Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- 1994.07b
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- Pages.1526-1529
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- 1994
Evaluation of On-Line Partial Discharge Measurement Techniques on Hydro-Generator
수력 발전기의 운전중 부분방전 측정기법에 대한 신뢰성 평가
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Hwang, D.H.
(Korea Electrotechnology Research Institute) ;
- Kim, J.B. (Korea Electrotechnology Research Institute) ;
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Kim, Y.J.
(Korea Electrotechnology Research Institute) ;
- Park, M.S. (KEPCO Research Center) ;
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Kim, T.S.
(KEPCO Research Center)
- Published : 1994.07.21
Abstract
In hydro-generator, a groundwall insulation of stator windings gradually deteriorates due to mechanical, thermal, electrical and environmental stresses. These stresses combine to result in loose windings, delamination of the stator insulation and/or electrical tracking of the end winding, all of which can lead to stator insulation failures. Conventionally, off-line tests such as partial discharge measurement, DC/AC current test and
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