Technical Papers Partial Discharge On-Line Partial Discharge Testing Of Outdoor HV Plant – Applying Experiences From 10 Years Of PD Testing Indoors
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| On-Line Partial Discharge Testing Of Outdoor HV Plant – Applying Experiences From 10 Years Of PD Testing Indoors |
| Written by Lee RENFORTH, Malcolm SELTZER-GRANT, Ross MACKINLAY | |||
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The authors present a paper on the application of new technologies and techniques for the On-Line Partial Discharge (PD) testing of in-service, outdoor medium voltage plant. The techniques employed have evolved from over 10 years of experience of the authors and others in the area of On-Line PD testing of MV cables and switchgear in indoor substations. Due to the nature of outdoor equipment and the harsh environments in which it has to operate, the work described has focussed primarily on the key issues of PD pulse discrimination and noise reduction. The paper presents some real-life examples of the application of new techniques to test MV cables, switchgear, sealing ends, VTs and CTs, both indoor and outdoor. The paper concludes with some conclusions from the work carried out and provides some pointers towards how these techniques could be employed in permanent, low-cost PD monitoring solutions for outdoor MV plant in the switchyard. Download full paper here (140KB PDF)
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