Gas-insulated switchgear ELK-04 C up to 145 kV
Reliable and compact solution
The gas-insulated switchgear ELK-04 C is the new generation ELK-04 for 145 kV designed to reduce complexity, life cycle costs and environmental impact. Its design yields eco-efficient performance, simplifies planning and installation while improving serviceability.
Applications
- Power transmission
- Integration of renewable power generation units to the grid
- Industry applications
Why Hitachi Energy?
- Eco-efficient, small, lean three-phase enclosures with single-phase insulators
- Reduces use of SF6 gas by 60 percent compared with predecessor products and features excellent gas tightness for minimum leakage
- Reduced weight
- Excellent accessibility, convenient operation
- Small bay width of 800 mm allows additional access corridors
- Frontal access to drives for manual operation
- Compact and modular design
- Provisions for excellent service continuity during any repair jobs
- Monitoring, control, protection and communication features for smooth integration into digital substation systems using IEC 61850
Brief performance data
| GIS ELK-04 C | |
|---|---|
| Rated voltage [kV] | 145 |
| Rated frequency [Hz] | 50/60 |
| Rated short-duration power-frequency withstand voltage (1 min) [kV] | 275 |
| Rated lightning impulse withstand voltage (1.2/50 µs) [kV] | 650 |
| Rated normal current – busbar / feeder [A] | 3,150 |
| Rated short circuit-breaking current [kA] | 40 |
| Rated short-time withstand current (up to 3 s) [kA] | 40 |
| Rated peak withstand current [kA] | 108 |
| Bay width [mm] | 800 |
| Ambient temperature range [°C] | -30 … +55 |
| Installation | indoor / outdoor |
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