Case of High Resistance Grounding Fault in 20kV Po

    Line Name: XXX Transformer Songze Line 2 # Outgoing Line

    Test location: XXXX 1 # distribution substation

    Test date: January 4th, 2021

    Cable type: YJV22-12/20kV-3 * 400

    Cable length: 953m

    The cable of this line was laid along the cable trench, and a grounding fault occurred during the operation of the line.