Siemens, SGT 400, 2018, 12.9 MW, Gas Turbine, 11.0 kV, 50 Hz

Description

  1. Overview
    1. Siemens SGT 400 (12.9 MW) gas turbine
    2. 11-stage compressor, 6 combustion chambers, 2-stage power turbine
    3. Gas fuel system
    4. Dle combustion system
    5. Hot-end drive
    6. 2-shaft engine
    7. Left-hand exhaust
    8. Main lubrication pump
    9. Equivalent operating hours: 0h
    10. Total starts: 0
    11. New, never installed or commissioned
  2. Reduction Gear
    1. Epicyclic reduction gear
    2. Baseplate mounted
    3. Hydraulic start drive
    4. Main drive coupling
  3. A.C. Generator and Avr
    1. 11.0 kV, ± 10%, 3 phase, 50 Hz, 1500 rpm
    2. Class F insulation and class B total temperature rises
    3. Voltage transformers - class 0.5, current transformers - class 0.2 and 5p10
    4. Basler avr
  4. Integral Lube Oil System
    1. Supplies gas turbine, reduction gear and a.c. generator
    2. Priming and main oil pumps
    3. A.c. auxiliary pump
    4. D.c. emergency pump
    5. Lube oil vent oil mist eliminator
  5. Gas Fuel System
    1. Double block and vent valves and rigid pipework
    2. Fuel control valves (pilot and main)
    3. External block and vent valves
  6. Electro-Hydraulic Gas Turbine Start System
    1. 400V electric motor
    2. Hydraulic pump and motor
    3. Control valves
  7. Outdoor Acoustic Enclosure 80db(A)
    1. Standard color ral 7032
    2. Access doors, apertures, gland plates
    3. Interior lighting and inspection of windows
    4. Removable panels for alternator removal
    5. Turbine exhaust shroud
  8. Enclosure Vent System 80db(A)
    1. Vent system for gas turbine/reduction gear
    2. 2-stage static filters (f5, f8)
    3. Negative pressure enclosure
    4. Atex extract fan (zone 2)
    5. Attenuators
    6. Weather protection
  9. Turbine Air Intake System 80db(A)
    1. Rain/snow ingress protection
    2. Heated vane separator anti-icing system
    3. 3-stage static filtration: 1st stage panel filters (f5), 2nd stage panel filters (f8), 3rd stage panel filters (h11)
    4. Attenuation, ductwork and compensator
    5. Support steelwork
  10. Air Intake Filter Access Platform
    1. Ladder
    2. Handrails
    3. Kick plates
  11. A.C. Generator Vent System 80db(A)
    1. 2-stage static filters (f5, f8)
    2. Attenuation and compensator
  12. Oil Cooler Air Blast System 80db(A)
    1. Single axial flow fan
    2. Cooler matrix
    3. Attenuation
  13. Control Cabin
    1. Houses unit control panel suite and co2 extinguishing
    2. Interior lighting
    3. Airconditioned
  14. Exhaust System
    1. Side exit
    2. Primary compensator
    3. Thermal/acoustic shroud
    4. 75db(A) silencer
  15. Fire Protection and Gas Detection Systems
    1. Four-zone fire monitoring equipment
    2. Co2 storage and co2 discharge nozzles
    3. Infra-red (3) and heat (rate/rise) detectors (2)
    4. Shut-off damper at ventilation system discharge
    5. Two-level gas detection
    6. En54 / iso 6183 compliant
  16. On-Skid Control Panels
    1. Gas turbine control and protection section: allen bradley “controllogix” plc, digital engine management system, control, monitoring and protection (pressures, temperatures, vibration, etc), remote communication, system graphics, on-skid hmi, modular distributed i/o, data communication link (modbus protocol over tcp/ip)
    2. Motor control centre: single 400V, 50Hz, 3ph connection, a.c. power distribution for the generatorset, motor starters and protection, distribution mcb's for auxiliary a.c. supplies, skid-mounted allowing a single point of contact for the customer
    3. Battery charger and uninterruptible power supply: battery charger and ups 24Vdc supply to control systems, to power lube oil pump for 3 hours after loss of a.c. supply
    4. Generator control and protection section: electronic automatic voltage regulator, digital integrated protection relay comprising: differential fault (87g/t), stator earth fault (51n), overcurrent (51), three-phase overvoltage (59), three-phase under voltage (27), reverse power (32), under frequency (81u), over frequency (81o), loss of excitation (40), negative phase sequence (46)
    5. Synchronizing equipment section: auto and check synchronizers, selector switches, bus voltmeter, and synchroscope, automatic or manual forward and back synchronizing, mv circuit breaker control