Alstom, SGT-100, 2000, 5.25 MW, 50Hz, Gas Turbine Generator Package

Name: Alstom, SGT-100, 2000, 5.25 MW, 50Hz, Gas Turbine Generator Package
Brand: Alstom
SKU: R-7334

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Description

Overview
1. Units are original Alstom SGT-100 packages
2. Power rating: 5.25 MW(e)
3. Pressure ratio: 14.9:1
4. Efficiency: 31%
5. Heat input: 17158 kW (gas)
6. Heat input: 16537 kW (liquid)
7. Nominal speed: 17,384 rpm
8. Air flow (inlet): 20.5 kg/s
9. Exhaust gas flow: 20.1 kg/s
10. Exhaust gas temp: 540 °C
11. Compressor: 10 stage axial flow
12. Turbine: 2 stage overhung
13. Combustion: 6 reverse flow tubular combustion chambers
14. Configuration: standard combustion: NOx < 240 ppmv (gas)
15. Configuration*: dry low emissions (DLE): NOx level <25 ppmv (gas)
16. Configuration: standard combustion: NOx < 430 ppmv (liquid)
17. Configuration*: dry low emissions (DLE): NOx level <25 ppmv (liquid)
18. Ignition system: retractable high energy cross lighting
19. DLE type: individual chamber ignition*
20. Air flow modulation: variable inlet guide stator blade actuation
21. Steam raising capacity**: 11.5 t/hr at LL barg
22. All figures stated at datum conditions
23. Inlet air temperature: 15 °C
24. Ambient pressure: 1013 mbar
25. Relative humidity: 60%
26. Assumed intake losses**: 75 mm H20
27. Assumed exhaust losses**: 250 mm H20
28. Power turbine speed: 100%
29. Gearbox efficiency: 99%
30. Generator efficiency: 97%
31. *-DLE optional
32. ** - based on original design
Generator Details
1. Type: synchronous AC generator, salient-pole with brushless excitation
2. Poles: 4
3. Speed: 1500 rpm/50 Hz
4. Output: 6750 kVA/3 phase
5. Voltage: 11,000
6. Amps: 354
7. PF: 0.8
8. Insulation class: F
9. Rating SL(cont) class: F
10. IP: 01
11. IC: 27
12. Manufacturer & date: Alstom 2000
13. Ventilation: dedicated direct air flow cooling
Lubricating Oil System Details
1. Type: integral system serving the turbine, gearbox and generator
2. Operating oil pressure: 2.06 barg
3. Reservoir capacity: 1566 L (approx.)
4. Oil type: Shell Turbo T46 (or equivalent)
5. Main gearbox pump: gearbox driven
6. Flow: 491 Lpm
7. Power rated: 11.6 kW at 6.9 barg and 3000 rpm
8. Auxiliary pump: AC motor driven
9. Flow: 232 Lpm
10. Power rated: 7.1 kW at 6.9 barg and 3000 rpm
11. Emergency pump: DC motor driven (hot rail supply)
12. Flow: 13.6 Lpm
13. Power rated: 0.37 kW at 2.06 barg and 3000 rpm
14. VIGSBPump: gearbox driven
15. Flow: 6.4 Lpm
16. Power rated: 75.9 barg at 3000 rpm
17. Oil tank heating: 3 x 1.25 kW heating elements
18. Temperature control valve: controls oil temperature from 40 - 50 °C (opening-full open)
19. Main oil filter module: 10 micron duplex with integral differential pressure transmitter
20. Emergency oil filter: 25 micron with integral differential pressure indicator
21. Pressure control valve: maintains 2.06 barg at bearings supply pipework
22. Oil cooler: roof mounted air blast cooler 4.7 kW motor fan
23. Instrumentation: high/low level sensing & alarm function, pressure monitoring & alarm function, temperature monitoring & alarm function
24. Tank ventilation: roof mounted oil mist coalescer
Gearbox Details
1. Type: epicyclic star
2. Size: ASG34
3. Gear ratio: 11.61:1
4. Rated power: 8400 HP
5. Input speed: 17417 rpm
6. Output speed: 1500 rpm
7. Service factor: AGMA421.06SF1.3
8. Manufacturer & date: Allen Gears 2000
Fuel System Details
1. Type: tri fuel embedded control system & burners
2. Off skid conditioning & forwarding systems optional
3. Customer fuel type requirements optional
4. Gas fuel: Wobbe 37-49 MJ/m3
5. Naphtha: Wobbe 44-47 MJ/kg
6. Distillate: Wobbe -45 MJ/kg
Gas Fuel System Details
1. Supply pressure (skid edge): max: 25 barg, min: 19.5 barg
2. Supply temperature: max: 100 °C
3. Min: fuel dew point dependent
4. Safety device: on skid block and vent valve
5. Fuel control valve: star valve
6. Instrumentation: position feedback sensors, pressure monitoring & alarm, temperature monitoring & alarm
Naphtha Fuel System Details
1. Supply pressure (skid edge): max: 50 barg
2. Supply temperature: max: 60 °C, min: 2 °C
3. Safety device: on skid block and drain valve
4. Fuel control valve: direct drive valve
5. Instrumentation: position feedback sensors, pressure monitoring & alarm, temperature monitoring & alarm
Distillate Fuel System Details
1. Supply pressure (skid edge): max: 50 barg
2. Supply temperature: max: 60 °C, min: 0 °C
3. Safety device: on skid block and drain valve
4. Fuel control valve: direct drive valve
5. Instrumentation: position feedback sensors, pressure monitoring & alarm, temperature monitoring & alarm
Instrument Air System Details
1. Supply pressure (skid edge): max: 6.9 barg, min: 5.5 barg
2. Supply quality: ISO 8673-1 quality class 3.3.3
Starting System Details
1. Type: ABB AC motor driven direct drive
2. Control: variable speed drive, package mounted
3. Thermal protection: integral winding thermistors
4. Rated voltage: 380 V
5. Rated frequency: 50 Hz
6. Rated insulation: LKV
7. Rated busbar current: 1000 A
8. Rated fault level: 50 kA
9. Duration: 1 sec
10. Peak fault level: 105 kA
11. Degree of protection: IP54
Starter Motor Details
1. Type: ABB 3 phase AC motor 50 Hz
2. Frame: 280
3. Conformity: zone 2 category 3 ExNA II
4. Degree of protection: IP55
5. Rating: 90 kW
6. Star: 690 V 92 A
7. Delta: 400 V 153 A
Acoustic Enclosure Details
1. Type: fitted over the turbine & generator package bolted to turbine skid
2. Specification: sound attenuation to 85 dB(A) SPL at (1 m horizontal & 1.2 m vertical) distance from enclosure suitable for outdoor & indoor environment
3. Construction: painted carbon steel
4. Doors & removable panels for access
5. Internal lighting
6. Isolation: ventilation inlet & outlet damper
7. Internal lifting equipment: roof mounted L-beams x 2 (500 kg SWL) in GT section
Package Ventilation System Details
1. Type: negative pressure fan motor driven inertial filter (with DPI) integral silencers
2. Cooling air flow: 7.1 m3/sec
3. Conformity: zone 2 category 3 ExN, ambient temperatures up to 43 °C
4. Fan motor power: 18.5 kW 33.5 A
5. Speed: 2920 rpm
6. Motor supply: 380 V - 3 phase - 50 Hz
7. Rating: IP55
8. Motor starting: DOL
Generator Ventilation System Details
1. Type: negative pressure fan motor driven inertial filtered (with DPI) integral silencers
2. Cooling air flow: 7.0 m3/sec
3. Conformity: zone 2 category 3 ExN, ambient temperatures up to 43 °C
4. Fan motor power: 18.5 kW
5. Speed: 2920 rpm
6. Motor supply: 380 V - 3 phase - 50 Hz
7. Rating: IP55
8. Motor starting: DOL
Combustion Filtration System Details
1. Type: vertically mounted
2. Self cleaning
3. Suitable for outdoor operation
4. Integral silencer (attenuation to 85 dB(A))
5. Filter type: 20 cylindrical & conical high efficiency cartridges single stage
6. Pulse cleaning system: fully automatic and programmable system embedded control panel & display
7. Compressed air requirements: 7 barg 4.7 litres/sec
8. Power requirements: 220-240 V 1 phase 50 Hz 2 A 0.22 kW
9. Options: HEPA filters
10. Additional stage pre filter or macrogen
11. Inlet chilling/fogging system
12. Snow hoods
13. Inlet anti icing / ice prevention system
Exhaust System Details
1. Type: horizontal exit on axial plane to GT centreline
2. Diffuser: secondary axial diffuser constructed in stainless steel
3. Silencer: stainless steel (attenuation to 85 dB(A))
4. Insulation: acoustic cladding
5. Options: open cycle or diverter function for WHRU
Fire & Gas Detection System Details
1. Heat detection: 2 x Hawco heat detectors
2. Flame detection: 2 x OmniGuard UV flame detectors
3. Gas detection: 1 x IR beam gas detector