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Diagnostic testing

Better Next Year

May 12, 2017

The work presented in this paper utilizes very large data sets to compare the post-installation reliability of rejuvenation and replacement. The results shed light upon off-line partial discharge diagnostic testing. Either or both of the following propositions are true: (1) Electrical trees are rare and/or (2) rejuvenation adequately addresses electrical trees. Data to support both propositions are presented.

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LIPA

April 2, 2012

LIPA Q: I have read a paper from the conference record of the 2008 IEEE International Symposium on Electrical Insulation (ISEI) by some folks at Powertech Labs …

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Concordance of IEEE 400.2™ & Warranty

September 12, 2011

The definition of “Discouraged Diagnostic Testing” found in your warranty language does not seem to allow VLF testing in accordance with IEEE 400.2™.* In the unlikely event that a rejuvenated cable fails in service, we would want to repair the fault and test the cable with one of the approaches outlined in IEEE 400.2. Is there some reason we should not, or cannot, test using IEEE 400.2 protocols?

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Integrated Diagnostics

June 1, 2011

Integrated Diagnostics Q: My firm will consider and evaluate additional services beyond rejuvenation that will add quality or value to a requested proposal. Additional options for cable …

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