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
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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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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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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