Research on Characteristics of Arcing Circuit and Evaluation of Societal Cost caused by AFCI Installation

박치현,; 배석명,; 임용배,; 김기현,; 최명일,

doi:10.5207/jieie.2007.21.8.144

Journal of the Korean Institute of Illuminating and Electrical

2007

DOI: 10.5207/jieie.2007.21.8.144

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Research on Characteristics of Arcing Circuit and Evaluation of Societal Cost caused by AFCI Installation

박치현 박치현¹,

배석명 배석명²,

임용배 임용배³

et al.

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Cited by 2 publications

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Risk of Electric Arcs by Conductive Dust Accumulated on Circuit Breaker

Kim¹,

Kang²,

Kim³

et al. 2015

Journal of the Korean Society of Safety

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:In general, the causes of the electrical fire are overcurrent, short circuit, poor contact, etc. This study is aimed to recognize the risk of electric arc to prevent electrical fires due to the conductive dust accumulated on the circuit breaker. The experiment was carried out by the method that conductive metal dust collected from the field is being accumulated on the experimental electrodes with gap of 13 mm until the arc is generated. In case that arc was generated, the amount of conductive dust was measured and the thickness was calculated. This experiments was conducted by particle size. In order to distinguish particle size, mesh size(60~100, 100~150, 150~200, 200~250mesh) was classified using a sieve. As the results of experiment for each of the particle sizes, it was confirmed that there is differences in the generation of arc depending on the thickness of dust accumulated. Key Words : arc, conductive dust, electrical fire, particle size † Corresponding Author : Yang Hyun Kang, Tel:+82-42-525-3119. E-mail :kyh93412@hanmail.net Department of Safety Engineering, Chungbuk National University, 12 Gaeshin-dong, Heungduk-gu, Cheoungju Chungbuk, 361-763, Korea 서 론 2012년도 소방방재청의 전기적 요인으로 인한 발화 요인별 화재현황에 따르면 절연열화에 의한 단락23.42%, 과부하 11.4%, 접촉⋅불량에 의한 단락 9.0%, 트래킹에 의한 단락 6.9%, 압착에 의한 단락 6.4%, 누 전 4.6%, 반단선 1.4%, 층간단락1.06%, 미확인 단락 25.95%, 기타 9.2%를 차지하고 있다

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Risk of Electric Arcs by Conductive Dust Accumulated on Circuit Breaker

Kim¹,

Kang²,

Kim³

et al. 2015

Journal of the Korean Society of Safety

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A Study of Detection Algorithms and Analysis Series Arc of Quasi-arc Load

Lim¹,

Ju²,

Kang³

et al. 2014

Journal of the Korean Institute of Illuminating and Electrical

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Research on Characteristics of Arcing Circuit and Evaluation of Societal Cost caused by AFCI Installation

Cited by 2 publications

References 2 publications

Risk of Electric Arcs by Conductive Dust Accumulated on Circuit Breaker

Risk of Electric Arcs by Conductive Dust Accumulated on Circuit Breaker

A Study of Detection Algorithms and Analysis Series Arc of Quasi-arc Load

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