The laboratory is specially designed for test and evaluation of products up to 765 kV system voltage.

The Laboratory is accredited by the National Accreditation Board for Testing and Calibration Laboratories, Government of India conforming to ISO / IEC 17025 with competent facilities, systems, and personnel.

The insulator string with metal fittings subjected to
Extra High Voltage tests.

The insulator string with metal fittings subjected to
Extra High Voltage tests.

Polymer double string transmission line insulators under
Extra High Voltage performance tests.

2000 kV Impulse Voltage Generator in the Extra High Voltage Laboratory with impulse voltage measurement dividers.

Isolator under performance evaluation for dry and wet power frequency voltage.

Two stage cascaded 800 kV power frequency test transformer in the Extra High Voltage Laboratory.

The Laboratory fully equipped for mechanical performance evaluation including tensile, compressive and torsional tests
on insulators and other products.

11 kv Special PTFE tube undergoing power frequency voltage tests

420 kv power connector under corona and RIV test

765 kv power connectors undergoing corona test

Circular epoxy bushing under lightning impulse voltage test

Epoxy bushing under lightning impulse test

Epoxy bushing under lightning impulse voltage test

Load Break Switch undergoing voltage tests

On load tap changer undergoing power frequency voltage test

OnLoad tap changer undergoing voltage tests