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Vestas to 'challenge scaling rule' with multi-rotor turbine

Vestas has unveiled a multi-rotor concept machine that it says could help challenge the rule that wind turbines must always increase in scale to boost power output.

The wind OEM is installing the four-rotor demonstrator turbine at the Risø test site in co-operation with the Technical University of Denmark.

Vestas said the concept machine is part of a “process of continuous innovation and exploration” designed to help reduce the cost of energy from wind.

The concept will require the development and test of numerous new load and control features, it added.

The machine to be trialled has a tip-height of 74-metres and uses four refurbished V29-225kW nacelles. It includes a host of sensors to measure and test performance, including a Lidar system mounted atop the support structure to monitor wind fields.

Jorge Magalhaes, senior vice president, Vestas Innovation & Concepts, said: “Installing a concept turbine shows that innovation sometimes entails entirely new thinking and new approaches.

“Ultimately, the goal is to assess if we can build an even more cost-efficient turbine by challenging the scaling rules.”

Concepts such as the one being tested could help logistical issues in some markets, Vestas added.

The company and its academic partner will spend the next few years testing the functionality of the prototype turbine.

 

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