Distribution Transformer Laboratory

Discover various laboratories of ERDA for your testing needs

Distribution Transformer Laboratory

ERDA has state of the art distribution transformer laboratory to take up evaluation and certification of distribution transformer and its components.

Electrical Research and Development Association


  • 6 number parallel test bays to undertake Routine, Temperature rise and Special Test of Distribution Transformers
  • Facility is backed by High Voltage Impulse (1600kV, 80kJ) and Online Short Circuit laboratory (4 MVA, 33kV voltage class) to undertake requirement of dielectric and short circuit evaluation
  • Approved by BIS (Govt. of India) to undertake evaluation as per mandatory scheme of IS 1180:2014
  • Automatic test set up to test and control for the measurement of losses and temperature rise.

List of Tests at Distribution Transformer Laboratory

  • Short circuit current withstand test
  • Lightning impulse voltage / Switching impulse voltage test
  • Temperature rise test
  • Measurement of No Load loss and Load Loss
  • Separate source voltage withstand and Induced over voltage withstand test
  • Pressure and Oil Leakage Test (Routine & Type tests)
  • Measurement of Sound level, Measurement of harmonics of no load current, measurement of flux density etc.

Major Products evaluated at Distribution Transformer Laboratory

  • Distribution Transformer (up to 2.5 MVA, 33 kV voltage class)
  • Dry Type Transformer (up to 2.5 MVA, 33 kV voltage class)
  • Reactor
  • Compact Substation

For Enquiries Contact

Mr. Nagin Parmar

Account details will be confirmed via email.