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High frequency partial discharge measurement by metal foil electrode (박전극을 이용한 고주파 부분방전 측정 연구)

  • Kim, C.S.;Shin, D.S.;Lee, C.Y.;Kim, J.N.;Baek, J.H.;Kim, D.W.;Park, W.K.
    • Proceedings of the KIEE Conference
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    • 1999.11d
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    • pp.1081-1083
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    • 1999

  • The capacitive coupling technique has been used as conventional method for PD detection on the power cable line. Recently, however PD measurement using by high frequency is known to have an excellent sensitivity comparison with low frequency on-site. In this paper, the high frequency characteristic of two type of metal foil sensor was studied and the technique was proved to be more effective diagnostic method than conventional method for qualification of EHV cable and accessories.

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