Online partial discharge detection in HV cables using conventional current transformers

Peer Mohamed, Faisal and Siew, Wah Hoon and Li, QM; (2008) Online partial discharge detection in HV cables using conventional current transformers. In: Proceedings of 2008 International Conference on Condition Monitoring and Diagnosis. IEEE, CHN, pp. 1250-1253. ISBN 9781424416219

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Abstract

This paper investigates the performance of conventional current transformer for online partial discharge detection in high voltage cables. It is based on the frequency response of such current transformers. The frequency behaviour was investigated using a simulation package (Powersim) by varying parameters including core permeability, stray capacitance, core material etc. Experimental investigation was also conducted on a 33KV 200/5A current transformer. Simulation and experimental results are presented and compared in this paper