Transactions on Electrical and Electronic Materials

  • 제8권3호
  • /
  • Pages.143-146
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  • 2007
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  • 1229-7607(pISSN)
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  • 2092-7592(eISSN)
한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
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A Study on Synthetic Failure-finding Method for Electrical and Thermal Degradation of Polymer Insulator by Surface Discharge

  • Lee, Kang-Won (Bimodal Transportation Research, Center, KRRI) ;
  • Jang, Dong-Uk (Bimodal Transportation Research, Center, KRRI) ;
  • Park, Cheol-Hyun (School of Electrical and Computer Engineering, Chungbuk National University)
  • 발행 : 2007.07.26
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초록

Polymer insulators are used widely in variable fields for high voltage insulation and separating people from high voltage charging parts for safety and also supporting overhead power line in electric railway. But it may be broken down by tracking path resulting from continuous surface discharge. This paper has investigated synthetically both the characteristics of electrical aging using precision CT(current transformer) and the thermal aging using thermography method. Electrical aging was analyzed for time-frequency region and thermal aging was illustrated by image processing method. This synthetic method may be an appropriate one to evaluate the surface degradation of polymer insulator.

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참고문헌

  1. C.- Y. Kim, J. Y. Kim, I. K. Song, and B.-S. Lee, 'Characteristic analysis of suspension insulators for distribution line', J. of KlEEME(in Korean), Vol. 13, No.3, p. 259, 2000
  2. J.-J. Park, I.-H. Choi, and J.-B. Kim, 'Diagnosis technigue of surface contamination degree for EPDM insulator according to variation of environment condition', J. of KIEEME(in Korean), Vol. 17, No. 10, p. 1132, 2004
  3. H.-G. Cho, D.-Y. Lee, D.-H. Han, S.-H. Kang, I.-H. Choi, and K.-J. Lim, 'Tracking performance test of polymer insulator with salt solution which is added surface active agent', J. of KlEEME(in Korean), Vol. 18, No.1, p. 62,2005
  4. V. M. Moreno and R. S. Gorur, 'Effect of long term corona on non-ceramic outdoor insulator housing materials', IEEE Trans. on Dielectrics and Electrical Insulation, Vol. 8, p. 117,2001
  5. P. H. Gleichauf, 'Electrical breakdown over insulators in high vacuum', J. Appl. Phys., Vol. 22, p. 766, 1951
  6. M. J. Kofoid, 'Phenomena at the metal-dielectric junctions of HV insulators in vacuum and magnetic field', Trans. Am. Inst. Elect. Eng., Vol. 79, p. 991, 1960
  7. B. Pinnangudi, R. S. Gorur, and A. J. Kroese, 'Quantification of corona discharges on nonceramic insulators', IEEE Trans. Electr. Insul., Vol. 12, p. 513,2005 https://doi.org/10.1109/TDEI.2005.1453456
  8. T. Asokan and T. S. Sudarshan, 'Streak photography of the dynamic-electrical discharge behavior on insulator surfaces in vacuum', IEEE Trans. Electr. Insul., Vol. 28, p. 101, 1993