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Gas-insulated switchgear ELK-3 C up to 420 kV

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Detalii

High performance ratings in a compact design

The gas-insulated switchgear ELK-3 C is the new generation ELK-3 for 420 kV, 5000 A, 63 kA designed to reduce complexity, life cycle costs and environmental impact. The compact design fits any installation environment and features convenient operation and serviceability. A single interrupter circuit breaker enables manufacturing, testing and shipment of entire bays, which reduces installation and comissioning time.

 

Brief performance data

GIS ELK-3 C  
Rated voltage [kV] 420
Rated frequency [Hz] 50/60
Rated short-duration power-frequency withstand voltage (1 min) [kV] 650
Rated lightning impulse withstand voltage (1.2/50 µs) [kV] 1,425
Rated switching impulse withstand voltage (250 / 2,500 µs) [kV] 1,050
Rated normal current – busbar / feeder [A] 4,000/5,000
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] 2,250
Ambient temperature range [°C] -30 … +55
Installation indoor / outdoor

 

Why ABB?

  • Eco-efficient, compact design based on a single interrupter circuit breaker
  • Reduces use of SF6 gas by 35 percent compared with predecessor products and features excellent gas tightness for minimum leakage
  • Reduces weight, grey energy (energy used in production) and thermal losses
  • Excellent accessibility, convenient operation
    • Small bay width of 2250 mm
    • Frontal access to drives for manual operation
    • Integrated access platform for inspection
  • Shipment of completely assembled and tested bays on flatracks reduces installation and comissioning time by 60 percent, compared with predecessor products
  • Monitoring, control, protection and communication features for smooth integration into digital substation systems using IEC 61850

Specificatii Tehnice

Disponibilitate N/A
Livrare N/A
Fisa tehnica N/A

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