Articles | Volume 5, issue 1
Research article
28 Jan 2020
Research article |  | 28 Jan 2020

Optimal relationship between power and design-driving loads for wind turbine rotors using 1-D models

Kenneth Loenbaek, Christian Bak, Jens I. Madsen, and Bjarke Dam


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Short summary
From the basic aerodynamic theory of wind turbine rotors, it is a well-known fact that there is a relationship between the loading of the rotor and power efficiency. It shows that there is a loading that maximizes the power efficiency, and it is common to target this maximum when designing rotors. But in this paper it is found that for rotors constrained by a load, the maximum power is found by decreasing the loading and increasing the rotor radius. Max power efficiency is therefore not optimal.