HOME > TESTING LABORATORIES > HIGH VOLTAGE TESTING LABORATORIES
Ultra High Voltage Laboratory
Impulse testing | |
|---|---|
Lightning impulse | 3.5 MV |
Switching impulse | 2 MV |
AC testing | |
|---|---|
Dry
| 1.5 MV, 50 Hz |
Wet
| 1.5 MV, 50 Hz |
Partial discharge & RIV testing | 1.5 MV, 50 Hz-120 Hz |
Capacitance and tan δ testing | 1.2 MV, 50 Hz-120 Hz |
High Voltage Laboratory
Impulse testing | |
|---|---|
Lightning impulse | 1.8 MV |
Switching impulse | 1.1 MV |
DC testing | |
|---|---|
Dry
| 100 kV |
Wet
| 100 kV |
AC testing | |
|---|---|
Dry
| 550 kV, 50 Hz |
Wet
| 550 kV, 50 Hz |
Partial discharge & RIV testing | 300 kV, 50 Hz |
Capacitance and tan δ testing | 550 kV, 50 Hz |
Mobile Test Equipment
Type of Source: Variable Frequency Resonant Test Unit.
Ready-to-go test trailer for on-site commissioning tests on HV underground and submarine cables and gas insulated substations. Capacity to energize cables from 45 kV to 400 kV rated voltage and maximum lengths up to 12 km ( Depending on the capacitance of the cable.). Possibility of testing higher voltage cables and longer lengths using various resonant systems through collaborative agreements with other entities.
Ratings: 260 kV, 80 A, 20-300 Hz.
Tests performed:
- Voltage withstand tests.
- Partial discharge measurement (off-line and on-line).
- Oversheath test.
- Measurement of electrical resistance of conductor and screen.
- Line impedances measurement.
- Capacitance measurement.
- Tan Delta measurement.
