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http://dx.doi.org/10.4313/JKEM.2010.23.7.554

Frequency Spectrum Analysis of Series Arc and Corona Discharges  

Kil, Gyung-Suk (Division of Electrical and Electronics Engineering, Korea Maritime University)
Jung, Kwang-Seok (Division of Electrical and Electronics Engineering, Korea Maritime University)
Park, Dae-Won (Division of Electrical and Electronics Engineering, Korea Maritime University)
Kim, Sun-Jae (Division of Electrical and Electronics Engineering, Korea Maritime University)
Han, Ju-Seop (Research Institute of Industrial Technology, Korea Maritime University)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.23, no.7, 2010 , pp. 554-559 More about this Journal
Abstract
In this paper, we analyzed the frequency spectrum of radiated electromagnetic pulses generated by series arc- and corona- discharges as a basic study to develop an on-line diagnostic technique for power facilities installed inside closed-switchboards. To simulate series arc and corona discharges, five types of electrode system which consists of needle and plane electrodes were arranged. The experiment was carried out in an electromagnetic shielding room, and the measurement system consists of an ultra log antenna and an EMI receiver. From the experimental results, the frequency spectrum exists in ranges from 30 MHz to 2 GHz for a series arc discharge and 30 MHz to 1.2 GHz depending on defects for a corona discharge. The peak frequency of the series arc- and corona- discharges were 100 MHz to 160 MHz and 40 MHz to 80 MHz, respectively.
Keywords
Electromagnetic wave; Series arc discharge; Corona discharge; Frequency spectrum; Electromagnetic shielding room; Closed-switchboard;
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Times Cited By KSCI : 1  (Citation Analysis)
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