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Westinghouse, W501D5, 1995, 500MW Gas Turbine Power Plant, 60Hz, LNG Fuel

Description

  1. Overview
    1. Gas turbine generator set: 100 MW x 5 units
    2. Frequency: 60 Hz
    3. Fuel: LNG
    4. Year: 1995
    5. Stopped operation: June 2013
  2. Gas Turbines
    1. Manufacturer: Westinghouse (Siemens)
    2. Model name: W501D5
    3. Type: Axial flow
    4. Power output: 100,000 kW (100 MW)
    5. Stages: 4 stage
    6. Inlet temperature: 1093 °C
    7. Exhaust temperature: 530 °C
    8. Exhaust flow: 1,313,272 kg/h
    9. TAC temperature: 15 °C
    10. Speed governor: DEHC
  3. Starter System
    1. Type: Electric motor
    2. Capacity: 1530 kW
    3. Quantity: 1 each
  4. Combustor
    1. Type: Can-annular
    2. Quantity: 14 each
  5. Compressor
    1. Type: Axial flow
    2. Air mass flow: 358 Nm³/min
    3. Inlet temperature: 15 °C
    4. Pressure ratio: 14:01
    5. Outlet pressure: 14.462 kg/m²
    6. Stages: 19 stage
    7. Outlet temperature: 389 °C
  6. Generators
    1. Manufacturer: Westinghouse (Siemens)
    2. Type: OAC (open-air-cooled)
    3. Rated power: 129 (143) MW (MVA)
    4. Power factor / short-circuit ratio: 90% / 0.695
    5. Frequency: 60 Hz / 2 pole
    6. Speed: 3600 RPM
    7. Rated voltage / current: 13.8 kV / 5731 A
    8. Insulation class: F
  7. Exciter
    1. Speed: 3600 RPM
    2. Exciter type: PMG
    3. Rated voltage / current: 325 V / 1006 A
    4. Protection devices: 87G, 59GN, 40, 32, 46, 51V, 60, 25
    5. Neutral grounding: NGR
    6. Bus bar: IPB (3 phases)
    7. Rotation direction: CW (viewed from exciter end)
  8. Operation Hours
    1. Gas turbine #2: 37,013 hours (1996.1 ~ 2013.6)
    2. Gas turbine #3: 39,800 hours (1996.1 ~ 2013.6)
    3. Gas turbine #4: 41,541 hours (1996.7 ~ 2013.6)
    4. Gas turbine #5: 41,819 hours (1996.7 ~ 2013.6)
    5. Gas turbine #6: 40,524 hours (1996.7 ~ 2013.6)
  9. Operation Hours From Overhaul to Stop
    1. Gas turbine #2: 16,611 hours
    2. Gas turbine #3: 17,098 hours
    3. Gas turbine #4: 15,686 hours
    4. Gas turbine #5: 17,978 hours
    5. Gas turbine #6: 16,921 hours
  10. Scope of Supply
    1. Turbine
    2. Generator
    3. Control panel (electric package)
    4. Switchgear box
    5. Mechanical room equipment