The SWT-7.0-154, which is built around a direct-drive transmission system, is calculated to be capable of churning out 10% more power than its forerunner.

“With the increase of power output, our new direct-drive offshore wind turbine takes a major stride forward,” says Siemens Wind Power chief executive Michael Hannibal.

“Cost reduction through innovation is a key factor in our activities: we retained the proven reliability of the predecessor by refining only the components needed for the power uprate."

Stronger magnets and generator segments in the PMG have been integrated into the turbine design, which is keeping the 154-metre-diameter rotor being flown by the 6MW model.

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