HV/MV Equipment
Gas-Insulated Lines
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Gas-Insulated Lines
SF₆-free g³ Gas-Insulated Lines
For electrical networks up to 420 kV Better for the grid, better for the planet
Field-proven experience
Smart grid features
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Calculate the CO2e reduction of my project with GE's g3 CO2 equivalent calculator
| RATINGS | |||
| Voltage | kV | 362 | 420 |
| Standards | IEC/IEEE | IEC/IEEE | |
| Frequency | Hz | 50/60 | 50/60 |
| Withstand voltages, to earth - Short-duration power-frequency - Switching impulse - Lightning impulse |
kV kV (peak) kV (peak) |
650 1050 1425 |
650 1050 1425 |
| Continuous current | A | 4,000/5,000 | 4,000/5,000 |
| Short-time withstand current | kA | 63 | 63 |
| Peak withstand current | kAp | 170 | 170 |
| Temperature | °C | -30 | -25/-30 |
NATIONAL GRID, UK - Sellindge Substation
230 m of 420 kV GIL, 63 kA, 4000 A
The world first SF₆-free g³ GIL
SSEN TRANSMISSION, UK - New Deer Substation
1020 m of 420 kV GIL, 40 kA, 4000 A
The longest SF₆-free g³ GIL in operation
SP ENERGY NETWORKS, UK - Kilmarnock Substation
177 m of 420 kV SF₆-free g³ GIL, 63 kA, 4000 A
