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Subwave Turbines and Floating Wind

The advantages of combining wind and waves should be quite obvious. Common use of anchors, power processing equipment and export cables. Increasing the power output from the one area will be more important in the future as there will be fewer suitable areas left. The wave power plant will absorb a considerable part of the wave energy in the area. This will be beneficial for the stability of the wind generators.

Example: A Combined Wind/Wave Energy Park

This sketch shows a layout for 10 floating wind turbines and 95 wave power turbines. The calculations below are based on 8 MW wind turbines and 15 m wide Subwave turbines and 17 m wide buoys.

The wind resource in the area provides a capacity factor for the wind turbine of 50%, while the wave power resource is 50 kW per meter of wavefront. Due to shadow effects in the park, the available wave energy potential is expected to be reduced to 40 kW per meter of wavefront, on average.

Thus, by including wave energy in the wind farm, the energy output of the park increases from 350 to 474 GWh per year, or from 42 to 57 GWh/yr per square kilometre. 26% of the energy output will come from waves. Based on the given assumptions.

© Waveco AS 2020

Waveco AS, N-6740 SELJE, Norway
M: +47 9951 9795
E: post@waveco.no

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