Method and apparatus for the verification of an electrical insul

Details Method and apparatus for the verification of an electrical insul Method and apparatus for the verification of an electrical insul

1993-12-13

1995-05-16

Wieder, Kenneth A.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324530, 324559, G01R 3112, G01R 2912

Patent

active

054164206

ABSTRACT:
A method and apparatus for verifying the condition of an electrical insulator which is placed between two live conducting elements which are separated by the insulator. The insulator has a continuous electrically insulating core that may be covered with other types of insulating material. The insulator may also be a lightening arrester consisting of stacked insulating discs. An electric field detecting apparatus is positioned at a plurality of locations along the insulator to measure the intensity of an electric field created along the insulator. At each location a detected signal value of the electric field is stored within the apparatus and all of these signals are analyzed to detect deviations from expected values of the electric field and indicative of a fault(s) along the insulator.

REFERENCES:
patent: 4758792 (1988-07-01), Polonis et al.
patent: 4760343 (1988-07-01), Vaillancourt et al.

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