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A Study on Auxiliary Control Safety Apparatus for RCD Trip on Electric Arc and Spark Disasters - Using by Power Semiconductor Switching Device -  

Kwak, Dong-Kurl (한중대학교 전기전자공학과)
Shin, Mi-Young (강원대학교 방재기술전문대학원)
Jung, Do-Young (강원대학교 방재기술전문대학원)
Publication Information
Fire Science and Engineering / v.20, no.1, 2006 , pp. 71-76 More about this Journal
Abstract
The major causes of electrical fire are classified to short circuit fault, overload fault, electric leakage and electric contact failure. The occurrence factor of the fire is electric arc or spark accompanied with electrical faults. Residual Current Protective Device(RCD) of high sensitivity type used at low voltage wiring cuts off earth leakage and overload, but the RCD can't cut off electric arc or spark to be a major factor of electrical fire. As the RCDs which are applied low voltage distribution panel are prescribed to rated breaking time about 30[ms](KS C 4613), the RCDs can't perceive to the periodic electric arc or spark of more short wavelength level. To be improved on such problem, this paper is proposed to a auxiliary control apparatus for RCD trip on electric arc or spark due to electrical fire. Some experimental results of the proposed apparatus is confirmed to the validity of the analytical results.
Keywords
RCD; Earth leakage current; KS C 4613; Arc and Spark; Electrical fire;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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