The STF-A200 and STF-D250 (MT) steam turbines provide superior value to renewable and industrial power applications by combining a modern steam path with the flexibility of a fully modular turbine architecture.

HIGH EFFICIENCY

The STF-A200 and STF-D250 offer outstanding performance for biomass, waste-to-energy and industrial applications, using GE’s latest generation of 3D reaction blading, advanced rear stages, and high-performance gland and interstage sealing technology.

CONFIGURATION FLEXIBILITY

The fully modular architecture allows configuring the turbines for even the most demanding applications. Options include scroll or nozzle control inlets, multiple controlled extractions, and condensing, district heating or back pressure type exhausts.

OPTIMIZED FOR INTEGRATION

The STF-A200 steam turbine can is available in a fully assembled/frame mounted configuration to reduce installation time. Low level installation capability and a simplified foundation interface further lower the total installed cost.
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STF-A200 and STF-D250 non-reheat platform

A versatile platform suitable to biomass, waste-to-energy or other renewable steam power applications as well as to combined cycle steam tails or complex industrial co-generation application in either 50 or 60 Hz grids.

Key Product Features/Benefits

  • Robust and versatile turbines with more than 30 years of experience.
  • Outstanding configuration flexibility including nozzle control inlets with up to four individually controlled sectors, scroll inlets, extraction modules, and axial, lateral, or backpressure exhausts.
  • Designed for more than 10,000 starts and rapid transients make the STF-A200 a great choice for low temperature concentrated solar power plants and CCPP applications with a daily start/stop regime.
  • Lower transport cost and steam turbine installation work thanks to optional base frame mounted and factory assembled configuration.
  • Increased turbine efficiency and back pressure capability with advanced 3D, controlled diffusion HP/IP blading and use of GE’s latest “nub and sleeve/free tip” rear stage design.
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STF-A200 (MT) STF-D250
Main Steam 140bar (2030psig) 565°C (1050F) 140bar (2030psig) 565°C (1050F)
Frequency 50 Hz and 60 Hz 50 Hz and 60 Hz
Output ≤ 250 MW ≤ 300 MW
Efficiency ≤ 41% ≤ 42%
Maximum Backpressure ≤ 700 mbar (20.7 in. Hg) ≤ 700 mbar (20.7 in. Hg)
Control Concept Sliding pressure mode
Fixed pressure mode
Hybrid mode
Sliding pressure mode
Fixed pressure mode
Hybrid mode