Gas-insulated switchgear ELK-14 C up to 245 kV
Eco-efficient and compact solution
Gas-insulated switchgear ELK-14 C is the new generation for 245 kV designed to reduce complexity, life cycle costs and environmental impact. The compact design fits any installation environment and offers convenient operation and serviceability.
Applications
- Power transmission
- Integration of renewable power generation units to the grid
- Industry applications
Why Hitachi Energy?
- Eco-efficient, small, lean three-phase enclosure with single-phase insulators
- Compact design reduces infrastructure costs and environmental impact
- Reduced weight, grey energy (energy used in production) and thermal losses
- Frontal access to drives for manual operation
- Provisions for excellent service continuity during maintenance and repair jobs
- Monitoring, control, protection and communication features for smooth integration into digital substation systems using IEC 61850
Brief performance data
| GIS ELK-14 C | |
|---|---|
| Rated voltage [kV] | 245 / 253 |
| Rated frequency [Hz] | 50 / 60 |
| Rated short-duration power-frequency withstand voltage (1 min) [kV] | 460 |
| Rated lightning impulse withstand voltage (1.2/50 µs) [kV] | 1050 |
| Rated switching impulse withstand voltage (250 / 2500 µs) [kV] | n/a |
| Rated normal current – busbar / feeder [A] | 3150 |
| Rated short circuit-breaking current [kA] | 50 |
| Rated short-time withstand current (up to 3 s) [kA] | 50 |
| Rated peak withstand current [kA] | 135 |
| Ambient temperature range [°C] | -30 … +50 |
| Installation | indoor/outdoor/offshore |
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