Effect of External Interference in Partial Discharge Test - CR4 Discussion Thread

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justinanto1987 Power-User Join Date: Sep 2010 Location: Thrissur, Kerala, India Posts: 177 Good Answers: 3	Effect of External Interference in Partial Discharge Test 05/25/2011 9:13 AM
	Can anyone tell the effect of external noise when we are doing a partial discharge test. I heard that there will be some error if external interference is present.... __________________ If you can't find a way, make one........
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Carl Pugh Power-User Join Date: Jun 2009 Posts: 134 Good Answers: 11	#1 Re: Effect of external interference in Partial discharge test 05/25/2011 12:09 PM
	If there is external interference, you cannot determine if the disturbance if due to partial discharge or the external disturbance. If you are able to increase the applied voltage slowly, the external interference will usually be displayed at a low voltage and the partial discharge will appear suddenly. (Except for oil filled equipment)
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