Alstom, BHEL, TRF, 1989, 7.5 MW, 50 TPH, Back Pressure Steam Turbine Generator Set

Description

  1. Overview
    1. 50 tph coal handling plant
    2. Year: 2009
    3. Brand: TRF
    4. Crushing capacity: 75 tph
    5. Hammer mill type
    6. Primary screen double deck
    7. Secondary screen single deck, conveyors, vibro feeders, etc.
    8. Ash handling plant, ESP, chimney
  2. Boiler Specifications
    1. Capacity: 50 tph
    2. Working pressure: 62 kg/cmsq
    3. Temperature: 480 deg. C
    4. Year: 1988
    5. Commissioning year: 1989
    6. HSA: 2305 sq. mtr.
  3. Turbine Specifications
    1. Type: Back pressure (G-400-2)
    2. Brand: BHEL
    3. Year: 1987
    4. Capacity: 7.5 MW
    5. Speed: 8000 rpm
    6. Inlet pressure: 62 kg/cmsq
    7. Inlet steam temperature: 477 deg. C
    8. Exhaust pressure: 5 kg/cmsq
    9. Exhaust temperature: 190 deg. C
    10. Steam flow @ max. load: 65.56 t/hr
    11. Exhaust flow: 65.56 t/hr
  4. Gearbox Specifications
    1. Type: TG 4
    2. Year: 1987
    3. Power: 7.8 MW
    4. Speeds: 8090/3000 rpm
    5. Gear ratio: 1:2.7
    6. Service factor: 1:1
    7. Oil pressure: 1.8 kg/cmsq
  5. Generator Specifications
    1. Make: BHEL
    2. Year: 1987
    3. Capacity: 7500 kW (9375 kVA)
    4. Speed: 3000 rpm
    5. Specification: IS 4722
    6. Type: TGN 218226/2
    7. PF: 0.8
    8. Voltage: 6600 V
    9. Amps: 820 A
    10. Cycle: 50 Hz
    11. Cooling: Air cooled
    12. Insulation class: B
  6. Exciter Specifications
    1. DC gen type: EX 173166/4
    2. Duty: Continuous
    3. Governor: Woodward 505 E
  7. Condition
    1. Status: Shut down, on foundation with all other associated equipments.