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2x660 MW Chhabra Super Thermal Power Project, Rajasthan, India



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    Name of Project : 2x660 MW Chhabra Supercritical Thermal Power Project, Rajasthan, India

    Owner : Rajasthan Rajya Vidyut Utpadan Nigam Limited, India (RRVUNL)

    Client : Larsen & Toubro Limited, India

    Capacity : 2x660 MW (Supercritical)

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

    Configuration :

    • Two (2) L&T-MHPS make Boilers
    • Two (2) L&T-MHPS make Steam Turbine Generators (STGs)

    Key Technical Features :

    • Supercritical Boilers with vertical water walls and internal rifle tubes simpler in construction having lower pressure drop. Furnace designed for lower slag deposition and lower NOx fuel firing system
    • STG of capacity 660 MW each consists of one combined HP/IP and two (2) LP cylinders, tandem –compound quadruple exhaust, condensing reheat turbine designed for high operating efficiency and maximum reliability
    • STG auxiliaries like Boiler Feed Pumps (BFP), Condensate Extraction Pump (CEP), DM cooling water pumps, Vacuum pumps, heat-exchangers etc.
    • Deaerator with stork design, HP/LP Heaters
    • L&T make dual pressure once through type Condensers having divided water box
    • Metallic casing type cooling water and auxiliary cooling water pumps
    • Two (2) L&T Make 185 m high Natural Draft Cooling Tower
    • 275 m High twin flue brick chimney
    • Complete Balance of Plant viz. HVAC system, firefighting system, fuel oil system, ash handling system, coal handling system, water system, compressed air, mill reject system, Electro-chlorination, tanks, hydrogen generation plant etc.

    Fuel :  Blended coal (Indian and Imported coal in ratio of 70:30)

    Year of commissioning : 2017

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