Test Facilities are available for Current Transformers up to 765kV, 6000A and Potential Transformers up to 132 kV class. Test facilities for routine tests pertains to metering, protection and PX class current transformers are available.
Accuracy test facility on Potential transformer can be conducted upto 132kV system as per National and International Standards. Standard Potential Transformer of rating 66 kV with primary tap of 3.3 - 6.6 - 7.2 – 11 – 12 - 13.8 – 15 – 22 – 24 – 33 - 66 kV and secondary voltage of 190-110-110/√3-110/3 V has been added.  Also, 200 kV Electronic Potential Divider system along with Standard capacitor is available.