Hitachi, TC4F-26, 1976, 450MW, 2400 psig, 3600 RPM

Description

  1. Overview
    1. Hitachi TC4F-26 steam turbine generator
    2. Nominal rating of 400 mw
    3. Maximum continuous rating of 450 mw
    4. Type TC4R-26
    5. Inlet steam pressure of 2,400 psig
    6. Main steam temperature of 1,000°f
    7. Reheat steam temperature of 1,000°f
    8. Exhaust pressure of 2.5 inches hg abs
    9. Speed of 3,600 rpm
    10. 7 extractions
    11. Year built 1976
  2. Specifications
    1. Brand: Hitachi
    2. Model: TC4F-26
    3. Category: Generators
    4. Subcategory: Steam turbine
  3. Steam Turbine Details
    1. Number of stages: HP 6, IP 4, LP 7x four flow
    2. Last stage bucket height: 26 in
    3. Governor type: Fly ball with rotation pilot valve
    4. 2 main stop valves
    5. 4 control valves
    6. 2 combined reheat valves
    7. Casing: 3 number double wall construction
    8. Rotor: 3 number solid type
    9. Journal bearings: 4 number elliptical
    10. Thrust bearing: 1 number tapered-land type
    11. Shaft gland system: Steam seal with labyrinth packing
    12. Turbine governing device: Mechanical hydraulic governor
  4. Generator Details
    1. Generator type: TFLQQ-K totally enclosed, explosion proof, cylindrical rotor type
    2. AC generator with water cooled stator and hydrogen direct cooled rotor
    3. Outdoor type
    4. Rated capacity: 553,064 kva at 60 psig hydrogen, 0.85 power factor
    5. Rated output: 470,104 kw at 60 psig hydrogen
    6. Terminal voltage: 24,000 v
    7. 3 phases, 60 hz
    8. Double star connection
  5. Condition
    1. Unused