Experience gained with on-line partial discharge testing in power cable system

Over the last five years, DTE Engineering Technologies (USA), a subsidiary of DTE Energy has been involved in conducting online partial discharge (PD) testing on power cable systems operating at voltages from 5 to 138 kV. Online PD testing was performed on 7,500 km of both extruded and laminar power cables. This paper presents the experience gained from these tests.

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