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Circuit arrangement for locating high ohmic and intermittent cable faults
Circuit arrangement for locating high ohmic and intermittent cable faults
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机译:用于定位高欧姆和间歇性电缆故障的电路装置
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摘要
A circuit arrangement for the preliminary locating of high-impedance and intermittent cable faults, using the pulse echo method, in which a shockwave generator, known per se, for igniting the cable fault is connected via a nonlinearity for decoupling the pulses of the synchronous echo measurement from the shockwave generator and a resistor to the cable and furthermore a second voltage source is connected to the cable, which is suitable for maintaining the arc in a stable manner for the time of the measurement, following the ignition of the fault, and which is decoupled by an inductance with respect to the measurement pulses and by a diode with respect to the ignition voltage. IMAGE
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