Journal of Electrical Engineering and Technology

  • 제7권6호
  • /
  • Pages.977-982
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  • 2012
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  • 1975-0102(pISSN)
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  • 2093-7423(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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Analysis of Partial Discharge Inception Voltages for the Wrong Positioning Defects in the Joint of Distribution Power Cables

  • Kim, Jeong-Tae (Dept. of Electrical and Electronic Engineering, Daejin Univerity) ;
  • Kim, Dong-Uk (Dept. of Electrical and Electronic Engineering, Daejin Univerity) ;
  • Lee, Young-Jo (Dept. of Electrical and Electronic Engineering, Hanyang Univerity) ;
  • Koo, Ja-Yoon (Dept. of Electrical and Electronic Engineering, Hanyang Univerity)
  • 투고 : 2011.11.23
  • 심사 : 2012.06.29
  • 발행 : 2012.11.01
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초록

In order to find out partial discharge (PD) phenomena in the cable joint due to the poor workmanship during the installation, the relationship between PD inception voltages and joint defects was investigated. For the purpose, in the joint of 22.9kV CNCV cables, electric fields were calculated for various semiconductive layer wrong positioning (WP) defects. And, PDIV were investigated through the experiments and compared with the results of electric field analysis. In all WP defect cases, the PD inception field calculated using measured PDIVs was similarly shown to be the average value of 1.84kV/mm. In addition, the calculated PDIV and the measured PDIV were almost equal, from the PDIV calculation using maximum electric fields and the measured PDIV for the normal case. Throughout this study, it is possible to analyze WP defects due to the poor workmanship and to establish better joint design for the distribution grade extruded cable system.

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참고문헌

  1. Ja-Yoon Koo, Jeong-Tae Kim, Yun-Ok Cho, Sang- Joon Kim, Il-Keun Song, "An Experimental Investigation of the After Laying Test employable to 22.9 kV CN/CV Power Cables using Oscillating Wave Voltage", The Transactions of Korean Institute of Electrical Engineers, Vol. 47, No. 4, pp. 503-510, 1998 (Korean)
  2. C. Aucourt, W. Boone, W. Kalkner, R. D. Naybour, F. Ombello, "Recommendations for a New After laying Test Method for High Voltage Cable Systems", CIGRE 1990 Session, 21-105, 1990
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  7. M. Nagao, N. Hozumi, K. Kawakami, K. Nagahama, T. Iwasaki, Y. Muramoto, T. Tanaka, "Development of model specimen for evaluating insulation properties and partial discharge phenomena of polymeric solid - solid internal interface", 2003 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, pp.633-636, 2003
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피인용 문헌

  1. Neural network based diagnosis of partial discharge defects patterns at XLPE cable under DC stress vol.99, pp.1, 2017, https://doi.org/10.1007/s00202-016-0395-0