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GE, Frame-9E, Gas Turbine, 128 MW, 50 Hz, Dual Fuel

Description

  1. Overview
    1. Frame-9e, (pg9171e) gas turbine
    2. Each turbine is characterized by the following equipment and accessories except where mentioned otherwise.
    3. Rating at ISO conditions: base 128,183 kW
    4. Voltage: 15 kV
  2. Turbine And Turbine Compartment
    1. Base mounted, simple cycle, single shaft pg9171e gas turbine compartment consisting of:
    2. Multistage, axial flow, corrosion protected compressor
    3. Modulating inlet guide vanes
    4. On base gas fuel system and liquid fuel system suitable for distillate
    5. Dual ignition system
    6. Dual compartment AC vent fans (negative, common for GT and ACC compartment)
    7. Vibration sensors, seismic type, for protection
    8. Thermocouples for measuring critical turbine and load temperatures, including bearing drains
    9. Inlet and exhaust plenums
    10. Load coupling (solid), with coupling guard and hardware
    11. GT enclosure (on-base) limiting near field noise level to 93 dBA
    12. Oil filled accessory coupling
    13. Fire detection and protection, for on base equipment
    14. Online and off-line compressor wash piping and nozzle for on base hardware
    15. Compressor discharge air unit
    16. On-base piping as per ANSI 1331.3
    17. Base mounted terminal boxes and interconnecting wiring in rigid metal conduits
  3. Accessory Systems And Compartments
    1. Accessory systems and compartments include:
    2. Accessory gear, heavy duty, multi shaft with oil filled accessory coupling to turbine shaft
    3. Starting system
    4. Electric motor
    5. Torque converter
    6. Rotor turning device
    7. Fuel oil pump
    8. Lubricating and hydraulic oil system
    9. Shaft driven main lubricating oil and hydraulic oil pumps
    10. Full flow AC motor driven emergency pump
    11. Partial flow AC motor driven emergency pump
    12. Full flow AC motor driven auxiliary hydraulic pump
    13. Dual filters and transfer valve for lubricating oil and hydraulic oil systems
    14. 2 x 100% lube oil in water heat exchangers
    15. 304/321 stainless steel feed piping with TIG welding of the foot pass
    16. Piping in accordance with ANSI BI 1.3 and applicable ASME welding requirements
    17. Fire detection and CO2 protection system for on base equipment
    18. Electrical components
    19. All motors, except starting motor, feature: TEFC motors, terminal boxes, conduit and wiring to meet NCC class 1, group-D, division-2 requirements
    20. Dual compartment vent fans (negative ventilation common for ACC and GT compartments)
    21. Full weather protected enclosure for outdoor installation
  4. Inlet Air System (Up And Over Orientation)
    1. Filter compartment with:
    2. Support structure
    3. Self-cleaning air filter system
    4. Inlet ducting
    5. Access hatch
    6. Instrumentation
    7. Inlet silencing in ducting
    8. Inlet bellow
    9. Transition piece from inlet ducting to inlet plenum
    10. Structural supports
  5. Exhaust System (Top Exhaust)
    1. Transition pieces and stack of 15 meters height, including silencer
  6. Load Coupling Compartment
    1. Rigid non-lubricating load coupling
    2. Fabricated load coupling guard
    3. Full weather protected enclosure
  7. Control Cabinet
    1. Mark VI Speedtronic turbine control panel
    2. Motor control center
    3. 125V DC battery (lead free maintenance) charger and DCDB
  8. Auxiliary Compartments And Turbine Fire Detection And Protection System (CO2)
    1. Auxiliary compartments and turbine fire detection and protection system (CO2)
  9. Portable Lube Oil Purifier
    1. Portable lube oil purifier
  10. Foundation Hardware
    1. Foundation hardware
  11. Special Tools And Tackle
    1. One set of special tools and tackle
  12. Generator Scope Of Supply
    1. Generator (open circuit air cooled) with stator, rotor, built in RTDs, bearings
    2. Foundation frame and enclosure generator with terminals at top
    3. Brushless excitation system including main exciter (with slip rings for conventional rotor earth fault relay) and auxiliary exciter
    4. Ventilation system for generator with ducting and self-cleaning filters
    5. Phase isolated bus-ducts with aluminum conductor and aluminum enclosure with CTs, PTs, LA and SP cubicles (10 meters on phase side and 6 meters on neutral side)
    6. Neutral grounding transformer with loading resistor
    7. Conventional generator control panels and microprocessor based relay panels and duplication of controls in the central control room
    8. Inter connecting control cables for connection between generator bus duct and C/R panels
    9. CO2 fire protection for generator
    10. Automatic voltage regulator (digital type)
    11. Quantity: 3