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Toshiba, Sglflow Condensing, 2008, 215 MW, 50 Hz, Dual Fuel Steam Turbine & Generator Power Plant

Toshiba, Sglflow Condensing, 2008, 215 MW, 50 Hz, Dual Fuel Steam Turbine & Generator Power Plant

Description

  1. Overview
    1. Rating: 215 MW
    2. Type: Steam turbine and genset
    3. Brand: Toshiba
    4. Model: Sglflow condensing
    5. Fuel: Dual fuel
    6. Frequency: 50 Hz
    7. Year: 2008
    8. Condition: In storage and never used
    9. No boiler included
  2. Steam Turbine
    1. Extraction and condensing, inlet pressure: 104 bar, output: 215 MW
    2. Extractions: MP2: 22 bar, MPI: 10 bar, LP: 4.5 bar, feed water: 0.4 bar
    3. Minimum load: No extractions, only bleeds, steam flow: 45 kg/s
    4. Maximum load: Steam flow: 270 kg/s
    5. Single flow extraction condensing type; steam enters the steam inlet flange near the end of the high pressure section and flows through the turbine stages toward the generator end
    6. After passing through the turbine stages, the steam is exhausted to condenser
    7. Exhaust hood is keyed to the foundation plates at a point near its center to prevent axial motion; the turbine expands axially from this point
    8. Front standard is free to slide axially but the standard and hood are guided to prevent transverse movement
    9. Weight: 268 tonnes
  3. Technical Specification of Steam Turbine and Aux Type
    1. Single casing single flow impulse type
    2. Condensing turbine
    3. Rated output: 188,000 kW at generator terminal
    4. Speed: 3,000 rpm
    5. Rotation: CCW (viewed from front of turbine)
    6. Last stage bucket active length: 42 in (nominal)
    7. Allowable cycle change: 48.5 to 50.5 Hz
  4. Generator
    1. 250 MVA, air to water cooled, 18 kV, 8019 A, 50 Hz, 3000 rpm
    2. Consists of stator, rotor, cover, bearing and air-to-water cooler
    3. Stationary armature is attached to and supported by generator base
    4. Rotor is supported by the bearings
    5. Air-to-water coolers are mounted above the stator
    6. Cooling system is completely enclosed to prevent exposure to dust and moisture
    7. Weight: 277 tonnes
  5. Control Valve of Main Steam
    1. Steam, after passing through the MSV, is admitted through the CV to the high-pressure turbine
    2. CV controls the amount of steam passing to the turbine
    3. It is opened and closed by an actuator and is controlled by a digital electro-hydraulic control (D-EHC) system through the turbine hydraulic system
  6. Condition and Availability
    1. Built new 2009; this power plant has never been used and is available for immediate inspection and delivery
    2. Never having been used, the plant has no wear whatsoever
  7. Specifications
    1. Weight: 268000