IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Calibration of Partial Discharge Magnitude for In-service Hydro-power Generator
Toshiaki SekiMinori KakutaTomoji MinouMasaru Aoki
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2000 Volume 120 Issue 3 Pages 471-477

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Abstract
Hydro-power Generator have many Resistive Thermal Detectors (RTD) which is used to detect over heating of insulation materials for generator stator windings.
By using RTD as the coupling capacitors, In-service Partial Discharge Detection for the insulation diagnosis was studied. For the quantitative treatment of the detected partial discharge, calibration method was developed to utilize calibration data obtained at the periodical insulation diagnosis under off-service condition.
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© The Institute of Electrical Engineers of Japan
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