For electrical equipment, especially high-voltage electrical equipment, insulation performance tests shall be carried out after a period of ...

Tan Delta, also called Loss Angle or Dissipation Factor (DF) testing, is a diagnostic method of testing cables to determine the quality of t...

The insulation resistance of cable is measured using a Megohmmeter. This is a simple, nondestructive method of determining the condition of ...

Partial Discharge is a localized electrical discharge that can occur at voids, gaps and similar defects in medium and high voltage cable sys...

Not long ago, kvtester and Zhejiang electric power company customers reached a cooperation, the other side purchased our company frequency t...