Detecting partial discharge using a detection coil and analysis

Details Detecting partial discharge using a detection coil and analysis Detecting partial discharge using a detection coil and analysis

1993-12-08

1995-11-21

Wieder, Kenneth A.

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324541, G01R 3108

Patent

active

054690676

ABSTRACT:
In an electric apparatus such as an electric power cable system, a high frequency pulse is induced on a conductive member such as a metal sheath, where partial discharge occurs in an insulation. The high frequency pulse is detected by means of a bypass lead wire, a metal foil electrode, a detecting coil, and the like provided on the electric apparatus without interrupting a live operation of the electric apparatus.

REFERENCES:
patent: 4862088 (1989-08-01), Etienne et al.
patent: 4887041 (1989-12-01), Mashikian et al.
patent: 4929903 (1990-05-01), Saigo et al.
patent: 4935176 (1990-06-01), Brock et al.
patent: 4967158 (1990-10-01), Gonzalez
patent: 5323117 (1994-06-01), Endoh et al.

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