Research on the Speed Control of Hydraulic Wind Turbine Based on Wind Speed Prediction

被引：0
|
作者：
Ai C. [1 ,2 ,3 ]
Gao W. [1 ]
Chen L. [4 ]
Zhang Y. [1 ]
Guo J. [1 ]
机构：
[1] School of Mechanical Engineering, Yanshan University, Qinhuangdao
[2] Key Laboratory of Advanced Forging & Stamping Technology and Science, Yanshan University, Ministry of Education of China, Qinhuangdao
[3] Hebei Provincial Key Laboratory of Heavy Machinery Fluid Power Transmission and Control, Yanshan University, Qinhuangdao
[4] School of Mechanical Engineering, Nanjing Institute of Technology, Nanjing
来源：
Ai, Chao (aichao@ysu.edu.cn) | 1600年 / Chinese Mechanical Engineering Society卷 / 56期
关键词：
Hydraulic transmission; Speed control; Vertical axis wind turbine; Wind power generation; Wind speed prediction;
D O I：
10.3901/JME.2020.08.162
中图分类号：
学科分类号：
摘要：
Taking the vertical axis hydraulic wind turbine as the research object, the characteristics of the vertical axis wind turbine and the accurate grid-connected motor speed control are researched. Firstly, the mathematic models of vertical axis wind turbine and hydraulic main drive system are established, the aerodynamic characteristics of the vertical axis wind turbine are analyzed, and the periodic fluctuation regularity of the output speed is obtained for the vertical axis hydraulic wind turbine. According to the input speed characteristics of vertical axis hydraulic wind turbine. The predicted wind speed is used to obtain the prediction curve of the wind turbine speed. Then, according to the grid connection requirements of the wind turbine, the high-precision grid-connected control strategy is proposed to make variable hydraulic motor speed stable at the 1 500 r/min ±6 r/min, based on the wind speed prediction, and the control variables are the swing angle of the variable motor and the opening of the proportional flow valve. Finally, the control method is simulated and validated by the Matlab/simulink platform, and considering the real fluctuation of wind speed, and the speed control strategy is tested on the 30 kVA hydraulic wind turbine semi-physical simulation test bench. The results provide theoretical guidance for the wide application of vertical axis hydraulic wind turbine. © 2020 Journal of Mechanical Engineering.
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页码：162 / 171
页数：9
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