Alstom, GT13E2, 300 MW Gas Turbine Power Plant, 50 Hz

Description

  1. Overview
    1. 300 MW gas turbine
    2. Gas turbine with generator
    3. Gearbox: GT13E2, dual fuel, 5 Alstom stage, 148.85 MW
    4. Generator: 50WY21Z-078 with static excitation
    5. Alstom/Zuilemae RB fuel gas starting system
    6. Alstom/Allweiler lubrication system
    7. GT exhaust: Alstom duct + damper
    8. Alstom stack
    9. Alstom CO2 flooding: 56 cylinders, 28 Gingekerr system: standby
  2. Heat Recovery Steam Generator
    1. Deaerator: designed for GT exhaust temp / flow of 541 deg C and Alstom 497 kg/sec
    2. HP feed water pumps: Alstom/Sulzer, designed for GT exhaust temp/flow of 541 deg C and 497 kg/sec
    3. Feed control station: designed for GT exhaust temp/flow of 541 deg C and Alstom 497 kg/sec
    4. W.C.: designed for GT exhaust temp / flow of 541 deg C and 497 kg/sec
    5. Alstom condenser
    6. Alstom condensate extraction pumps: designed for GT exhaust temp / flow of 541 deg C and 497 kg/sec
  3. Steam Turbine and Generator
    1. Alstom steam turbine & generator: 80 MW, 3 stage HP/LP/IP
    2. Alstom turbine, lube oil systems, jacking pumps
    3. Gearbox, condensate system
    4. Alstom generator: 50WY18Z-078
    5. Unique EOT crane: 87/20 MT
    6. Alstom condenser
  4. Auxiliary Systems
    1. Pump Kirloskar DM water tank/pump: 75 m3 cap
    2. Chemical dosing system/pump
    3. Raw water system
    4. Voltas HVAC system: 2 x 50 TR, 1 standby
    5. Fire protection system
    6. Hydrant: 40 nos
    7. Vijay fire CO2/portable firetender
  5. Switch Yard and Transformers
    1. 190 MVA/15.75/400 kV GT transformer and 8 MVA transformer: 15.75/6.6 kV and Alstom 6.8 MVA
    2. 15.75 kV/2.1 kV/0.433 kV
    3. Alstom ST: 120 MVA/11.5/400 kV transformer
    4. Alstom aux: 2 MVA/6.6/0.433 kV transformer: 4 nos
  6. Electrical and Control Systems
    1. DG set: Cummins 380 kVA/415 V
    2. Statcon charger: 220 VDC
    3. DC system
    4. Exide battery system: 500 AH 1 nos, 250 AH 1 nos
    5. DB power UPS: 60 kVA
    6. Earthing system
    7. Busduct
    8. Alstom control and relay panel
    9. CCR
    10. Alstom turbovisory/C&I/PLC
    11. MCC: main plant and offsite
    12. Communication system
    13. Alstom 400 kV circuit breaker/CT: substation with DAI-1 and DAI-2
    14. CVT/isolators with earth switch
    15. Alstom lighting: 6 nos arrestor
  7. Fuel and Plant Infrastructure
    1. Alternate fuel system: tank, loading & unloading, pumping station in phase-1, common utility
    2. Firing pump and station in phase 2
    3. Plant lighting system
    4. Cable/cable tray