Partial Discharge Testing

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HAAGMAN Participant Join Date: Sep 2010 Posts: 2	Partial Discharge Testing 09/02/2010 4:57 PM
	Can someone please help me? The company that I work for owns a Ldic PD Smart Partial Discharge test equipment which is driven by a Doble M4000. Our technicians have no problems with performing the tests, the problem that I have is that I have to write the reports & need someone to explain to me "How do I interprate the test results"? Looking at the paterns I need to know what the result is telling me, is there discharge within the windings & where is this discharge is taking place, such as in the slot, on the end winding, within the coil etc. I know that the PD test results can reveal that there are numerous faults in different areas of the winding, see example test result attached. I need to know what I am writting in the report as these reports are given to engineers.
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TonyS Guru Join Date: Aug 2010 Location: Resting under the Major Oak Posts: 4347 Good Answers: 181	#1 Re: Partial Discharge Testing 09/02/2010 5:36 PM
	If the technicians understand the reports why not get them to write them? __________________ The reports of my death are greatly exaggerated.
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HAAGMAN Participant Join Date: Sep 2010 Posts: 2	#2 In reply to #1 Re: Partial Discharge Testing 09/02/2010 7:44 PM
	The technicians dont understand the reporting side either, they have only been trained on how to perform the tests.
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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 32175 Good Answers: 839	#5 In reply to #2 Re: Partial Discharge Testing 05/24/2023 7:38 AM
	Well, there must be an explanation that has been written for the <...tests...>, which is called a Test Protocol or a Test Procedure. Otherwise, the test is only a measurement. Clearly <...The technicians...> require more training. __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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TonyS Guru Join Date: Aug 2010 Location: Resting under the Major Oak Posts: 4347 Good Answers: 181	#3 Re: Partial Discharge Testing 09/03/2010 8:12 AM
	If your company have invested in the test equipment surely investment in training should have gone along with it. It must impress your clients when you give test results on their machine saying "yes there's something wrong, but we don't know what" My reaction if I asked you to perform the tests on a machine of mine would be "gross incompetence". There's no point having the test facility if you can't use it! __________________ The reports of my death are greatly exaggerated.
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PeterT Guru Join Date: May 2010 Location: Liverpool, NY Posts: 961 Good Answers: 131	#4 Re: Partial Discharge Testing 09/03/2010 9:34 AM
	LDIC is part of Doble Engineering, and I know that Doble is very good about providing technical support for their clients (which you must be if you have an M4000). Doble usually will do training for their products at minimal cost for clients, and will also provide interpretation of test results. Have you submitted this to your Doble client engineer? That's what you pay Doble big bucks for! __________________ To get the right answers, first you need to ask the right questions.
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HAAGMAN (1); PeterT (1); PWSlack (1); TonyS (2)

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