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Development of Monitoring Program for Detecting Current and Voltage Signals for Series Arc  

Kim, Doo-Hyun (Department of Safety Engineering, Chungbuk National University)
Park, Jong-Young (Department of Safety Engineering, Chungbuk National University)
Kim, Sung-Chul (Department of Safety Engineering, Chungbuk National University)
Lee, Jong-Ho (Division of Fire Service Administration, Wonkwang University)
Publication Information
Journal of the Korean Society of Safety / v.25, no.2, 2010 , pp. 29-34 More about this Journal
Abstract
This paper is aimed to develop monitoring software for detecting the characteristics of current and voltage signals for series arc on electric wire. In order to attain this purpose, the characteristics of series arc were analyzed by the current and voltage signals on electric wire which were installed, and also analyzed by the changes of RMS, instantaneous of waveform value in time domain and THD in frequency domain. Monitoring program which analyze the signal was developed by Labview which can analyze in time domain and frequency domain, and save data. Experimental setup for detecting verification of monitoring program was composed loads of a lamp, an electric heater and an electric fan loads which were usually using. Measurement points for detecting verification of monitoring program were selected at both the panel board and the arc generator at the same time. As results of the experiments by monitoring program, the arc current waveform showed the same characteristic in all measurement points of all load. But the arc voltage waveform was different in each measurement point. When arc occurred, the THD of current value increased above 20%. The results of this study will be effectively used in developing the preventive system of electric fire by series arc.
Keywords
detecting arc; series arc; LabVIEW; monitoring program; waveform; THD;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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