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http://dx.doi.org/10.7731/KIFSE.2017.31.4.111

Study on the Risk Analysis of Complex Electrical Fire by the Partial Disconnection and Tracking  

Park, Sang-Min (Department of Fire and Disaster Protection Engineering, Hoseo University)
Kim, Si-Kuk (Department of Fire and Disaster Protection Engineering, Hoseo University)
Publication Information
Fire Science and Engineering / v.31, no.4, 2017 , pp. 111-118 More about this Journal
Abstract
The present paper is a study on the risk analysis of complex electrical fire by the partial disconnection and tracking. First, in order to analysis the single cause of electrical fire risk by the partial disconnection, the thermal characteristic has been measured by the change in the number of strands and the rated current of a wire. And then, in order to analysis the electrical fire risk by complex cause, an experiment on the accelerated tracking has been carried out in a condition of partial disconnection and confirmed the fire relation between partial disconnection and tracking. From the experiment, if the partial wire disconnection acts as a single cause, the existing thermal characteristics generated by the flowing current has appeared more clearly by the increase in the flowing current due to the complex action of tracking. Accordingly, the disconnection of strands has appeared by the complex cause due to the drastic temperature increase which was not generated in the single cause. Namely, it has been confirmed that if the partial disconnection and tracking act complexly rather than the risk of electrical fire by the existing partial disconnection, relatively its risk has been increased in large.
Keywords
Partial Disconnection; Tracking; Complex Electrical Fire; Thermal Characteristics; Fire Risk;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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1 Ministry of Public Safety and Security, "National Fire Information Center E-Fire Statistics" (2012-2016).
2 S. W. Jee, S. K. Kim and C. H. Lee, "The Thermal Characteristics of Partially Disconnected Wire Happened in Plug", Journal of the Korean Institute of Illuminating and Electrical Installation Engineers, Vol. 25, No. 4, pp. 104-110 (2011).
3 C. H. Lee, K. J. Ok, S. K. Kim and S. W. Jee, "A Study on the Tracking Characteristics of Contaminated Insulating Materials of RCD", Journal of Korean Institute of Fire Science & Engineering, Vol. 22, No. 5, pp. 67-71 (2008).
4 D. S. Gum, "A Study on the Electrical Fire Hazard by Poor Contact and Tracking of the Terminal Block", The Graduate School of Hoseo University, Academic Thesis, pp. 1-68 (2015).
5 S. K. Kim, D. S. Gum and C. H. Lee, "A Study on the Electrical Fire Risk of Terminal Block Due to Single and Composite Cause", Fire Science and Engineering, Vol. 29, No. 5, pp. 57-66 (2015).   DOI
6 D. H. Kim, S. C. Kim, J. H. Lee, J. Y. Park, Y. H. Park and H. J. Lee, "Analysis of Thermal Characteristics for the Fire Risk Assessment According to Partial Disconnection on the VCTF and IV Electric Wire", Journal of the Korean Society of Safety, Vol. 23, No. 4, pp. 47-52 (2008).
7 Y. S. Lee, "Temperature Characteristics Analysis of Heat-resistant PVC Insulated Wire According to the Breaking Degree" The Graduate School of Hanbat University, Academic Thesis, pp. 1-69 (2015).
8 S. C. Kim and D. H. Kim "Analysis for the Thermal Properties of the Electrical Wire According to Overload and Disconnection", Journal of the Korean Society of Safety, Vol. 22, No. 4, pp. 26-31 (2007).
9 G. O. Choi, "A Study on the Tracking Characteristics and Prevention from Fire of Tracking for ELBs (Earth Leakage Breakers)", The Graduate School of Seoul National University of Science & Technology, Master's Degree Thesis, pp. 6-10 (2012).
10 N. K. Park, "The Electrical and Morphological Characteristics for an Organic Insulating Material Surface in the Tracking Process", The Graduate School of Sungkyunkwan University, Doctor's Degree Thesis, pp. 8-11 (2007).
11 KS C IEC 60112, "Methods for Determining the Comparative and the Proof Tracking Indices of Solid Insulating Materials Under Moist Conditions" (2010).