A comparison study of the two-bladed partial pitch turbine during normal operation and an extreme gust conditions

The Science of Making Torque from Wind 2014

Kim, T.^1 ; Petersen, M.M.^1 ; Larsen, T.J.^1

Department of Wind Energy, Technical University of Denmark, Frederiksborgvej 299, Roskilde, 4000, Denmark^1

关键词: Comparison study;    Edgewise bending;    Gust conditions;    Load measurements;    Measured loads;    Minimum value;    Nonlinear aeroelastic simulations;    Normal operations;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/524/1/012065/pdf
DOI  :  10.1088/1742-6596/524/1/012065

来源: IOP

【 摘 要 】

This paper shows the load comparisons between the numerical simulation and the full-scale load measurement data. First part of this paper includes the comparisons of statistic load in terms of maximum, mean, and minimum values for the selected normal operation cases. The blade root bending moments and tower top bending moments are compared. Second part of this paper introduces the dynamic response comparisons during an extreme wind gust condition where the wind speed changed approximately 10 m/s during three seconds. The rotor speed and blade root flapwise and edgewise bending moment are compared. The nonlinear aeroelastic simulation code HAWC2 is used for the simulations. A very fine agreement between the simulated and the full-scale measured loads is seen for the both comparisons.