Testing laboratories

High Power testing laboratories

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-circuits40 kA / 3 s
Short-circuit making and breaking16 kA / 40.5 kV // 20 kA / 36 kV // 31.5 kA / 24 kV // 40 kA / 12 kV
Making and breaking of active loadsup to 2,000 A / 40.5 kV
Making and breaking of capacitive loadsup to 100 A / 40.5 kV
Internal arc40 kA / 1 s
Power transformers 
Ability to withstand short-circuitsup to 20 MVA / 36 kV // up to 25 MVA / 24 kV
Low Voltage Switchgear 
Ability to withstand short-circuits80 kA / 1 s
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Medium Power Laboratory

The medium power laboratory is equipped with a 3-phase short circuit transformer rated at 300 MVA, 220/3÷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-circuits31.5 kA / 1 s
Making and breaking of active loadsup to 800 A / 38.5 kV
Making and breaking of capacitive loadsup to 100 A / 38.5 kV
Internal arc25 kA / 1 s
Power transformers 
Ability to withstand short-circuitsup to 15 MVA / 30 kV
Instrument transformers 
Ability to withstand short-circuits130 kA / 1 s
Low Voltage Switchgear 
Ability to withstand short-circuits130 kA / 1 s
High voltage testing laboratories

Ultra High Voltage Laboratory

Impulse testing 
Lightning impulse3.5 MV (Max. Voltage)
Switching impulse2 MV(Max. Voltage)
AC testing 
Dry1.5 MV, 50 Hz (Max. Voltage)
Wet1.5 MV, 50 Hz (Max. Voltage)
Partial discharge & RIV testing1.5 MV, 50 Hz-120 Hz (Max. Voltage)
Capacitance and tan δ
testing
1.2 MV, 50 Hz-120 Hz (Max. Voltage)

High Voltage Laboratory

Impulse testing 
Lightning impulse1.8 MV (Max. Voltage)
Switching impulse1.1 MV (Max. Voltage)
AC testing 
Dry550 kV, 50 Hz (Max. Voltage)
Wet550 kV, 50 Hz (Max. Voltage)
Partial discharge & RIV
testing
300 kV, 50 Hz (Max. Voltage)
Capacitance and tan δ testing550 kV, 50 Hz (Max. Voltage)
DC testing 
Dry100 kV (Max. Voltage)
Wet100 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.

Temperature-rise and environmental testing laboratories

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:
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.