Company founded 1975 US-based machinery business experienced in worldwide sales.

+1 (864) 574-0404
Global website

Choose your language

Languages follow BCP 47. Flags and countries are representative context only.

Automatic translation Machine specifications, model codes, and reference numbers should always be confirmed in the original listing.
Menu
Call +1 (864) 574-0404 Email Us

Siemens Westinghouse, W251B11A, Combined Cycle Power Plant, 70 MW

Description

  1. Gas Turbine
    1. Brand mark: Siemens Westinghouse gas turbine
    2. Model no: W251B11A
    3. Rating: 48,000 kW
    4. Speed: 5400 rpm
    5. Site conditions: ISO
    6. Operation hours: 100,174 (1999 to 2015)
    7. Operation condition: The turbine runs mostly at base load, so the machine condition is very well. All maintenance is carried out by the manufacturer annually from the beginning, and all maintenance reports are available. The major maintenance was performed in 2009, and the extended HGPI (hot gas path inspection) maintenance was performed in 2012. All compressor blades are also renewed, as well as turbine blades at extended HGPI maintenance.
  2. Gas Turbine Gearbox
    1. Manufacturer: Lufkin Gears
    2. Address: Lufkin Industries Inc., Lufkin, Texas
    3. Model no: N3007C
    4. Ratio: 1.806:1
    5. Input rpm: 5418
    6. Unit rating: 115,267 hp
    7. Application factor: 1.43
    8. Application power: 80,460 hp
    9. Lubricant: AGMA lubricant number L.T. for 50°F to 125°F
    10. Teeth profile: Involute
    11. Number of teeth on pinion: 67
    12. Number of teeth on gear: 121
  3. Gas Turbine Generator
    1. Manufacturer: Brush Electrical Machines Ltd.
    2. Frame size: BDAX 7.290 ER
    3. Type: CRA
    4. Relevant specification: IEC 34-3
    5. Rating: 56 MW / 65,882 MVA
    6. Power factor: 0.85 @ 56 MW
    7. Cooling fan capacity: 1080 m³/min
    8. Weight wound stator: 59,239 kg
    9. Rotor and exciter arm: 14,906 kg
    10. Exciter field: 1247 kg
    11. Miscellaneous: 8848 kg
    12. Total machine: 84,240 kg
  4. Gas Turbine Start Motor
    1. Manufacturer: Voith Transmissions Inc.
    2. Torque converter model: Voith EL 7.5 YFG 2.2
    3. Customer outline drawing no.: N/A
    4. Customer order no.: 080116
    5. Voith outline drawing no.: 0103280
    6. Date of assembly: 10.08.1996
    7. Rated power: 1073 hp / 800 kW
    8. Rated speed (rpm): 2980
  5. Gas Turbine Transformer
    1. Brand mark: BEST
    2. Type: DO 65000/34.5
    3. Rated power: 65 MVA
    4. Rated frequency: 50 Hz
    5. Cooling method: ONAN
    6. Phase: 3
    7. Applicable standards: TS-267 IEC 76
    8. Rated voltage: 34.5 kV / 11.5 kV
    9. Rated current: HV (1087.8 A), LV (3263.3 A)
    10. Insulation level: 170 kV / 70 kV
    11. Vector group (connection symbol): YN D 5
    12. Impedance voltage: 9.231%
    13. Short circuit time: 3 seconds
    14. Insulation class: A
    15. Weight of active part: 49.5 t
    16. Weight of oil: 10.25 t
    17. Total weight: 74.85 t
    18. Type of oil: Nynas Nytro 10 XT
    19. Outline dimension (m): 7.5 m x 3.6 m
    20. Height (m): 6 m
    21. Off load tap changer type: ASP FII-HI 37395 36 kV
    22. Off load tap changer level number: 5
    23. Off load tap changer product year: 1998
    24. Current transformer ratio: 3263 A / 2 A
    25. Current transformer type: 10 VA
    26. Current transformer class: 10 P 10
  6. Steam Turbine
    1. Brand: Mitsubishi Heavy Industries, Ltd., Tokyo
    2. Manufacturing date: Feb. 1999
    3. Type: Mitsubishi steam turbine, extraction mixed pressure condensing
    4. Output: max 25,000 kW
    5. Speed: 3000 rpm
    6. Main steam pressure: max 1260 psia
    7. Main steam temperature: max 950°F
    8. Mixing steam pressure: 50-90 psia
    9. Mixing steam temperature: max 475°F
    10. Exhaust steam pressure: 1.5 inHg abs
    11. Work order: 66892
    12. Operation hours: 92,377 hours
  7. Steam Turbine Generator
    1. Manufacturer: Mitsubishi Electric Corporation
    2. Power: 29,059 kVA
    3. Voltage: 11,500 V
    4. Amperage: 1459 A
    5. Power factor: 0.85 pf
    6. Frequency: 50 Hz
    7. Speed: 3000 rpm
    8. Phases: 3 phases
    9. Type: MB
    10. Rule: IEC-34-1
    11. Inlet air temperature: 40°C
    12. Temperature rise limit: stator 84°C, rotor 80°C
    13. Exciter voltage: 280 V
    14. Exciter amperage: 552 A
    15. Year: 1999
    16. Cooling fan capacity: 660 m³/min
  8. Steam Turbine Transformer
    1. Brand mark: BEST
    2. Type: DO 25000/34.5
    3. Rated power: 25 MVA
    4. Rated frequency: 50 Hz
    5. Cooling method: ONAN
    6. Phase: 3
    7. Applicable standards: TS-267 IEC 76
    8. Rated voltage: 34.5 kV / 11.5 kV
    9. Rated current: HV (418 A), LV (1255 A)
    10. Insulation level: 170 kV / 70 kV
    11. Vector group (connection symbol): YN D 5
    12. Impedance voltage: 9.156%
    13. Short circuit time: 3 seconds
    14. Insulation class: A
    15. Weight of active part: 20.50 t
    16. Weight of oil: 5.50 t
    17. Total weight: 35.15 t
    18. Type of oil: Nynas Nytro 10 XT
    19. Outline dimension (m): 4.5 m x 3.4 m
    20. Height (m): 4.3 m
    21. Off load tap changer type: ASP FII-HI 37315 36 kV
    22. Off load tap changer level number: 5
    23. Off load tap changer product year: 1998
    24. Current transformer ratio: 1255 A / 2 A
    25. Current transformer type: 10 VA
    26. Current transformer class: 10 P 10