Mechanism analysis and inclination optimization of the wind turbine side speed limit mechanism
SUN Feng1, WANG Jianwen1,2, LIU Xiongfei 1,3
1.College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot, Inner Mongolia 010051, China; 2.Key Laboratory of Wind and Solar Power Energy Urilization Technology Ministry of Education and Inner Mongolia Construction, Hohhot, Inner Mongolia 010051, China; 3.Yinchuan College, China University of Mining and Technology, Yinchuan, Gansu 750011, China
Abstract：The theoretical torque formula is derived for the small-sized wind turbine with the speed li-mit mechanism. The aerodynamic performance of the blade and the tail, reveals the wind wheel cornering, tail deflection and gravity return torque generation mechanism were anahyzed. The exact expression formula of the moment was derived. It is pointed out that the research on the speed limit mechanism lays an emphasis on the dynamic balance process between lateral torque; On this basis, the selection principle of lateral mechanism important parameters is presented in detail, and under the conbination of post dip β′ and side inclination β″ of 8 different tail oblique hinge axies, using Matlab simulation software we draw the programming tail moment Mb and motor P output power curves. The results show that the post dip β′>side inclination β″structure cornering speed wind turbine can satisfy the requirements of dynamic equilibrium between the torque in the control process. Using Matlab software in the β′>β″ structure found the best angle combination of post dip β′=8 and side inclination β″=3 is found, which can ensure that wind power output is constant and the laterality of the intergral wind turbine is stable, which provides a technical basis for the future which will further analyzing the small-sized wind turbine side mechanism analysis.
孙丰, 汪建文,, 刘雄飞,. 风力机侧偏限速机构的机理分析及倾角优化[J]. 排灌机械工程学报, 2017, 35(2): 152-157.
SUN Feng, WANG Jianwen,, LIU Xiongfei ,. Mechanism analysis and inclination optimization of the wind turbine side speed limit mechanism. Journal of Drainage and Irrigation Machinery Engin, 2017, 35(2): 152-157.
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