Siah Bisheh pumped storage power plant

Project Info
  • Client: Iran Water & Power Resources Development Co.
  • Main Contractor: Farab
  • Location: Mazandaran, Iran
  • Scheme: EPC
  • Scope: Electromechanical & hydromechanical equipment
  • Progress: Completed
  • Specification:
    • Capacity: 1,000 MW (4 Units of 250 MW)
    • Type of power house: Underground
    • Average annual power generation: 152.3 GWh
    • Main equipment:
      • Turbine: Vertical Francis pump-turbine with capacity of 260 MW in turbine situation and 235 MW in pump situation, 700 tons each
      • Generator/ Motor: Motors with capacity of 300 MVA in generator situation and 290 MVA in motor
        situation, 500 rpm
      • Inlet valve: Spherical, 2.5 m inner outlet diameter
      • Governor: Digital PLC (electrohydraulic) governors, 60 bar
      • Generator busduct: Isolated phase busducts, 18 KA
      • Transformer: Single phase step up Transformers, 100 MVA
      • Crane: Two power house main cranes, 210 tons each

Role of Farab Equipment Manufacturing Co.

  • Material Supply and Local Manufacturing Management of:
    • Pump-turbine (Draft tube, pit liner, spiral case, stay ring, bottom ring, head cover, operating ring, wicket gate & lever, Shaft)
    • Motor generator (Upper and lower bracket, stator frame, rotor hub, rotor rim sheet, air and oil cooler, tools)
    • Governor pressure vessel and hydraulic piping system

Role of Farab Construction Co.

  • Installation of electromechanical & hydromechanical equipment, precommissioning and commissioning

Role of Farab Operations and Maintenance Co.

  • Power plant operation, maintenance and repair

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