Optimal Design of Pitch Mechanism for H-Type Vertical Axis Wind Turbine

被引：0

作者：

Zhang L. ^{[1
]}

Ma D. ^{[1
]}

Zhao X. ^{[1
]}

Mi Y. ^{[1
]}

Zhang S. ^{[2
]}

Wang H. ^{[1
]}

Fan S. ^{[3
]}

机构：

[1] College of Mechanical and Electronic Engineering, China University of Petroleum, Qingdao, 266580, Shandong

[2] College of Chemical Engineering, China University of Petroleum, Qingdao, 266580, Shandong

[3] School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an

来源：

Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University | 2018年 / 52卷 / 03期

关键词：

Angle of attack adjustment; Kinematics simulation; Optimal design; Pitch mechanism; Vertical axis wind turbine;

D O I：

10.7652/xjtuxb201803018

中图分类号：

学科分类号：

摘要：

In order to raise the utilization rate of wind energy in the existing vertical axis wind turbines, the theoretical optimum angles of attack 8° and -8° in upwind area and downwind areas, respectively, of wind rotor are determined for obtaining the maximum tangential force of the wind wheel, and the pitch angle adjustment strategy of blade is worked out. Based on this, the random direction method is applied to optimize the pitch mechanism and the parameter combinations of pitch mechanism at different tip speed ratios are obtained. To validate the pitch mechanism of vertical axis wind turbine, taking tip speed ratio 2 as an example, the kinematics simulation on the model is conducted by ADAMS software, and the rotation angle measuring method is used to fit the curve of blade pitch angle. The calculation results show that the actual pitch angle curve agrees well with the ideal pitch angle curve, which proves that the designed pitch mechanism of vertical axis wind turbine is feasible. Through wind tunnel tests, it was proved that the variable pitch vertical axis wind turbine has better self-starting performance and the power generation efficiency is increased by at least 7.86% than that of the existing vertical axis wind turbine with fixed pitch. © 2018, Editorial Office of Journal of Xi'an Jiaotong University. All right reserved.

引用

页码：132 / 138

页数：6

共 10 条

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