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2x660 MW Nellore Super Critical Thermal Power Project, AP, India
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Name of Project : 2x660 MW Nellore Super Critical Thermal Power Project, Andhra Pradesh, India
Owner : NCC Power Projects Limited, Hyderabad, A.P.
Client : NCC Limited, Hyderabad, A.P.
Capacity : 2x660 MW
L&T-S&L’s scope : Complete Basic and Detail engineering services for BOP -Mechanical, Electrical & CNI, BTG - Civil (except for TG foundation), Design of 275 m high twin flue RCC Chimney and review engineering of BOP Civil
Configuration : 2x660 MW Supercritical Boiler, Turbine and Generator supplied by Harbin, China
Key Technical Features :
Coal Handling Plant
- 2x1800 TPH Belt Conveying System
- 4x1800 TPH Crusher
- 4x1800 TPH Vibrating Grizzly Feeder
- Stacker Cum Reclaimer: Stacking Capacity 3600TPH, Reclaiming Capacity 1800TPH
Ash Handling Plant
- 2x65 TPH scrapper chain conveyor arrangement for each unit Bottom Ash Handling System
- 247 TPH Fly Ash single stage pressure Conveying System for each unit
- 3x206 TPH HCSD system for bottom ash and fly ash.
- 2 Nos. of 2000T RCC Fly Ash Silos, 1 No 900T bottom ash silo
Water Treatment Plant
- 2x1200m3/hr pre-treatment plant
- 4x138m3/hr RO-I units
- 2x45m3/hr RO-II units
- 2x90m3/hr Mixed Bed unit
- 4x60kg/hr Sea water Electrolyzer
Major BOP Electrical Equipment
- 3x 1 phase, 260 MVA Generator Transformer
- Two winding UT and Three winding ST
- 160 kA,24000 A GCB and 24000 A Main IPBD 11 and 3.3 kV Switchgear,40 kA for 3 sec
Other Major Auxiliaries
- 5 Nos. Screw Compressors (35Nm3/min) with HOC type ADP
- 2 Nos. NDCT each of 80000 m3/hr capacity
- 4 Nos. CW pumps each of 40000 m3/hr capacity
- 275 meters height twin flue RCC Chimney
Fuel : Blended coal (Indian and Imported coal in ratio of 70:30)
Year of commissioning : 2016
