Gas-insulated switchgear ELK-14 up to 300 kV
The modular GIS solution
The gas-insulated switchgear ELK-14 is a versatile solution for reliable energy supply up to a rated voltage of 300 kV, a rated normal current up to 4000 A and a rated short circuit current up to 63 kA. Based on a few building blocks, the modular design offers an outstanding level of flexibility for optimizing substation layouts, both in arrangement and technical features.
Applications
- Power transmission
- Integration of renewable power generation units to the grid
- Industry applications
Why Hitachi Energy?
- High-performance ratings
- Space-saving combined disconnect/earthing switches
- Monitoring, control, protection and communication features for smooth integration into digital substation systems using IEC 61850
Brief performance data
| GIS ELK-14 | |
|---|---|
| Rated voltage [kV] | 300 |
| 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] | 1,050 |
| Rated switching impulse withstand voltage (250 / 2,500 µs) [kV] | 850 |
| Rated normal current – busbar / feeder [A] | 4,000 |
| Rated short circuit-breaking current [kA] | 63 |
| Rated short-time withstand current (up to 3 s) [kA] | 63 |
| Rated peak withstand current [kA] | 170 |
| Bay width [mm] | 1,680 |
| Ambient temperature range [°C] | -30 … +40 |
| Installation | indoor / outdoor |
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