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Failed Circuit Indicator, Method for Installing a Failed Three-Phase Circuit Indicator on a Three-Phase Power Cable, and System for Detecting a Failed Current on a Multi-Conductor Power Cable
Failed Circuit Indicator, Method for Installing a Failed Three-Phase Circuit Indicator on a Three-Phase Power Cable, and System for Detecting a Failed Current on a Multi-Conductor Power Cable
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.
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