h-darrieus wind turbine with blade pitch control

Clicks: 166
ID: 152533
2009
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Abstract
A procedure for computing the optimal variation of the blades' pitch angle of an H-Darrieus wind turbine that maximizes its torque at given operational conditions is proposed and presented along with the results obtained on a 7 kW prototype. The CARDAAV code, based on the “Double-Multiple Streamtube” model developed by the first author, is used to determine the performances of the straight-bladed vertical axis wind turbine. This was coupled with a genetic algorithm optimizer. The azimuthal variation of the blades' pitch angle is modeled with an analytical function whose coefficients are used as variables in the optimization process. Two types of variations were considered for the pitch angle: a simple sinusoidal one and one which is more general, relating closely the blades' pitch to the local flow conditions along their circular path. A gain of almost 30% in the annual energy production was obtained with the polynomial optimal pitch control.
Reference Key
paraschivoiu2009internationalh-darrieus Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;I. Paraschivoiu;O. Trifu;F. Saeed
Journal ACS omega
Year 2009
DOI
10.1155/2009/505343
URL
http://dx.doi.org/10.1155/2009/505343
Keywords
engineering (general) civil engineering (general)

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