This paper describes a multi-objective optimization method for the design of stall-regulated horizontal-axis wind turbines. Two modules are used for this purpose: an aerodynamic model implementing the blade-element theory and a multi-objective evolutionary algorithm. The former provides a sufficiently accurate solution of the flow field around the rotor disc; the latter handles the decision variables of the optimization problem, i.e., the main geometrical parameters of the rotor configuration, and promotes function optimization. The scope of the method is to achieve the best trade-off performance between two objectives: annual energy production per square meter of wind park (to be maximized) and cost of energy (to be minimized). Examples of the best solutions found by the method are described and their performance compared with those of commercial wind turbines.
Optimal Design of Horizontal-Axis Wind Turbines Using Blade-Element Theory and Evolutionary Computation
Contributed by the Solar Energy Division of the American Society of Mechanical Engineers for publication in the ASME JOURNAL OF SOLAR ENERGY ENGINEERING. Manuscript received by the ASME Solar Energy Division, August 2001; final revision, July 2002. Associate Editor: D. Berg.
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Benini, E., and Toffolo, A. (November 8, 2002). "Optimal Design of Horizontal-Axis Wind Turbines Using Blade-Element Theory and Evolutionary Computation ." ASME. J. Sol. Energy Eng. November 2002; 124(4): 357–363. https://doi.org/10.1115/1.1510868
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