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Siemens, SST-400, 2011, 30MW, 50 Hz, Steam Turbine Generator Set (New)

Siemens, SST-400, 2011, 30MW, 50 Hz, Steam Turbine Generator Set

Description

  1. Overview
    1. Siemens SST-400 turbine & SGEN5-100A-4P synchronous generator
    2. For coal/biomass powerplant
    3. Brand: Siemens
    4. Model: SST400
    5. Type: Steam turbines
    6. Condition: New
    7. Year: 2011
    8. Brand: Siemens Energy
    9. Model (turbine): SST-400
    10. Model (generator): SGEN5-100A-4P
    11. Frequency: 50 Hz
    12. Steam inlet pressure: 12.7 MPa (127 bar)
    13. Exhaust pressure: 6.8 kPa (condensing)
    14. Steam flow (rated): 112.46 t/h
    15. Input speed: 5,500 rpm
    16. Output speed: 1,500 rpm
  2. Key Advantages
    1. Proven Siemens quality: over 150 years of rotating machinery expertise; global installed base with high reliability and availability Siemens Energy.
    2. High efficiency: optimized turbine blading + high-efficiency generator = low fuel consumption, low opex Siemens Energy.
    3. Plug-and-play package: fully assembled, tested, and aligned at the factory; fast on-site installation, minimal commissioning time.
    4. Low maintenance: modular design, easy access to components; long service intervals, low maintenance costs.
    5. Flexible operation: suitable for base load or cyclic operation; ideal for renewable and industrial heat recovery projects.
  3. Applications
    1. Biomass power plants
    2. Waste-to-energy (WTE) plants
    3. Industrial captive power (chemical, sugar, pulp & paper, steel)
    4. Cogeneration (CHP) & district heating
    5. Solar thermal / geothermal power
  4. Technical Specification
    1. Siemens SST-400 steam turbine generator set (with SGEN5-100A-4P generator + reduction gearbox)
  5. General Information
    1. Product name: complete steam turbine generator set
    2. Brand: Siemens Energy
    3. Model (turbine): SST-400
    4. Model (generator): SGEN5-100A-4P
    5. Rated power: 30 MW (expandable up to 65 MW)
    6. Frequency: 50 Hz
    7. Application: biomass / waste-to-energy / cogeneration (CHP) / industrial captive power
    8. Scope of supply: turbine, reduction gearbox, generator, base frame, lubrication system, control panel, auxiliary systems
  6. Steam Turbine (SST-400)
    1. Type: single-casing, horizontal split, impulse-type, condensing / backpressure design
    2. Rated power: 30 MW (max 65 MW)
    3. Rated speed: 5,500 rpm (range up to 8,000 rpm)
    4. Steam inlet pressure: 12.7 MPa (127 bar)
    5. Steam inlet temperature: 535 °C (up to 540 °C)
    6. Exhaust pressure: 6.8 kPa (condensing)
    7. Steam flow (rated): 112.46 t/h
    8. Rotation direction: clockwise (viewed from inlet to exhaust)
    9. Extraction: up to 4 controlled extractions available
    10. Design features: modular construction, fast start-up, rapid load change, axial/upward/downward exhaust options
  7. Reduction Gearbox
    1. Type: heavy-duty helical gearbox, parallel shafts
    2. Model: TX 90/3 (matched to SST-400)
    3. Input speed: 5,500 rpm
    4. Output speed: 1,500 rpm
    5. Gear ratio: 3.33:1
    6. Efficiency: ≥ 99%
    7. Design: compact, robust casing, precision-machined gears, low noise & vibration, factory-aligned
  8. Synchronous Generator (SGEN5-100A-4P)
    1. Type: 4-pole, air-cooled, three-phase synchronous generator
    2. Rated capacity: 38 MVA
    3. Rated active power: 30 MW
    4. Rated voltage: 10,500 V (10.5 kV)
    5. Rated current: 2,089 A
    6. Power factor: 0.85 (lagging)
    7. Rated speed: 1,500 rpm
    8. Frequency: 50 Hz
    9. Cooling method: indirect air cooling
    10. Excitation system: static excitation
    11. Efficiency: ≥ 98.5% (guaranteed)
    12. Insulation class: F
    13. Winding connection: Y (star)
  9. Performance & Guarantee
    1. Gross efficiency (set): ≥ 97.8%
    2. Turbine heat rate: ≤ 8,600 kJ/kWh (at rated load)
    3. Noise level: ≤ 85 dB(A) at 1 m
    4. Vibration: ≤ 4.5 mm/s (RMS) at bearings
    5. Warranty: 5-year standard (extendable)
    6. Design life: 25 years (≥ 200,000 operating hours)
  10. Auxiliary Systems
    1. Lubrication system: oil tank, pumps, coolers, filters, pressure monitoring
    2. Control system: Siemens T3000 / PCS7, automatic turbine control, protection & monitoring
    3. Cooling system: closed-loop cooling water for turbine & generator
    4. Protection: overspeed, overvoltage, overcurrent, earth fault, vibration, temperature protection