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.
- 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
|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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