High Voltage Laboratory
ERDA has 2 no. High Voltage Laboratories to take up evaluation and certification of medium and high voltage components used in electric infrastructure.
Electrical Research and Development Association
02
HV Lightning Impulse test
HV Switching Impulse test
HV Dry / Wet Power frequency test
Capacitance and Tan delta measurement
Partial discharge measurement
Insulation Resistance / Polarization index
RIV, Corona measurement
Multiple Chopped Impulse Test on Instrument Transformer ( 600 Shots)
Steep Wave Front Test
1000 Hours Tracking & Erosion Test
5000 Hours Multi Stress Test
HV Calibration, CT/PT Calibration, Measurement of Earthing system
Major Facility at High Voltage Laboratory
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Infrastructure
- Impulse Generator: 2400 kVp, 120 kJ - 1 no. & 1600 kVp, 80 kJ – 2 no. & 800 kVp, 40 kJ – 1 no.
- High Voltage Transformer: 900 kVrms (3 Amp) , 700 kVrms (0.5 Amp) & 600 kVrms (0.5 Amp)
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Power & Distribution Transformers
Instrument Transformers
Insulators, Bushings, Isolators
HV Switchboards & HV Circuit Breakers
Transmission Line Hardware
HT Cables, Cable Joints & Accessories
LT/HT Capacitors
Lightning Arrester’s Housing / Lightning Arresters
Transformer Tap Changers
Major Products evaluated at High Voltage Laboratory
Contact Person
Ms. Bhoomi Patel
Head of Section
bhoomi.patel@erda.org