Gyroscopic effects on a large vertical axis wind turbine mounted on a floating structure

Pierre Blusseau and Minoo H. Patel

Renewable Energy, 2012, vol. 46, issue C, 31-42

Abstract: This paper presents an analysis technique for investigating the effects of gyroscopic couples on the behaviour of a large vertical axis wind turbine mounted on a floating semi-submersible vessel. Equations of motion in 6 degrees of freedom are formulated in the frequency domain. Time domain aerodynamic loads are derived from a double multiple stream tube model based Paraschivoiu [13]. These loads are transposed to the frequency domain and integrated with a formulation of the gyroscopic moments acting for the wind turbine rotating and the semi-submersible rotating in roll and pitch due to ocean waves. The paper uses this model to explore the effect of gyroscopic effects on the motions of the turbine and semi-submersible. It is shown that the gyroscopic effect has negligible effects on some modes of motion but that it introduces significant motions at key frequencies related to rotor speed.

Keywords: Gyroscopic effects; Vertical axis wind turbines; Floating wind turbines (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:46:y:2012:i:c:p:31-42

DOI: 10.1016/j.renene.2012.02.023

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