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Specifications:
- Nominal rating 400MW
- Max continuous rating 450MW
- Type TC4F-26
- Inlet Pressure: 2,400psig,
- Inlet Temperature: 1,000F
- Reheat steam 1,000F
- Exhaust pressure 2.5inch Hg. Abs.
- 3,600rpm
- 7 extractions
- Stages: HP 6, IP 4, LP 7xfour flow
- Last stage bucket height 26in
- Governor type: fly ball with rotation pilot valve,
- 2 main stop valves, 4 control valves, 2 combined reheat valves
- Casing: 3 number double wall construction
- Rotor: 3 number solid type
- Journal bearings: 4 number elliptical
- Thrust bearing: 1 number tapered - land type
- Shaft gland system: steam seal with labyrinth packing
- Turbine governing device: Mechanical hydraulic governor
Generator: TFLQQ-K totally enclosed
o Explosion proof, cylindrical rotor type
o AC generator with water cooled stator, and hydrogen direct cooled rotor
o Outdoor type
o Rated capacity 553,064 kVA at 60psig hydrogen
o Power Factor: 85
o Rated output: 470,104kW at 60psig hydrogen
o Terminal voltage 24,000V, 3 phases, 60Hz.
o Double star connection
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