Online Partial Discharge Testing of HV Cable: Single Test Vs Feeder Mapping

Online Partial discharge testing of HV cables is a fundamental tool for understanding the condition of underground HV cables within a distribution network. However, people will often test and analyze single HV cables in isolation, without considering the configuration of the network as a whole. Through practical testing, EA Technology has shown that the ideal practice for online testing of HV cables is to map an entire feeder, not just testing individual cables.

This article was published in Transmission & Distribution Australia October-November 2022 magazine issue