Karoun 3 hydro power plant

Project Info
  • Client: Iran Water & Power Resources Development Co.
  • Main Contractor: Farab
  • Location: Khuzestan, Iran
  • Scheme: EPC
  • Scope: Electromechanical & hydromechanical equipment
  • Progress: Completed
  • Capacity: 2,000 MW (8 Units of 250 MW)
  • Type of power house: Underground
  • Average annual power generation: 4137 GWh
    • Main equipment:
    • Turbine: Vertical Francis, 187.5 rpm, 700 tons each
    • Generator: Synchronous type, 15.75 KV
    • Butterfly valve: 5.2 m inner outlet dimameter, 285 tons each unit
    • Governor: Digital type with digital backup governors, 75 bar
    • Busduct: 3 km generator busduct and 1 km SF6 400 KV
    • Transformer: Single phase step up transformers
    • Crane: Two power house main cranes, 300 tons each
    • Hydro Mechanical Equipment (12000 tons):
    • Service spillway: 2 radial gates and 6 stoplogs (550 tons), one gantry crane and hoist
      servomotor
    • Orifice spillway: 2 radial and 2 sliding gates (1145 tons) with hoist servomotors and steel lining
      (3200 tons)
    • Flow compensation outlet: 3 hollow cone valves (70 tons), 2 sliding and 2 bulkhead gate (100
      tons), one gantry crane for bulkhead gate and one under-hung crane
    • Deck: 24 stoplogs (600 tons), 48 trash racks (460 tons) and one gantry crane
    • Gate gallery: One bulkhead and 4 sliding gates with hoist servomotors (300 tons) and one
      overhead crane
    • Tailrace: 12 stoplogs (360 tons) and one gantry crane
    • Steel lining
    • Penstocks

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