Mitsubishi to unveil 7MW offshore turbine

EUROPE: Mitsubishi Power Systems Europe (MPSE) is set to unveil its Sea Angel 7MW wind turbine at the EWEA Offshore show next week.

Beyond the capacity, little is known about the turbine. However, MPSE has revealed it will have a 165-metre rotor and will use subsidiary-Artemis Intelligent Power's (AIP) continuous variable transmission system (CVT).

The turbine is set to be produced in prototype form next year, with a view to installing a trial version in the UK in 2013.

A key benefit of CVT is that it eliminates the need for a power electronic converter. A cost saving on of 11% could be achieved on a 1.5MW turbine with a medium speed generator.

The AIP uses a hydraulic-based CVT system. CVTs are still rare in wind turbines. Alternative versions to Artemis include Voith’s hydraulic WinDrive and VMT's CVT system.

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