基于风速预测的液压型风力发电机组并网转速控制研究

doi:10.3901/JME.2020.08.162

机械工程学报 ›› 2020, Vol. 56 ›› Issue (8): 162-171.doi: 10.3901/JME.2020.08.162

• 可再生能源与工程热物理 • 上一篇下一篇

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基于风速预测的液压型风力发电机组并网转速控制研究

艾超^1,2,3, 高伟¹, 陈立娟⁴, 张亚滨¹, 郭佳伟¹

1. 燕山大学机械工程学院秦皇岛 066004;
2. 先进锻压成形技术与科学教育部重点实验室(燕山大学) 秦皇岛 066004;
3. 燕山大学河北省重型机械流体动力传输与控制实验室秦皇岛 066004;
4. 南京工程学院机械工程学院南京 211167

收稿日期:2019-03-02 修回日期:2020-01-02 出版日期:2020-04-20 发布日期:2020-05-28
通讯作者: 艾超(通信作者),男,1982年出生,博士,副教授,博士研究生导师。主要研究方向为流体传动与控制和液压型风力发电机组。E-mail:aichao@ysu.edu.cn
作者简介:高伟,男,1990年出生,博士研究生。主要研究方向为流体传动与控制。E-mail:gaowei2018@njit.edu.cn
基金资助:
国家自然科学基金（51775476）、河北省自然科学基金优秀青年基金（E2018203388）和河北省高等学校科学技术研究重点（ZD2016114）资助项目。

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

AI Chao^1,2,3, GAO Wei¹, CHEN Lijuan⁴, ZHANG Yabin¹, GUO Jiawei¹

1. School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004;
2. Key Laboratory of Advanced Forging & Stamping Technology and Science(Yanshan University), Ministry of Education of China, Qinhuangdao 066004;
3. Hebei Provincial Key Laboratory of Heavy Machinery Fluid Power Transmission and Control, Yanshan University, Qinhuangdao 066004;
4. School of Mechanical Engineering, Nanjing Institute of Technology, Nanjing 211167

Received:2019-03-02 Revised:2020-01-02 Online:2020-04-20 Published:2020-05-28

摘要/Abstract

摘要： 以垂直轴液压型风力发电机组为研究对象，主要针对机组的垂直轴风力机特性和高精度并网转速控制展开研究。首先建立风速、垂直轴风力机和液压主传动系统的数学模型，分析垂直轴风力机的空气动力学特性，得到垂直轴风力机输出转速周期性波动规律。根据风速预测曲线，结合垂直轴风力机空气动力学模型，得到风力机转速特性曲线。然后根据机组的实际并网需求，提出基于短期风速预测的变量马达排量和比例节流阀协调控制的高精度并网控制策略，使变量马达转速稳定在1 500 r/min±6 r/min满足并网需求。最终利用Matlab/Simulink软件对所提出的转速控制策略进行仿真验证，并考虑真实风速波动情况，在30 kVA液压型风力发电机组半物理模拟试验台上对转速控制策略进行试验验证。所得到的研究成果为垂直轴液压型风力发电机组的广泛应用提供理论指导。

关键词: 风力发电, 垂直轴风力机, 液压传动, 风速预测, 转速控制

Abstract: 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.

Key words: wind power generation, vertical axis wind turbine, hydraulic transmission, wind speed prediction, speed control

中图分类号:

TK89

艾超, 高伟, 陈立娟, 张亚滨, 郭佳伟. 基于风速预测的液压型风力发电机组并网转速控制研究[J]. 机械工程学报, 2020, 56(8): 162-171.

AI Chao, GAO Wei, CHEN Lijuan, ZHANG Yabin, GUO Jiawei. Research on the Speed Control of Hydraulic Wind Turbine Based on Wind Speed Prediction[J]. Journal of Mechanical Engineering, 2020, 56(8): 162-171.

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基于风速预测的液压型风力发电机组并网转速控制研究

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

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