Morphing segmented wind turbine and related method

Michael S Selig (Inventor), Adam P. Steele (Inventor), Eric Loth (Inventor)

Research output: Patent

Abstract

A downwind morphing rotor that exhibits bending loads that will be reduced by aligning the rotor blades with the composite forces. This reduces the net loads on the blades which therefore allow for a reduced blade mass for a given maximum stress. The downwind morphing varies the amount of downstream deflection as a function of wind speed, where the rotor blades are generally fully-aligned to non-azimuthal forces for wind speeds between rated and cut-out conditions, while only the outer segments of the blades are generally aligned between cut-in and rated wind speeds. This alignment for large (MW-scale) rated turbines results in much larger downstream deflections of the blades at high wind speeds as compared to that of a conventional rigid single-piece upwind turbine blade.
Original languageEnglish (US)
U.S. patent number11466660
Filing date12/18/19
StatePublished - Oct 11 2022

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