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| Wet bar detection by using water absorption detector Hee Soo Kim
The Journal of Mechanical Science and Technology, vol. 22, no. 6, pp.1163-1173, 2008
Abstract : Water leaks in water-cooled generator stator windings can generate serious accidents such as insulation breakdown
and result in unexpected sudden outages. Thus, it is important to diagnose their water absorption for effective operation
of the power plant. Especially, since the capacitance values that are measured for diagnosis are very small so special
diagnosis methods like stochastic theory are needed. KEPRI developed a more advanced water absorption detector and
diagnosis technology for it. They were applied to a real system and the results of the water absorption test for stator
windings agree with the water leak test.
Keyword :
Generator stator windings; Wet bar diagnosis; Stochastic methods; Water absorption test; Leak test
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