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World’s largest single rotor tidal turbine will blow you away

13 September 2018

SIMEC Atlantis Energy’s (SAE) new 2.0-megawatt tidal power turbine system includes the largest and most powerful single axis turbine available.

The AR2000 (Credit: SIMEC Atlantis Energy)

This next generation turbine will be capable of accommodating rotor diameters of between 20–24 metres with a cut in speed of less than one metre per second and a maximum of output of 2.0MW at 3.05m/s for a machine with a 20 metre rotor diameter.

The AR2000 has been in development for over two years and builds on the successes and lessons learned from the AR1500 deployment and operation on the world leading MeyGen project in Scotland. SAE has invested more than £5m in the development of this machine which is expected to be deployed on future phases of the MeyGen Project and will be available for sale to commercial developers in Q4 2019.

The turbine is offered as part of a complete rotor to grid tidal generation system, with an array architecture that allows multiple turbines to be connected in parallel, reducing the cost and impact of the subsea infrastructure.

The AR2000 will feature an innovative new electro-mechanical pitch system, 360° of yaw, upgraded on-board health monitoring and diagnostics systems and optimised critical system redundancy. The AR2000 will have a 25-year design life with quarter-life interventions for routine maintenance. The system utilises a quick connect wet-mate system, designed for rapid and safe deployment on either a gravity base or mono pylon of up to eight turbines per day.

Drew Blaxland, Director of Turbine and Engineering Services, said “the AR2000 marks the culmination of 15 years of investment, relentless experimentation, rigorous testing and subsea operation. Not only will it be the largest single rotor turbine in production, it will be the backbone of a highly efficient and cost-effective generation system capable of deployment in each of our key target markets in the UK, France, Channel Islands, Asia, Australia and Canada.

“The AR2000 draws on lessons learned during more than 13,000 hours of operation of the Marine Current Turbines SeaGen turbine in Northern Ireland and 4,000 operational hours of the AR1500 in Scotland. The AR2000 will enable multi-turbine connection onto a single power export cable to reduce cost and its larger rotor diameter will deliver greater efficiencies over a range of flow regimes.”


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