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A.D.C. Operated Ground Fault Locator for Energized Shipboard A.C. Electrical Systems.

机译:a.D.C.用于通电船舶的操作接地故障定位仪a.C.电气系统。

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The patent application describes a device for locating a ground fault in an energized shipboard or other A.C. electrical power system which is normally not grounded. A direct current power supply is used to inject direct current into one of the power lines of the A.C. system. A Hall sensor is placed in proximity to the outer surface of the cable under test. A center zero D.C. meter monitors the Hall output. Any meter deflection indicates a resistive ground. The fault may then be located by properly maneuvering the Hall sensor and observing where the meter deflection reverses.

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