Finite Element Analysis of Pre-Bending Blade Model for Wind Turbine Generation System

被引:0
作者
Tian, De [1 ]
Luo, Tao [1 ]
Liang, Junyu [2 ]
Lin, Junjie [1 ]
Deng, Ying [1 ]
机构
[1] State Key Laboratory for Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing,102206, China
[2] Yunnan Electric Power Grid Co., Power Research Institute, Kunming,650217, China
来源
Taiyangneng Xuebao/Acta Energiae Solaris Sinica | 2017年 / 38卷 / 06期
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摘要
In order to reveal the design mechanism of pre-bending blade for wind turbine generation system(WTGS) and achieve the multivariable optimization design, the finite element analysis of different pre-bending initial positions and pre-bending values of 2 MW wind turbine blade was carried out. Modeling of wind turbine blade was carried out by NuMAD, and ANSYS Mechanical APDL software was used to analyze the pre-bending blade. The maximum value of Tsai-Wu intensity factor of the pre-bending blade decreases with the increase of the pre-bending initial position and increases with the increase of the pre-bending value. The blade elongation grows as the pre-bending initial position and pre-bending value increase. The pre-bending blade composite displacement increases with the increase of the prebending initial position and decreases with the increase of the pre-bending value. Therefore, setting pre-bending initial position range from 0. 31R to 0. 52R and pre-bending value from 1.6 to 2.0 meters is more reasonable. © 2017, Editorial Board of Acta Energiae Solaris Sinica. All right reserved.
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页码:1482 / 1488
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