Selection of Wind Generator Capacity for Capturing Maximum Wind Energy in Wind Power Generation Systems

T.-H. Yeh and L. Wang (Taiwan)


wind turbine generator, Weibull distribution, capacity factor, normalized average power, windfarm.


This paper presents an approach for selecting capacity of wind turbine generators under different values of wind tower hub height using capacity factor, normalized average power, and the product of both quantities of a wind power generation system. In order to capture the maximum wind energy from wind, most current wind turbines have different hub heights and various values of rated capacity. This paper employs Weibull distribution to describe the probability distribution of wind speed while the important relationships among the expected value and standard deviation of wind speed as well as the scale parameter and the shape parameter of Weibull distribution function are also derived. Finally, a practical windfarm example in Taiwan is employed to examine the proposed method.

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