REFERENCE WIND SPEED DISTRIBUTIONS AND HEIGHT PROFILES FOR WIND TURBINE DESIGN AND PERFORMANCE EVALUATION APPLICATIONS

摘要

The purpose of this report is to provide a set of reference or standard values of wind profiles, wind speed distributions and their effects on wind turbine performance for engineering design applications. Based on measured Weibull distribution parameters, representative average, low, and high variance data are given for height profiles of mean,25 percentile, and 75 percentile wind speeds;and for wind speed probability density (velocity frequency) functions and cumulative probability (velocity duration) functions at selected heights. Results of a sensitivity analysis of the dependence of wind turbine performance parameters on cut-in speed, and rated speed for various mean wind and wind variance regimes are also presented.