GE, PG9171, 2009, 127.214 MW, 50 Hz, Frame 9E Gas Turbine Package

Description

  1. Overview
    1. Ge frame 9e gas turbine package pg9171
    2. 127.214 mw net output at 15 kv
    3. 50 hz / 3000 rpm
    4. Year manufactured 2009, installed 2010, commissioned 2011
    5. Equipped with a brush 15 kv generator and mark vies control system
    6. Unit has been in preservation since 2018 with very limited operating history
    7. Less than 500 fired hours and under 100 starts
    8. Last inspected in 2018 and found in excellent condition
    9. Borescope inspection can be arranged upon request
    10. Conversion to 60 hz can be done
  2. Key Upgrades
    1. 2015: Low emissions (lli / dln enhancement) upgrade
    2. 2018: Power augmentation system with steam injection (hrsg-based)
    3. Control and protection system upgrades (mark vie, hmi, monitoring systems)
  3. Gas Turbine Specifications
    1. Model: Frame 9e
    2. Brand: Ge
    3. Year of manufacturing: 2009
    4. Certificate module: A
    5. Ped/model/category: G/iv
    6. Nobo number as per installation in 2010: 38
    7. Nominal speed: 3000 rpm
    8. Net power output as per original specification: 127.214 mwe
    9. Unit date of installation / commissioning: 2010
  4. Generator Specifications
    1. Generator model: Bdax-450 erh
    2. Brand: Brush electrical machines limited england
    3. Type: Turbo generator
    4. Protection class: Ip 55
    5. Spec: I.e.c 60034-3
    6. Ambient temperature: 15 degrees celsius
    7. Altitude: Up to 1000 m
    8. Output: 3000
    9. Voltage: 15000
    10. Amps: 6199
    11. P.f: 0.8
  5. Condition
    1. Currently operating / standby: Preservation
    2. Date of decommissioning / stop: 2015
    3. Total factored fired hours (ffh): Less than 500 ffh
    4. Total factored fired starts (ffs): Less than 100 ffs
    5. Date of last major inspection: 32k when power augmentation is disabled
    6. Type of fuel: Natural gas
    7. Mode of operation: Not applicable
    8. Type of control system: Mark vles, sil
    9. Report of last major (or hgp) inspection performed in the engine with rotor in place: Not applicable
    10. Gas turbine and generator last inspected in 2018 and found in excellent condition
    11. Unit and equipment have been enrolled in a preservation program since 2018
    12. Borescope inspection planned to confirm expected condition
  6. History
    1. 2009: Year of production
    2. 2010: Installation of equipment
    3. 2011: Commissioning of equipment
    4. 2011-2015: Equipment mothballed
    5. 2015: Npi upgrade lli
    6. 2015-2018: Equipment mothballed
    7. 2018: Npi upgrade power augmentation; steam injection wrapper
    8. 2018-today: Equipment mothballed
  7. Upgrade Details
    1. 2015 lli upgrade under ge npi program: wrapper modification for fuel piping, modification of transition pieces with headset for secondary combustion, upgrade to 24k combustion hardware, dln skid with additional fuel valve and piping for lli
    2. 2018 power augmentation under ge npi program: wrapper modification for steam injection to compressor air, steam injection control system and piping, installation of combustion dynamics monitoring, upgrade to 32k combustion hardware, upgrade of mark vies, upgrade of generation protection panels, new hmis
  8. Preservation Program
    1. Closed off air intake and exhaust duct allowing for closed loop air circulation (dried and heated)
    2. Oil systems active, automated temperature-based activation
    3. Space heaters are active
    4. Hvac systems are active
    5. Stand still heating generator online
    6. Periodic oil sampling
    7. Nitrogen blanketed piping
    8. Monthly operation of auxiliary equipment
    9. Bi-weekly and monthly inspections
    10. Rotor is not rotated as part of the preservation program to prevent damage to bearings and rotor
  9. Scope of Supply (In Scope)
    1. Gas turbine
    2. Gas turbine lube oil system
    3. Hydraulic oil system
    4. Inlet guide vane system (trip oil) system
    5. Air inlet and exhaust
    6. Performance monitoring
    7. Cooling and sealing air system
    8. Gas fuel system
    9. Gas turbine auxiliary systems
    10. Cooling water system
    11. Compressor washing system
    12. Heating and ventilation systems
    13. Fire protection system
    14. Hazardous gas protection system
    15. Starting system
    16. Mk vies control system
    17. Generator
    18. Additional spare parts/tools
    19. No break unit (as part of the pecc container)
    20. Pecc container
    21. Interconnecting piping and cables gt
    22. Enclosures for the gt system
    23. Boiler feed water pumps for hrsg including vsds (9101a/b) (optional)
    24. Power augmentation system (steam)
    25. Natural gas pressure reduction and heating station of the gt, the unit 9310, 2 gas heaters (by hot water)
    26. Generator cooling system, the unit 9510 (cccw systems (2 pump, 40% glycol/water), air cooler, expansion vessel)
    27. Heating system for anti-icing gt (9520 unit) (2 pumps (40% glycol/water), heater (via steam) and expansion vessel)
    28. Wobbe meters (optional)
    29. Enclosures of the gt (within the gt building)
    30. Internal civil constructions/supports
    31. Supports (e.g. Steel grating/stairs/ and handrails)
  10. Scope of Supply (Out of Scope)
    1. Compressor building and building ventilation, exhaust stack
    2. Foundation (removal)
    3. Transformer tr 9001 and tr-9002 to grid
    4. High voltage cables (busduct) from generator to the 2 trafo (outside building)
    5. Overhead crane 50 t
    6. Generator circuit breaker