Comparison of on-line and off-line PD measuring system for hydro generator stator winding

  title={Comparison of on-line and off-line PD measuring system for hydro generator stator winding},
  author={Bong-Keun Oh and Hyun-Il Kim and Dong-Sik Kang and K. Lim},
  journal={2008 International Conference on Condition Monitoring and Diagnosis},
Partial discharge (PD) is one of the most promising phenomena to utilize in detecting deterioration of high voltage rotating machine insulation. PD test can be performed either when the machine is not operating (off-line) or during normal machine operation (on-line). Off-line PD test is a well-known method to assess the stator winding insulation and on-line PD test has proven to be a successful technique of monitoring stator insulation condition. This study carried out on-line and the off-line… CONTINUE READING
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