GE, MS 5001P, Refurbished Frame 5 Gas Turbine Generator Package, 18.4MW, 11kV, 50Hz

Description

  1. Overview
    1. Budgetary proposal for the supply of a refurbished and warranted frame 5 gas turbine generator package (GTG).
    2. Packager has recently completed the remanufacture and sale of 2 x frame 6B (50Hz) GTG packages, however, the original buyer is interested to re-sell.
    3. Two overhaul options available for GTG packages that have not yet entered the refurbishment process: supply of units utilizing all new components, or supply of units utilizing refurbished components.
    4. Both options will be fully covered by packager warranty.
  2. Proposal - As Is Where Is Condition
    1. Supply of one gas turbine and generator package as-is-where-is condition.
    2. Gas turbine model series: MS 5001P (PG 5341).
    3. Gas turbine type: generator drive.
    4. Cycle: simple.
    5. Number of shafts: 1.
    6. Direction of rotation: counterclockwise.
  3. Turbine Compartment
    1. Air Compressor
      1. Number of stages: 17.
      2. Type: axial.
      3. Casing split: horizontal inlet guide vane.
      4. RPM: 5100 RPM.
      5. Rating: 18.4 MW.
      6. Voltage: 11 kV.
    2. Turbine
      1. Number of stages: 2 (single shaft).
      2. First stage nozzle: fixed area.
      3. Second stage nozzle: fixed area.
      4. Operating speed: 5100 RPM.
    3. Combustion System
      1. Quantity: 10 chambers and liners interconnected by crossfire tubes.
      2. Chamber arrangement: concentrically around compressor, compressor in combustion wrapper.
      3. Fuel nozzle type: dual fuel.
      4. Spark plug arrangement: 1 each in chambers 1 and 2.
      5. Spark plug type: retractable electrodes.
      6. Flame detector arrangement: 1 each in chambers 7 and 8.
    4. Bearing Assemblies
      1. Quantity: 2.
      2. Lubrication: pressure lubricated.
      3. No 1 bearing assembly: active and inactive thrust and journal contained in one assembly.
      4. No 2 bearing assembly: journal.
  4. Accessory Compartment Starting System
    1. Electric start: type P355LS.
    2. Rating: 295 kW, 415V, 3 ph, 50 Hz, 2965 RPM.
    3. Torque Converter
      1. Type: hydraulic with integral reversing gear and ratchet.
    4. Fuel Pump
      1. Type: accessory gear driven fixed displacement gear pump.
      2. Rating: 51 GPM @ 5100 RPM.
    5. Fuel Flow Filtration
      1. Fuel oil filter type: 1 main filter low pressure, 1 secondary filter high pressure.
      2. Filtration: 5 micron.
    6. Lube Oil System
      1. Reservoir capacity: 1700 gals (approx).
    7. Main Lube Oil Pump
      1. Type: shaft driven-integral with accessory gear.
      2. Rating: 460 GPM @ 1415 RPM.
      3. Discharge pressure: 65 psig.
    8. Lube Oil Pump (Auxiliary)
      1. Type: motor driven, vertical submerged, single stage, single suction, centrifugal sump type.
      2. Motor rating: 30 kW.
    9. Lube Oil Pump (Emergency)
      1. Type: motor driven, vertical submerged, single stage, single suction, centrifugal sump type.
      2. Motor rating: 5.5 kW 120 VDC.
    10. Main Lube Oil Filter
      1. Type: full flow.
      2. Cartridge type: 0.5 micron filtration pleated paper.
    11. Lube Oil Heat Exchanger
      1. Type: oil heat to fresh water.
    12. Hydraulic Oil Supply System
      1. Hydraulic supply pump type: accessory gear driven variable displacement axial piston.
      2. Rating: 16.5 GPM @ 1300 RPM.
      3. Discharge pressure: 1200 psig.
    13. Hydraulic Supply Filter
      1. Type: full flow.
      2. Cartridge type: 0.5 micron.
    14. Cooling Water System
      1. Type: accessory gear driven centrifugal pump.
      2. Rating: 400 GPM @ 3600 RPM.
      3. Discharge pressure: 83.5 psig.
    15. Atomizing Air Compressor
      1. Type: positive displacement, rotary lobe, axial flow.
      2. Drive: accessory gear.
    16. Atomizing Air Pre-Cooler
      1. Type: shell and tube heat exchanger.
      2. Class: fresh water-to-air.
  5. Generator Package
    1. Generator
      1. Type: T174-166 open ventilated.
      2. Rating: 22,950 kVA, 0.8 PF @ 50 degrees C, 3000 RPM, 11,000 volts.
    2. Excitation
      1. Type: brushless.
      2. Rating: 170 volts, 461 amps.
    3. Medium Voltage Frame
      1. MV frame consists of NG terminals.
      2. Includes CTs, VTs, fuses, grounding resistors, excitation transformer.
    4. Reduction Gear
      1. Type: VF63.
      2. Rating: 27,000 kW.
  6. Control Equipment
    1. Turbine control panel: Speedtronic MKII.
    2. Generator control and protection panel: Alsthom.
    3. Unit AC/DC motor control center.
    4. AC/DC distribution.
  7. Off-Base Equipment
    1. Air Inlet Systems
      1. Type: self-cleaning with ducting and silencer (expansion joint between the air inlet elbow and the air inlet plenum included).
      2. Includes supporting steel structure.
    2. Exhaust System
      1. Type: vertical type with exhaust plenum extensions, expansion joint, transition piece, and low frequency silencer.
    3. Off-Base Cooling
      1. Type: water to air fin fan cooler complete with AC driven fans and atmospheric expansion tank with level gauge and filling plug.
    4. Fire Protection for Gas Turbine and Generator
      1. Type: CO2 system with interconnecting piping up to GT package.
  8. Termination Points
    1. Combustion air: inlet face to air inlet filter house.
    2. Exhaust: exit from the gas turbine exhaust system flange.
    3. Fuel: inlet flange to the gas turbine on-base fuel system.
    4. Cooling water: water filling connection on the on-base diesel engine and flanges on the on-base lube oil heat exchanger and atomizing air coolers.
    5. Lube oil make up flange connection on gas turbine on-base reservoir.
    6. Ventilation: inlet/outlet grilles on unit enclosure.
    7. Drains and vents: on-base flange/connections, lube oil vent outlets, gas vent outlets.
    8. Electrical (HV): 11 kV outgoing terminals of generator.
    9. Electrical (LV): LV power terminals on the auto-changeover panel standby supply and junction box (external interfaces by others).
    10. Control system: control terminals on each junction box for external interfaces by others.
    11. Earthing: earthing boss connections (2 per item of equipment).
    12. Generator cooling air: inlet and exhaust flanges of the generator filtered air cooling system.
    13. Compressed air supply: compressed air inlet to the gas turbine filter house and the generator filter house.
  9. Optional Scope of Work
    1. Major Inspection
      1. Scope covers the services and consumables necessary to carry out a flange to flange inspection of the gas turbine.
    2. Compressor Rotor Refurbishment
      1. Scope covers the refurbishment of the turbine compressor rotor including re-blading using new parts.
    3. Compressor Stator Refurbishment
      1. Scope covers stator re-blading and replacement of IGVs using new parts.
    4. Control System
      1. The control system retrofit covers new Sentinel turbine control, generator control panel inclusive of AVR, protection and synchronizing equipment.
    5. Refurbishment of the Following Capital Parts
      1. Liners.
      2. Transition piece.
      3. Fuel nozzle assembly.
      4. 1st stage nozzle.
      5. 2nd stage nozzle.
      6. 1st stage buckets.
      7. 2nd stage buckets.
      8. 1st stage shrouds.
      9. 2nd stage shrouds.