GE Vernova’s Gas-Insulated Lines (GIL) Dual Gas, available with SF₆ or SF₆-free with g3 gas, meet the challenges of electrical networks up to 800 kV.
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Overview
SF₆ Gas-Insulated Lines
At 420 kV, SF₆ today – Ready for g³ gas tomorrow
Ready for future SF₆ gas regulations
Anticipating future SF₆ regulations, from 2022 onwards, GE Vernova’s versatile 420-kV SF₆-GIL are fully g³-gas compatible. This dual gas equipment allows TSOs to easily switch from SF₆ to GE Vernova’s SF₆-free g³ solution in the future.
Main Characteristics
Environment friendliness
SF₆ Gas-Insulated Lines
At 420 kV, SF₆ today – Ready for g³ gas tomorrow
Ready for future SF₆ gas regulations
Anticipating future SF₆ regulations, from 2022 onwards, GE Vernova’s versatile 420-kV SF₆-GIL are fully g³-gas compatible. This dual gas equipment allows TSOs to easily switch from SF₆ to GE Vernova’s SF₆-free g³ solution in the future.
Main Characteristics
Environment friendliness
SF₆-GIL Specifications
| RATINGS | |||||
| Voltage | kV | 253 | 420 | 550 | 800 |
| Standards | 245 | IEC/IEEE | IEC/IEEE | IEC/IEEE | |
| Frequency | Hz | 245 | 50/60 | 50/60 | 50/60 |
| Withstand voltages, to earth - Short-duration power-frequency - Switching impulse - Lightning impulse | kV kV (peak) kV (peak) | 460 - 1050 | 650 1050 1425 | 740 1175 1550/1675 | 960 1550 2100 |
| Continuous current | A | 4,000 | 5,000 | 5,000/6,000 | 5,000 |
| Short-time withstand current | kA | 63 | 63 | 63 | 63 |
| Peak withstand current | kAp | 170 | 170 | 170 | 170 |
| Temperature | °C | -25/-30 | -30 | -25/-30 | -25/-30 |
g³ gas GIL Specifications
| 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) | 520 950 1175 | 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 |
Applications
420 kV SF₆ GIL - Total length: 17,000 m
550 kV SF₆ GIL - Total length: 5,900 m
420 kV SF₆ GIL - Total length: 15,000 m
420 kV SF₆ GIL - Total length: 2,500 m
245 kV SF₆ GIL - Total length: 2,100 m
362 kV SF₆ GIL in shaft (140 m high) - Total length: 900 m
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Gas-Insulated Lines
For electrical networks up to 800 kV
GE Vernova's Gas-Insulated lines (GIL) and Gas-Insulated Busbars (GIB) are field-proven to meet the challenges of electrical networks up to 800 kV for a variety of applications including distribution, transmission, power generation and heavy industry. GE Vernova has 50 years of expertise in GIL solutions and has installed more than 200 km of lines throughout the world. This experience enables the production of highly reliable GIL solutions with optimum designs and simplified installation.
Gas-Insulated Lines
For electrical networks up to 800 kV
GE Vernova's Gas-Insulated lines (GIL) and Gas-Insulated Busbars (GIB) are field-proven to meet the challenges of electrical networks up to 800 kV for a variety of applications including distribution, transmission, power generation and heavy industry. GE Vernova has 50 years of expertise in GIL solutions and has installed more than 200 km of lines throughout the world. This experience enables the production of highly reliable GIL solutions with optimum designs and simplified installation.
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SF₆-free g³ Gas-Insulated Lines
SF₆-free g³ Gas-Insulated Lines
For electrical networks up to 420 kV
Better for the grid, better for the planet
- SF₆-free with g³, GE Vernova's game changing alternative to SF₆ as insulating medium enables a reduction of 99% of global warming potential
- First-in-class gas sealing system
- g³-420 kV GIL is a dual gas busbar system also compatible with SF₆.
SF₆-free g³ Gas-Insulated Lines
SF₆-free g³ Gas-Insulated Lines
For electrical networks up to 420 kV
Better for the grid, better for the planet
- SF₆-free with g³, GE Vernova's game changing alternative to SF₆ as insulating medium enables a reduction of 99% of global warming potential
- First-in-class gas sealing system
- g³-420 kV GIL is a dual gas busbar system also compatible with SF₆.
Positive impact of 100 meters SF₆-free GIL
Calculate the CO2e reduction of my project with GE Vernova's g³ CO2 equivalent calculator
g³ gas GIL Specifications
| 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 |
Applications
NATIONAL GRID, UK - Sellindge Substation, 230 m of 420 kV GIL, 63 kA, 4000 A, The world first SF₆-free g³ GIL
SP ENERGY NETWORKS, UK - Kilmarnock Substation, 177 m of 420 kV SF₆-free g³ GIL, 63 kA, 4000 A
SSEN TRANSMISSION, UK - New Deer Substation, 1020 m of 420 kV GIL, 40 kA, 4000 A, The longest SF₆-free g³ GIL in operation
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