Three-phase faulted circuit indicator

Details Three-phase faulted circuit indicator Three-phase faulted circuit indicator

G - Physics

01

R

G01R 31/02 (2006.01) H02J 13/00 (2006.01)

Patent

CA 2719516

A three-phase faulted circuit indicator adjustable to accommodate a variety of three-phase power cables is disclosed. In one embodiment, faulted circuit indicator comprises a flexible holder that encircles the monitored conductor slightly more than one time. The flexible holder includes a plurality of magnetic sensors for monitoring the current within the internal conductors of the power cable, a logic circuit for determining the occurrence of a fault, and an output device for providing an indication of a fault. In a second embodiment, the faulted circuit indicator comprises a plurality of sensor compartments, each disposed about a central point, and each coupled to two other sensor compartments.

L'invention concerne un indicateur de circuit triphasé en défaut ajustable pour contenir des câbles triphasés de puissance de diverses natures. Selon un mode de réalisation, l'indicateur de circuit en défaut comprend un support souple qui encercle légèrement plus qu'une seule fois le conducteur surveillé. Le support souple inclut une pluralité de capteurs magnétiques destinés à surveiller le courant à l'intérieur des conducteurs internes du câble de puissance, un circuit logique, destiné à déterminer l'apparition d'un défaut, et un dispositif de sortie, destiné à procurer une indication de défaut. Selon un second mode de réalisation, l'indicateur de circuit en défaut comprend une pluralité de compartiments de capteurs disposés chacun autour d'un point central et couplés chacun à deux autres compartiments de capteurs.

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