Single service

surge arrestors

Surge Arrestors Testing

SURGE ARRESTORS

On-site Testing of the HV/EHV class Surge Arrestors

  • On-line Leakage Current measurement (LCM) based on third harmonic resistive current.
  • Capacitance and dissipation factor measurement of insulation on per stack basis
  • IR value with Polarization Index (PI) & Absorption Index (AI),