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CCGT Plant Equipment, 3 Modules, 750MW Each, 50 Hz

CCGT Plant Equipment, 3 Modules, 750MW Each, 50 Hz

Description

  1. Power Block Equipment Overview
    1. Power block equipment for 50 Hz gas based combined cycle power plant
    2. Quantity: 2 sets
  2. Item 001: Gas Turbines with Mandatory Spare Parts
    1. Manufacturer: GE
    2. Model: MS9001-FA
    3. Year: 2010
    4. Quantity: 2
  3. Item 002: Steam Turbine and Auxiliaries
    1. Manufacturer: GE
    2. Model: D11
    3. Year: 2011
    4. Quantity: 1
  4. Item 003: Heat Recovery Steam Generators and Auxiliaries System
    1. OEM: M/S CMI-EPTI, USA
    2. Year: 2011
    3. Quantity: 2
  5. Item 004: Condenser and Auxiliaries
    1. Year: 2011
    2. Quantity: 1
  6. Electrical Equipment and Systems
    1. Item 005: Gas turbine generator
    2. Rating: 15.75 kV/400 kV
    3. Brand: M/S Hyundai
    4. Year: 2011
    5. Quantity: 2
    6. Item 006: Steam turbine generator
    7. Rating: 15.75 kV/400 kV
    8. Brand: M/S Hyundai
    9. Year: 2011
    10. Quantity: 2
    11. Item 007: Generator circuit breaker
    12. Brand: ABB
    13. Year: 2011
    14. Quantity: 3
    15. Item 008: Unit auxiliary transformers
    16. Brand: AREVA
    17. Rating: 15.75/6.6 kV
    18. Year: 2011
    19. Quantity: 3
  7. Technical Information Document for 750 MW Combined Cycle Power Plant Equipment – Part A: Gas Turbine Generator
    1. Gas turbine generator systems overview
    2. Gas turbine: MS9001(FA) supplied by General Electric (GE), single shaft, bolted rotor with generator connected at compressor or cold end, axial exhaust optimal for combined cycle
    3. Compressor section: 18-stage axial flow compressor with modulating inlet guide vanes, interstage air extraction for cooling, sealing, and surge control
    4. Compressor rotor: forward stub shaft with stage zero blades, blade and wheel assembly for stages 1-16, aft stub shaft with stage 17 blades, blades inserted into broached slots
    5. Compressor blade design: airfoil shaped, designed for high blade tip velocities, made from corrosion resistant material
    6. Compressor stator: inlet casing, compressor casing, and compressor discharge casing
    7. Compressor casing: contains stages zero through 12, extraction ports for bleeds and cooling air
    8. Compressor discharge casing: contains 13th through 17th stage stators and exit guide vanes, supports first-stage turbine nozzle and combustion components, air extracted for fuel system purge, inlet bleed heat, compressor surge control, and inlet filter pulse cleaning
    9. Turbine section: three-stage, converts hot pressurized gas to mechanical energy, includes turbine rotor, shell, exhaust frame, diffuser, nozzles, diaphragms, stationary shrouds, and number 2 bearing assembly
    10. Turbine rotor: forward shaft, three turbine wheels, two spacer wheels, aft shaft with number 2 bearing
    11. Turbine bucket design: first-stage uses forced air convection cooling with serpentine passages, second-stage cooled via radial holes by shaped tube electromechanical machining, third-stage uncooled
    12. Turbine stator: turbine shell and exhaust frame, horizontally split for maintenance
    13. Turbine shell: provides internal support and positioning of shrouds and nozzles, includes borescope ports
    14. Exhaust frame: bolted to aft flange of turbine shell, outer and inner cylinder interconnected by radial struts, supports number 2 bearing
    15. Turbine nozzle design: three stages of stationary blades, air cooling to all three stages, first and second stages use film, impingement, and convection cooling, third stage uses convection only
    16. Bearings: two radial bearings and one dual direction thrust bearing, located in two housings (inlet and center of exhaust frame), pressure lubricated by main lubrication oil system
    17. Combustion system: reverse flow, multi-chamber can annular design, chambers arranged around compressor discharge casing, connected by crossfire tubes
    18. Dry low NOx (DLN) combustor: DLN 2+, single stage, multi-mode, capable of operation with natural gas
    19. Combustion liners: cylindrical, discharge air flows along outside guided by flow sleeve, backside cooling, thermal barrier coatings applied
    20. Transition pieces: direct hot gases from liners to turbine nozzles, circular inlet, annular segment exit, seals at connections
    21. Spark plugs: two electrode spark plugs in different chambers, ignite at firing