Power Transformers

About this service

  • Insulation resistance, Tan Delta of dielectric losses tests, Absorption coefficient, DC winding resistance and short-circuit resistance measurement;
  • Determination of electrical strength of insulation
  • No-load loss measurements, transformer ratio and vector group test
  • Partial discharge measurements on high voltage electrical insulation
  • ─░nfra-red thermography diagnosis
  • Vibration analysis
  • Ultrasound acoustic analysis
  • Ultra-violet optic defectoscopy of electrical insulation
  • Polarization Index