Parallel insulation fault detection system
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United States of America Patent
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Apr 5, 2005
Grant Date -
Dec 26, 2002
app pub date -
Jun 10, 2002
filing date -
Jun 11, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A device for detecting and locating arcs in a set of wires is discussed. The device comprises a probe for discharging controlled current to an exposed portion of a wire in the set of wires. The probe includes a handleable enclosure and an elongated structure which projects from the enclosure for conducting a gas and for enclosing a needle that has a tip. A suitable gas includes gases that have low electron attachment, such as helium. The device further comprises a control unit for communicating control signals as well as the gas to the probe. The control unit includes a controller, a valve being controllable by the controller and being capable of regulating the flow of the gas, and a high-voltage generator being controllable by the controller to generate a high-voltage signal, which can be communicated to the probe by the control unit.
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