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A Study on Dynamic Characteristics of EFPCD for Electrical Fire Prevention  

이상호 (삼척대학교 소방방재공학과)
오홍석 (삼척대학교 소방방재공학과)
Publication Information
Fire Science and Engineering / v.16, no.3, 2002 , pp. 8-11 More about this Journal
Abstract
Recently, the spark and the overheat due to in the failure of pressure contacts on connecting points and the momentary short circuit have been the major causes of electrical fire because these may cause the deposition and the graphite of insulating materials in electrical wiring system. Also, because in these cases the current is a surge one, the losses and faults of a communication, a home appliances, a computer and a measuring instrument may occur. Especially, in such cases, we are very difficult to detect the failure of pressure contacts on connecting points and the momentary short circuit. In this paper, we have developed an auxiliary control device, the electrical fire prevention control device(EFPCD), of an earth leakage breaker(ELB). And we can pre-vent the electrical fire caused by the spark and the overheat occurring in the failure of pressure contacts in connecting points and the momentary short circuit with the EFPCD.
Keywords
Spark; Electrical fire; Short circuit; ELB; EFPCD;
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