摘要
风能是目前国内外应用较为广泛的一种绿色可再生能源，近几年我国风电产业的发展十分迅速。然后，越来越多的风力发电系统建并网，风力发电产生的电能受外界因素影响较大，具有一定的随机性和波动性，给并网后的电力系统稳定性带了巨大的影响。然后建立风力发电厂的储能系统是改善此种情况的最好的解决办法。因此，近年来风电场储能装置的装备、容量配置及风力发电成为了研究和应用示范的热点。
首先，确定该系统总体及相应变流器拓扑结构；并建立风力机及发电机相应数学及仿真模型，给出了变流器数学模型，确定本系统整机控制方案。
其次，对风储联合发电系统的构建进行设计，对风力发电特性及风电功率波动特性进行分析，并研究储能系统的工作原理及系统的配置方式。
再次，对永磁直驱式风电机组控制系统整体方案进行设计，包含永磁直驱式风电系统结构、风力发电机的建模与仿真以及永磁同步发电机数学模型进行设计。
最后，在MATLAB/Simulink 工具箱中对所设计的并网控制策略模型进行仿真研究，分别验证了风电场在不同风速下对系统电压、电流以及功率的影响，并在电网正常及对称电网故障下良好并网运行效果。仿真结果表明本文所设计的永磁直驱式风力发电系统并网控制策略的有效性。
关键词：风力发电；永磁直驱；储能系统；并网；PWM 控制
Abstract
Wind energy is a green renewable energy which is widely used at home and abroad, the development of wind power industry in our country has been very rapid in recent years. Then, more and more wind power generation systems are built and connected to the grid. The electricity generated by wind power generation is greatly affected by external factors and has certain randomness and volatility, which has a huge impact on the stability of the grid connected power system. Building energy storage systems for wind farms is the best way to improve the situation. Therefore, in recent years, the equipment, capacity configuration and wind power generation of wind farm energy storage devices have become a hot topic of research and application demonstration.
Firstly, the topology structure of the system and corresponding converters is determined. The corresponding mathematical and simulation model of wind turbine and generator is established. The mathematical model of converter is given to determine the control scheme of the whole system.
Secondly, the construction of the wind-storage combined power generation system is designed, the characteristics of wind power generation and wind power fluctuation are analyzed, and the working principle of the energy storage system and the configuration of the system are studied.
Thirdly, the overall control system scheme of permanent magnet direct drive wind turbine is designed, including the structure of permanent magnet direct drive wind turbine system, the modeling and simulation of wind turbine and the mathematical model of permanent magnet synchronous generator are designed.
Finally, in the MATLAB/Simulink toolbox for the design of the grid control strategy model simulation research, respectively verify the wind farm under different wind speed on the system voltage, current and power, and in the grid normal and symmetrical grid fault good grid operation effect. The simulation results show that the grid-connected control strategy designed in this paper is effective.
Keywords: Wind power generation; Permanent magnet direct drive; Energy storage system; Grid connection; PWM control
目录
摘要............................................................................................................................. I
Abstract.................................................................................................................... II
第一章绪论............................................................................................................... 1
1.1研究课题背景............................................................................................. 1
1.2课题研究现状............................................................................................. 2
1.2.1风力发电现状与趋势.................................................................... 2
1.2.2风电并网问题研究现状................................................................ 3
1.2.3储能技术发展现状......................................................................... 4
1.2.4永磁直驱风力发电系统并网控制策略国内外研究现状.......... 4
1.3本文的主要研究内容................................................................................ 4
第二章风储联合发电系统的构建......................................................................... 6
2.1风力发电特性分析.................................................................................... 6
2.2风力发电系统分类.................................................................................... 8
2.2.1恒速恒频风力发电系统................................................................ 8
2.2.2变速恒频风力发电系统................................................................ 8
2.3风电功率波动特性研究.......................................................................... 10
2.3.1风电功率波动特性分析.............................................................. 10
2.3.2风电功率波动指标...................................................................... 10
2.4储能系统工作原理.................................................................................. 11
2.5风电场储能系统配置方式...................................................................... 11
2.6小结........................................................................................................... 13
第三章永磁直驱式风电机组控制系统整体方案.............................................. 14
3.1永磁直驱式风电系统结构..................................................................... 14
3.1.1风力发电机组结构...................................................................... 14
3.2.1变流器拓扑结构........................................................................... 15
3.2永磁同步电动机数模模型..................................................................... 16
3.3SPWM的工作原理及特点...................................................................... 20
3.3.1 SPWM的工作原理.................................................................. 20
3.3.2 SPWM逆变器的特点.............................................................. 21
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完整论文点击如下链接下载：
https://download.csdn.net/download/weixin_45905610/88575339
永磁直驱风力发电系统的仿真控制研究资源-CSDN文库
matlab建模仿真点击如下链接下载：
https://download.csdn.net/download/weixin_45905610/88575340
永磁直驱风力发电系统的仿真控制研究-matlab仿真资源-CSDN文库
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