AC voltage-endurance test with partial discharge detection on 220kV cable which is 18.6km long

Test time: 2010

Test voltage: 220kV

Cable length: 18.6km

Test conclusion: Single test breakdown

        10pC partial discharge defects are detected

Dissection and verification: Traces of discharge are detected

The first voltage-endurance test with distributed partial discharge detection on high voltage cables with great length in the country: Dissecting and Verifying the Partial Discharge Defects Detected.

A paper about the case was published at the Jicable’11 international conference