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375 MW Dhuvaran Phase III Combined Cycle Power Project, Gujarat, India



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    Name of Project : 375 MW Dhuvaran Phase III Combined Cycle Power Project, Gujarat, India

    Owner : Gujarat State Electricity Corporation Limited (GSECL), India

    Client : Larsen & Toubro Limited, India

    Capacity : 375 MW

    L&T-S&L’s scope : Complete Basic and Detail engineering for EPC of entire plant

    Configuration : One (1) Siemens make Single Shaft Turbine Train  (SCC5 4000F SS)

    Key Technical Features :

    • Natural circulation Vertical HRSG by L&T
    • Siemens SGT5-4000F Gas Turbine of capacity 245 MW
    • GT/ST common generator rated 471 MVA, 20 kV
    • Siemens SST5-3000 Steam Turbine of capacity 130 MW with two cylinder (HP,IP-LP) axial exhaust
    • STG auxiliaries like Boiler Feed Pumps (BFP), Condensate Extraction Pump (CEP), DM cooling water pumps, Vacuum pumps, Heat-exchangers etc.
    • By-Pass Deaerator and axial Condensers having divided water box
    • Single EOT capacity of 370 Tonne is installed in power block building – One of India’s largest single EOT crane in power plant
    • Balance of Plant including water system with RO facilities, HVAC, firefighting, fuel Gas system etc.
    • Generator transformer – 3 phase unit, 20/235 kV, 471 MVA one of the largest 3-phase generator transformers in India
    • Power evacuation by 220 kV outdoor switchyard – 2M+1T, 7 bays
    • Switchyard control and operation by SCADA
    • ETP-RO plant & Induced draft cooling tower by L&T
    • General Civil works for complete plant

    Fuel :  Natural Gas

    Year of commissioning : 2014

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