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Westinghouse, W501D5, 1995, 100MW + 150MW x 2 Combined Gas Power Plant, 60 Hz, LNG Fuel

Description

  1. Overview
    1. Gas turbine generator set: 100 MW x 5
    2. Frequency: 60 Hz
    3. Fuel: LNG
    4. Year: 1995
    5. Stopped operation: middle of 2013
  2. Gas Turbines
    1. Manufacturer: Westinghouse
    2. Model name: W501D5
    3. Type: Axial flow
    4. Power output: 100,000 kW (100 MW)
    5. Stages: 4 stages
    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/cm²
    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 Period
    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. Supply List
    1. Gas turbine
    2. Generator
    3. Control panel (electric package)
    4. Breaker
    5. Mechanical room equipment
    6. L/C T.R
  11. Steam Turbine and Generator
    1. Manufacturer: Hitachi (Japan)
    2. Year: 1971
    3. Overhaul year: 1997
    4. Type: TCDF reheat condensing 23
    5. Power output: 150,000 kW
    6. Rotor speed: 3600 rpm
    7. Number of stages: HP 6 / IP 7 / LP 5
    8. Main steam pressure: 100.1 kg/
    9. Main steam inlet temperature: 498.2
    10. Reheat steam inlet pressure: 34.4 kg/
    11. Reheat steam inlet temperature: 353.9
    12. Reheat steam outlet pressure: 31.7 kg/
    13. Reheat steam outlet temperature: 501.5
    14. Exhaust pressure: 38 mmHg (A)
    15. Speed governor: Electro-hydraulic governor
  12. Generator Specification
    1. Manufacturer: Hitachi (Japan)
    2. Year: 1971
    3. Type: TFLH
    4. Rated power: 150 MW (MVA)
    5. Power factor: 85% / 0.58
    6. Frequency: 60 Hz / 2 pole
    7. Speed: 3600 rpm
    8. Rated voltage / current: 17 kV / 6521 A
    9. Insulation class: B
  13. Exciter
    1. Speed: 3600 rpm
    2. Exciter type: Rotary rectifier
    3. Rated voltage / current: 284 V / 1060 A
    4. Protection devices: 87G, 64G, 59F, 40F, 46F, 32, 21G
    5. Neutral grounding: Grounding transformer
    6. Bus bar: IPB (3 phase)
  14. Super Heater
    1. Max. operating pressure: 121 kg/44?
    2. Outlet pressure: 91.9 kg/29.5?
    3. Outlet temperature: 484.4? /303?
  15. Reheater
    1. Max. operating pressure: 44 kg/?
    2. Max. operating temperature: 523.9?
    3. Outlet pressure: 29.5 kg/?
    4. Reheat steam flow: 137.7 ton/h
  16. Operation Hours
    1. Steam turbine #1: 34,998 hours (1997.7–2013.6)
    2. Steam turbine #2: 37,723 hours (1997.7–2013.6)