Abstract:Monitoring of high voltage power cables to prevent major failure is best achieved by use of continuous online monitoring. Those diagnostics able to be applied on-line are very limited in number and essentially reduce to partial discharge monitoring. This paper describes the use of on-line PD sensors to monitor a variety of operational 1 IkV cable systems and also to investigate typical PD characteristics using laboratory tests. Thc sensor used was a high frequency current transformer with bandwidth 1-100 MHz. … Show more
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