6000 litres/hour High Vacuum
Transformer Oil Purification Machine
For Site Filtration Work
Replacement, Installation & Testing
of New Transformer at site
Maintenance Servicing & Testing of
2MVA 22KV Cast Resin Transformer
Transformer Services


Our transformer services include
  • Maintenance of cast-resin and dry-type transformers
  • Servicing of distribution and power transformers up to 300MVA, 230KV
  • Servicing of shunt reactors up to 100MVAR, 230KV
  • Renewal of gaskets for main tank, link box, HV and LV bushings, radiator fins and tap-changer compartment
  • High vacuum purification and filtration of transformer oil
  • Complete replacement of transformer mineral oil or silicon oil or silicon oil
  • Dissolved gas-in-oil analysis by the gas chromatography
  • Oil tests for acidity, water content, colour, dielectric-strength and power factor (tangent-delta)
  • Winding resistance, insulation resistance and turn-ratio tests
  • Secondary current injection tests on relays
  • Functional checks on Buchholz relay, temperature and pressure alarm and tripping devices


Transformer field service facilities

  • 6000 litres per hour high vacuum oil filter machine
  • Oil transfer pump and vacuum pump
  • Winding resistance test set
  • Winding turn-ratio test set
  • Insulation resistance test set 500V to 5000V
  • AC high potential test set
  • DC high potential test set
  • Automatic oil dielectric strength tester
  • Moisture content analyser
  • Oil acidity tester
  • Dissolved gas-in-oil chromatography
  • Primary and Secondary current injection test sets

 

Turn Ratio & Winding Resistance
Test Sets For Testing Of Transformers
A 75MVA, 66/22KV Transformer
After Servicing