G - Physics – 01 – R
Patent
G - Physics
01
R
324/29.2
G01R 31/08 (2006.01) G01R 31/02 (2006.01) G01R 31/12 (2006.01) G01R 31/14 (2006.01)
Patent
CA 2008898
47 ABSTRACT OF THE DISCLOSURE 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.
Dans un montage électrique tel qu'un réseau de transport, l'apparition d'une décharge partielle dans un isolant a pour effet d'induire une impulsion haute fréquence dans un élément conducteur, tel que la gaine métallique du câble. Cette impulsion haute fréquence est détectée au moyen d'un conducteur de dérivation, d'une électrode non métallisée, d'une bobine de détection ou d'autres éléments analogues connectés au câble, sans avoir à couper l'alimentation.
Endoh Takeshi
Hagiya Mikio
Ikeda Chuki
Imai Tomoaki
Hitachi Cable Ltd.
Kirby Eades Gale Baker
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