Strategies for Off-Line Measurement of PD in Power Cables (Video)

Cables & Accessories

Strategies for Off-Line Measurement of PD in Power Cables
by Hein Putter

Offline PD testing is the core diagnostic for condition assessment of power cables, with a broad range of equipment vendors and service providers. Since such testing differs in test source and sensor deployment, using a combination of sensors can help obtain highest accuracy. Cost of testing versus replacement or associated cost of cable failure should also be considered. This presentation gives guidance on a level based application strategy that reflects criticality of each cable system as well as related economic and practical factors. Offline PD levels fit with individual type of cable within the network and testing to be performed on those types.

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