HV/MV Equipment
Gas-Insulated Lines

Grid Solutions > HV/MV Equipment > Gas-Insulated Substations > Gas-Insulated Lines

  
Gas-Insulated Lines
For electrical networks up to 800 kV

GE's Gas-Insulated lines (GIL) 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 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.

In addition to high reliability, GE's GIL solutions are environmentally friendly using g3, an SF6-free option with a 98% global warming potential reduction. These solutions also feature one of the lowest gas weights on the market and a first-in-class gas sealing system. A full digital monitoring system allows the GIL solutions to be readily integrated into the smart grid.

Characteristic
Specifications
Applications

Customer Benefits

Customer Benefits


Main Characteristics

Environment friendliness
  • SF6-free option with g3
  • Lowest gas weights on the market
  • First-in-class gas sealing system
Reliable experience
  • Design grounded with 50 years of experience
  • Superior know-how based on more than 200 km of GIL installed worldwide

 

Short site works
  • Optimum design
  • Easy installation
Smart grid features
  • Full-digital monitoring

Specifications

RATINGS          
Voltage kV 253 420 550 800
Withstand voltages, to earth
- Short-duration power-frequency
- Switching impulse
- Ligtning 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 5,000/6,300 5,000
Short-time withstand current kA 63 63 63 50
Peak withstand current kAp 170 170 170 135

Applications

420 kV GIL - total length: 17,000 m
420 kV GIL - total length: 17,000 m
550 kV GIL - total length: 5,900 m
550 kV GIL - total length: 5,900 m
245 kV GIL - Total length: 2,100 m
245 kV GIL - Total length: 2,100 m
420 kV GIL - total length: 15,000 m
420 kV GIL - total length: 15,000 m
420 kV GIL - total length: 2,500 m
420 kV GIL - total length: 2,500 m
362 kV GIL - total length:900 m
362 kV GIL in vertical shaft (140m high) - total length: 900 m