Key benefits

Efficiency, flexibility adapted to your plant

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Low installed cost, quick start-up

Designed for floor level installation or on a simple block foundation, the STF-A100 steam turbine lowers building construction time and cost. Installation time and cost is further reduced by shipping the complete steam turbine generator set in four pre-assembled and pre-tested modules.

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Standard frames with customized steam paths

An intelligently designed range of highly standardized modules with a fully customized steam path allows configuration of the STF-A100 steam turbine for any application from a high-performance combined cycle power plant or biomass unit, to an industrial workhorse with process steam extractions.

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High speed up to 135 MW

Building on GE’s unique experience with geared gas turbines of up to 135MW output, the STF-A100 non-reheat steam turbine offers the cost benefit of high-speed steam turbines for applications previously reserved to heavy synchronous designs.

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Key features

STF-A100 non-reheat steam turbine product family

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

  • Reduced lead time thanks to more than 70% of standardized, fixed geometry components, which also helps improving quality, reliability, and maintainability
  • Best performance for both boiler and CCPP applications through dedicated inlet configurations for turbine nozzle control (GRT) or sliding pressure operation (HRT)
  • Competitive performance realized by utilization of advanced 3D controlled diffusion HP/IP blading from GE’s large industrial steam turbine portfolio
  • High back pressure capability, exhaust wetness tolerance, and cycling capacity with GE’s latest nub and sleeve/free tip rear stage design
  • Significant savings of integration cost and construction time resulting from delivery of the STF-A100 steam turbine in four fully assembled and pre-tested modules and its design optimized for floor level installation
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Product specifications

STF-A100 non-reheat steam turbine specifications

Specifications shown are for 50 Hz and 60 Hz.

  STF-A100 (HRT) STF-A100 (GRT)
Main Steam 140bar (2030psig) 565°C (1050F) 125bar (1810psig) 565°C (1050F)
Output ≤ 135 MW ≤ 135 MW
Efficiency ≤ 42% ≤ 42%
Maximum Backpressure ≤ 500 mbar (14.8 in. Hg) ≤ 500 mbar (14.8 in. Hg)
Control Concept Sliding pressure mode, Fixed pressure mode, Hybrid mode Sliding pressure mode, Fixed pressure mode, Hybrid mode
Further reading

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