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A New Approach to On-Line Monitoring Device for ZnO Surge Arresters

Lee Bok-Hee    (Research Center for Next-generation High Voltage and Power Technology, School of Electrical Engineering, Inha University   ); Gil Hyoung-Jun    (Dept. of Electrical Engineering, Inha University   ); Kang Sung-Man    (Dept. of Electrical Engineering, Inha University  );
  • 초록

    This paper describes a new approach to the algorithm and fundamental characteristics of the device for monitoring the leakage currents flowing through zinc oxide (ZnO) surge arresters. In order to obtain a technique for a new on-line monitoring device that can be used in the deterioration diagnosis of ZnO surge arresters, the new algorithm and on-line leakage current detection device for extracting the resistive and capacitive currents using the phase shift addition method were proposed. The computer-based on-line monitoring device can sense accurately the power frequency leakage currents flowing through ZnO surge arresters. The on-line leakage current monitoring device of ZnO surge arresters proposed in this work has the high sensitivity compared to the third harmonic leakage current detection devices. As a consequence, it was found that the proposed leakage current monitoring device would be useful for forecasting the defects and degradation of ZnO surge arresters.


  • 주제어

    ZnO surge arrester .   Leakage currents .   Deterioration diagnosis .   On-line monitoring device .   Phase shift addition method .   Surge protective device.  

  • 참고문헌 (12)

    1. L.M. Faulkenberry, W. Coffer, Electrical Power Distribution and Transmission, Prectice Hall, Inc. pp.189-196, 1996 
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    3. Bok-Hee Lee and Sung-Man Kang, 'A new on-line leakage current monitoring system of ZnO Surge Arresters' Materials Science and Engineering B, accepted for publication on Dec. 2004 
    4. Bok-Hee Lee, Sung-Man Kang, Ju-Hong Eom, Tatsuo Kawamura, 'A Monitoring Device of Leakage Currents Flowing through ZnO Surge Arresters' Japanese Journal of Applied Physics, Vol.42, Pt 1, No.4A, pp.1568-1574, 2003 
    5. A. Haddad, J. Fuentes-Rosado, D. M. German, and R. T. Warwes, 'Characterisation of ZnO surge arrester elements with direct and power frequency voltages', IEE Proc., Vol.137, Pt. A, No.5, pp.269-279, 1990 
    6. T. Klein, W. Kohler, K. Feser, W. Schmidt, and R. Bebensee, 'A New Monitoring System for Metal Oxide Surge Arresters', Proc. 11th ISH, Paper 2. 302, 1999 
    7. S. Shirakawa, F. Endo, H. Kitajima, S. Kobayashi, K. Kurita, K. Goto, M. Sakai, 'Maintenance of surge arrester by a portable arrester leakage current detector', IEEE Trans. Vol.PD-3, No.3, pp.998-1003, 1988 
    8. M. Oyama, I. Ohshima, M. Honda, 'Life performance of zinc-oxide elements under DC voltage', IEEE Trans. Vol.PAS-101, No.6, pp.1364-1368, 1982 
    9. M. Matsuoka, 'Nonohmic properties of Zinc Oxide Ceramics', Japanese Journal of Applied Physics, Vol. 10, No. 6, pp.736-741, 1971 
    10. K. Sato, Y. Takada and H. Maehama, 'Electrical Conduction of ZnO Varistors under Continuous DC Stress', Japanese Journal of Applied Physics, Vol. 19, No. 5, pp.909-915, 1980 
    11. W. G. carlson, Dr. T. K. Gupta, A. Sweetana, 'A procedure for estimating the life time of gapless metal oxide surge arresters for AC application', IEEE Trans. Vol.PWRD-1, No.2, 67-74, 1986 
    12. C.A. Spellman, A. Haddad, 'A technique for on-line monitoring of ZnO arresters', Proc. 10th ISH, Vol.4, pp.148-151, 1997 

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