GE, Gas Based Power Plant, 48 MW, 50 Hz, with Siemens Steam Turbine

Description

  1. Overview
    1. Gas turbine unit: 34.420 MW (base), equivalent operating hours (EOH) since commissioning: 150554
    2. Gas turbine generator: 37 MW
    3. GTG transformer: 53 MVA (11/33 kV)
    4. Heat recovery steam generator (HRSG): HP steam 65.5 TPH at 63 kg/cm², 480 °C; LP steam 12 TPH at 7.1 kg/cm², 204 °C
    5. Stack: main stack 45 meter, bypass stack 32 meter, installed with bypass stack dampers
    6. Steam turbine: rated MW 37.09, steam pressure (HP/LP) 60 kg/cm² / 5 kg/cm², steam temperature (HP/LP) 475 °C / 204 °C
    7. Steam turbine generator: 37.09 MW
    8. STG transformer: 53 MVA (11/33 kV)
  2. Brands and Types
    1. Gas turbine unit: GE, dual fuel firing (liquid and gas, gas/naphtha/HSD)
    2. Gas turbine generator: Siemens, TARI 800-26P
    3. GTG transformer: GEC Alstom, oil filled
    4. HRSG: Babcock, horizontal, natural circulation and all modules fully drainable
    5. Steam turbine: Siemens, condensing
    6. Steam turbine generator: Siemens, TARI 800-24P
    7. STG transformer: GEC Alstom, oil filled
  3. Balance of Plant
    1. Black start DG: 750 kVA
    2. Fuel gas system: 0.06-0.6 MMSCMD, with redundant filters and pressure regulators as well as ultrasonic flow meter
    3. Cooling tower: 5000 m³ total for 2 cells, timber structure, induced draft
    4. Circulating cooling water pumps: 2 nos, horizontal
    5. Auxiliary cooling water pumps: 2 nos, horizontal
    6. DM plant: 2 x 16 m³/h, model Swift 6+ and Elga 6
    7. Plant fire fighting system: hydrant pumps (vertical), deluge system (auto/remote and manual operation), plant fire alarm system (addressable type)
  4. Control Systems
    1. GT and ST control system: GE Mark V with IDOS (GT) and Windows NT (ST) platform for HMIs, triple modular with protection core and optional <D> core
    2. HRSG and BOP control system: Invensys DCS with open architecture and Modbus communication to MKV, redundant CPS and IA ver 8.x works on mesh networks with high bandwidth of 100 Mbps / 1 GB