As insulated wires have come into wide use as distribution lines, wire breakage by arc fusion due to lightning flashovers has become a serious problem in Japan. In order to prevent that, the authors have developed a current limiting arcing hom, which has a nonlinear resistor element of zinc oxide. Therefore, the power follow current is interrupted and conductor arc fusion can be prevented. Also, even in the case of bare wires, this device effectively prevents power supply service interruptions. This paper des…
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