PD Detecting Experience on Power Cable

In the past six years, we have assisted power companies in:

  • Over 30 dissections, detecting defects in cable outdoor terminals, GIS terminals, cable joints, cable bodies, protectors, etc.
  • Dissecting and verifying defects of insulation scratch, semi-conducting layer scratch, semi-conducting layer drop, metal sheath poor contact, insulation surface flashover, foreign matters on conductors, failure of protectors, etc.
  • Replacing over 30 joints and over 10km cable.
  • Detecting electrical treeing spectrogram on site.