Cigre Report 9/1/72, pp. 11-15.
Goldberg E. A.
Laboratoire Belge de l'Industrie Electrique (LABORELEC)
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