Our compact modular turbine island designs leverage six decades of innovation and are suitable for most GEN III+ and GEN IV reactors, producing between 50 to 600 MW.

Designed for modularization and compactness

  • Our SMR solutions utilize proven state-of-the-art technology enhanced for performance, reliability, efficiency and maintenance
  • Whether a full ‘turnkey’ turbine island solution or single equipment, our portfolio is designed for modularization and compactness with a high level of factory pre-assembly allowing for simpler installation
  • Arabelle Solutions provides expert engineering support throughout the turbine island development journey, from conceptual work to optimization studies and final equipment selection - for conventional, advanced as well as fusion reactors

A wide portfolio for different output levels

Turbine Output range Steam parameters Application Generator cooling
STF-N600 350-600MW Up to 300 bar/ 630°C Reheat - full speed Hydrogen & Water
STF-N400 250-550MW Up to 185 bar/ 600°C Reheat - full speed Air or Hydrogen
STF-N200 100-350MW Up to 185 bar/ 600°C Reheat/ non-reheat – full speed Air
STF-N100 50-130MW Up to 165 bar/ 565°C Reheat/ non-reheat – full speed Air

Steam turbines for SMRs

Our full speed SMR platform offers standardised configurations depending on power output requirements. All steam turbines are designed with advanced blading technology and a customized flow path to increase performance. A single bearing between turbines and generator enables a smaller footprint. 

Learn more about our turbines
Turbine

Blading technology

  • Optimized airfoil design with high strength steel
  • Robust and reliable damping technology
  • Four-hook root to optimize stress distribution
  • High stage efficiency using state of the art 3D profiles
Turbine

Rotor and bearing design

  • Single bearing between turbines and generator leading to smaller footprint, easy installation  and alignment

  • Welded rotors enable optimal material selection, improved inspection possibility and resistance against Stress Corrosion Cracking

Airtop genertor

Generators for SMRs

With compact sizes our air-, hydrogen- or water-cooled generators allow for easier worldwide delivery, installation, and maintenance. They are versatile, built on over six decades of generators innovation, design improvements and latest monitoring and diagnostic technology. Our generator portfolio meets the requirements and power output of most SMR reactors.

More about our generators

Heat exchangers for SMRs

Arabelle Solutions offers a wide range of compact yet efficient Moisture Separator Reheaters, condensers and feedwater heating equipment for most power output levels and backpressure conditions, designed for optimum integration in the thermodynamic cycle.

Heat exchangers

Turbine island integration

As integration expert Arabelle Solutions can design and deliver full turbine islands, tailored to individual power plants.

From turbines, generators, heat exchangers and pumps to auxiliary equipment, our balance of plant service ensures all components run efficiently and effectively. 

Balance of plant