High Power Laboratory
The high power laboratory is equipped with a short circuit generator rated at 2,500 MVA (3-phase) that can operate at 50 and 60 Hz. The max. voltage output is 41.5 kV and max. current 40 kA / 3 s (MV) and 80 kA / 1 s (LV).
| High Voltage Switchgear | |
|---|---|
| Ability to withstand short-circuits | 40 kA / 3 s |
| Short-circuit making and breaking | 16 kA / 40.5 kV // 20 kA / 36 kV // 31.5 kA / 24 kV // 40 kA / 12 kV |
| Making and breaking of active loads | up to 2,000 A / 40.5 kV |
| Making and breaking of capacitive loads | up to 100 A / 40.5 kV |
| Internal arc | 40 kA / 1 s |
| Power transformers | |
|---|---|
| Ability to withstand short-circuits | up to 20 MVA / 36 kV // up to 25 MVA / 24 kV |
| Low Voltage Switchgear | |
|---|---|
| Ability to withstand short-circuits | 80 kA / 1 s |
Medium Power Laboratory
The medium power laboratory is equipped with a 3-phase short circuit transformer rated at 300 MVA, 220/3Ć·38 kV and 50 Hz. The max. voltage output is 38.5 kV and max. current 31.5 kA / 1 s (MV) and 130 kA / 1 s (LV).
| High Voltage Switchgear | |
|---|---|
| Ability to withstand short-circuits | 31.5 kA / 1 s |
| Making and breaking of active loads | up to 800 A / 38.5 kV |
| Making and breaking of capacitive loads | up to 100 A / 38.5 kV |
| Internal arc | 25 kA / 1 s |
| Power transformers | |
|---|---|
| Ability to withstand short-circuits | up to 15 MVA / 30 kV |
| Instrument transformers | |
|---|---|
| Ability to withstand short-circuits | 130 kA / 1 s |
| Low Voltage Switchgear | |
|---|---|
| Ability to withstand short-circuits | 130 kA / 1 s |
Ultra High Voltage Laboratory
| Impulse testing | |
|---|---|
| Lightning impulse | 3.5 MV (Max. Voltage) |
| Switching impulse | 2 MV(Max. Voltage) |
| AC testing | |
|---|---|
| Dry | 1.5 MV, 50 Hz (Max. Voltage) |
| Wet | 1.5 MV, 50 Hz (Max. Voltage) |
| Partial discharge & RIV testing | 1.5 MV, 50 Hz-120 Hz (Max. Voltage) |
| Capacitance and tan Ī“ testing | 1.2 MV, 50 Hz-120 Hz (Max. Voltage) |
High Voltage Laboratory
| Impulse testing | |
|---|---|
| Lightning impulse | 1.8 MV (Max. Voltage) |
| Switching impulse | 1.1 MV (Max. Voltage) |
| AC testing | |
|---|---|
| Dry | 550 kV, 50 Hz (Max. Voltage) |
| Wet | 550 kV, 50 Hz (Max. Voltage) |
| Partial discharge & RIV testing | 300 kV, 50 Hz (Max. Voltage) |
| Capacitance and tan Ī“ testing | 550 kV, 50 Hz (Max. Voltage) |
| DC testing | |
|---|---|
| Dry | 100 kV (Max. Voltage) |
| Wet | 100 kV (Max. Voltage) |
Mobile Test Equipment
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.
- 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.
Temperature-Rise Laboratory
High-continuous current up to 12 kA / 3-phase (50 Hz/60 Hz) for temperature rise tests. Temperature-rise tests can be carried out at ambient or high temperature in large climatic chambers. 2 test bays for testing of all kind of industrial LV equipment and MV switchgear, cables, transformers, etc.
Dimensions of Main Test Bay: 12 m length x 5 m width x 15 m height.
Dimensions of Secondary Test Bay: 15 m length x 6 m width x 10 m height.
Environmental Laboratories
Large climatic chambers:
- Chamber 1 (4.2 m length x 3.0 m width x 2.6 m height): Temperature: -45 to 85 ĀŗC; Humidity 10 to 98 %.
- Chamber 2 (5.5 m length x 4.0 m width x 4.0 m height): Temperature: -25 to 70 ĀŗC.
Salt fog chamber (2.5 m length x 2.5 m width x 1.5 m height) for testing of polymeric HV insulators according to IEC 62217.
Dust, salt spray corrosion chambers.
1 chamber for UV test on silicon rubbers of composite insulators.
1 chamber for flammability tests on insulating materials.
