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Siemens, SGT 500, 2007, 18.47 MW, 50/60Hz, Dual Fuel Gas & Liquid (New)

Siemens, SGT 500, 2007, 18.47 MW, 50/60Hz, Dual Fuel Gas & Liquid

Description

  1. Overview
    1. Model: Siemens SGT-500 industrial gas turbine
    2. Quantity: 2 units
    3. Year manufactured: 2007
    4. Power output: 18.47 mw each
    5. Dual fuel: gas and liquid
    6. 50/60 hz
    7. The SGT-500 industrial gas turbine is a highly dependable gas turbine with excellent fuel flexibility
    8. It combines the reliability and robustness of an industrial design and low emission levels of the latest turbine technology for a wide variety of fuels and applications at low operational costs
    9. The SGT-500 gas turbine has been serving the industrial power generation segment for over 50 years
    10. Introduced in 1955, the turbine was designed for heavy oil operation under tough conditions
    11. It is used widely in industrial power generation, marine as well as oil and gas applications, whether onshore or offshore, floating or fixed
    12. Due to its large roomy combustors and low firing temperature, the SGT-500 has the capability to operate on a wide range of fuels
    13. Experience includes gas and heavy fuel oils, naphtha, crude oil, high aromatic and hydrogen-rich gases, as well as gases with high content of sulfuric acid
    14. The combustor and fuel system have the potential for easy adaptation to additional liquid and gaseous fuels, including the growing flora of environmentally friendly fuels
    15. The SGT-500 can be equipped with several emissions reduction alternatives, including dry low emissions (DLE) combustion
    16. Outstanding operational reliability
    17. With world class start-up and operation reliability performance, the SGT-500 is an excellent solution for emergency power applications
    18. Its low firing temperature contributes to an impressive maintenance program
    19. At operation on full load the standard time between major overhauls is 80,000 hours
    20. At 94% load the interval can be extended to 160,000 hours, equal to 18 years of operation
  2. Technical Specifications
    1. Power generation: 18.47 mw(e)
    2. Electrical efficiency: 32.9%
    3. Heat rate: 10,946 kj/kwh (10,375 btu/kwh)
    4. Power turbine speed: 3,600 rpm
    5. Compressor pressure ratio: 13:1
    6. Exhaust gas flow: 96.4 kg/s (212.6 lb/s)
    7. Exhaust temperature: 376°c (709° f)
    8. NOx emissions (with DLE corrected to 15% O2 dry): natural gas ≤42 ppmv
  3. Axial Compressor
    1. Two multi-stage (10 + 8 lp/hp) axial flow compressors
    2. Compressor rotors of bolted design
    3. Corrosion-coating available
  4. Combustion
    1. 7 can-annular combustion chambers
    2. Conventional combustion system: steam or water injection for emissions control and power augmentation
    3. Dry low emissions (DLE) combustion system option (gas only)
  5. Turbine
    1. Two compressor turbines (1+2 hp/lp)
    2. Free power turbine of axial-flow design
    3. 3-stage 3,600 rpm turbine
  6. Fuel System
    1. Natural gas, liquid fuel, dual fuel, heavy fuel
    2. Other fuel capability available on request
    3. Fuel-changeover capability at any load
    4. Load-rejection capability
    5. Fuel-supply pressure requirement: 18.0 bar(a) ±0.5 bar (261 ±7 psi(a))
  7. Bearings
    1. Hydrodynamic radial- and thrust bearings of tilting pad type
    2. Vibration and temperature monitoring
  8. Lubrication
    1. Lubricating oil tank integrated into gas turbine skid
    2. AC-driven auxiliary pump
    3. DC-driven emergency pump
    4. AC-driven lube oil pumps with DC backup
    5. Air- or water-cooled lube oil coolers
  9. Gearbox
    1. Parallel-shaft gear of double helical design
    2. High-speed shaft 3,600 rpm (nominal speed for pg)
    3. Low-speed shaft 1,500 rpm (50 hz) or 1,800 rpm (60 hz)
    4. 4 radial bearings of sleeve type
  10. Generator
    1. 4-pole design
    2. Rated voltage: 10.5 kv/11.0 kv/13.8 kv
    3. 50 hz or 60 hz
    4. Protection IP54
    5. PMG for excitation power supply
    6. Complies with IEC/EN 60034-1 standard
  11. Starting
    1. Start and barring motor connected to the LP rotor via a ratchet coupling
  12. Control System
    1. Siemens Simatic control system
    2. Distributed inputs/outputs
  13. Key Features
    1. Robust design - long engine life
    2. High availability/reliability
    3. Low fuel-gas pressure requirement
    4. No advanced sealings, resulting in minimal deterioration and maintained efficiency
    5. Dry low emissions (DLE) system option
    6. Low starting power (<160 kw)
    7. Fast start capability (~3 minutes)
    8. Dual-fuel
    9. Competitive with dual-fuel reciprocating technology
    10. Marine classified
    11. No methane slip
  14. Maintenance
    1. Extremely low and predictable maintenance costs
    2. Easy on-site maintenance possible
    3. Complete modules can be swiftly exchanged
    4. Direct exchange of gas generator possible
    5. Core can be air-freighted
    6. First overhaul after 40,000 hours (80,000 hours between major overhauls)
    7. Lease-engine availability for planned overhauls
    8. Online wash available
    9. Standardized concepts for time-based and cycle-based maintenance
    10. Staff training in operation and maintenance
    11. 24/7 Siemens support
    12. Remote diagnostics
  15. Package Key Features
    1. Compact layout
    2. State-of-the-art control system fulfills all requirements for control and safety
    3. Can easily communicate with other control systems
    4. DNV, LR and ABS certified packages
    5. Marine package with auxiliary drive system on lightweight frame
    6. FPSO package (floating production, storage and offloading) option
    7. ATEX package option
  16. Cogeneration and Combined Cycle
    1. The SGT-500 is easily adapted to any cogeneration or combined-cycle plant layout
    2. It has very low environmental impact in both configurations
    3. Thanks to high air flow, the SGT-500 has excellent steam-raising capability which yields high total efficiency in cogeneration
    4. In combined cycle, the SGT-500 has very high total efficiency independent of the fuel used
    5. When using HFO (heavy fuel oil) the SGT-500 offers outstanding emission performance and half the maintenance cost compared to competing technologies
  17. Performance Data
    1. Nominal generator output and heat rate
    2. Conditions/assumptions: fuel natural gas LHV 46,798 kj/kg (20,118 btu/lb), altitude sea level, ambient pressure 1,013 bar(a) (14.7 psi(a)), relative humidity 60%, inlet pressure loss 5 mbar (2" H2O), outlet pressure loss 5 mbar (2" H2O), fuel temperature 5°c (41°f)
    3. Diagram conversion factors: to convert °c to °f multiply by (°c x 9/5) +32, to convert mj/kwh to btu multiply by 949
    4. Nominal exhaust mass flow and temperature
    5. Conditions/assumptions: fuel natural gas LHV 46,798 kj/kg (20,118 btu/lb), altitude sea level, ambient pressure 1,013 bar(a) (14.7 psi(a)), relative humidity 60%, inlet pressure loss 5 mbar (2" H2O), outlet pressure loss 5 mbar (2" H2O), fuel temperature 5°c (41°f)
    6. Diagram conversion factors: to convert °c to °f multiply by (°c x 9/5) +32
    7. Supplementary-fired heat-recovery steam generation
    8. Conditions/assumptions: fuel natural gas LHV 46,798 kj/kg (20,118 btu/lb), altitude sea level, ambient pressure 1,013 bar(a) (14.7 psi(a)), ambient temperature 15°c (59°f), relative humidity 60%, boiler pinch point 8k (14f), boiler approach point 5k (9f), inlet pressure loss 5 mbar (2" H2O), outlet pressure loss 25 mbar (10" H2O)
  18. Condition and
    1. The 2 units are at a storage facility and can be inspected any time after LOI