MV / HV Power Cables Testing By Very Low Frequency (VLF) Test Method

Following Tests are carried out :

  • Offline Tests
    1.   Insulation Resistance Measurement.
    2.   AC leakage current Measurement.
    3.   Capacitance Value Measurement.
    4.   Tan delta Value Measurement upto 3Uo Voltage.
    5.   Partial Discharge Measurement upto 3Uo Voltage.
    6.   Combined Tan delta and PD Measurement to analyze and locate faulty cable.
  • Online Testing:
    Partial Discharge Measurement.