毕业论文-直驱式永磁风力发电系统设计

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1、 I 直驱式永磁风力发电控制系统设计直驱式永磁风力发电控制系统设计 摘要摘要 风力发电作为绿色能源在全世界迅速发展，这是解决世界能源危机的重要途径，在这个背 景下本文对直驱式永磁风力发电控制系统进行了应用设计。 本文以风力发电的工作原理等基础理论为基本理论，得到一种控制风能的利用效率的变桨 控制的基本控制策略；通过比较当前流行的几个风力发电机组的结构和不同控制方案之间的 不同特点；分析了直驱式永磁风力发电的性能和特点，最终得出本机组需要采用以“同步高 速、无刷励磁旋转、全功率的逆变为核心的技术路线。 本论文最后完成了风力发电机控制系统的设计，以控制系统所要实现的功能为基础，根据 控制系统的要求

2、，分析了系统输出和输入的信号，简单阐述了组成控制系统的硬件系统的可 编程处理器和最主要的控制信号变送器，确定了传感器的类型以及各硬件的配置；以这些为 基础讨论了一些控制系统的控制策略，研究设计了主程序的流程图，变桨距控制图，并详细 的研究了变桨距的控制过程，得出了控制原理和结构组成。 关键词：风力发电机；控制系统；变桨控制 II ABSTRACT Wind power as the rapid development of green energy in the world, it is important to solve the world energy crisis means, in

3、this context of this paper, direct-drive permanent magnet wind power control system for the application design. In this paper, wind power and other basic working principle of the theory of the basic theory, a control variable wind energy utilization efficiency of the basic control strategy for pitch

4、 control. A couple of current by comparing the wind turbine structure and the difference between the different characteristics of the control program; Analysis of direct-drive permanent magnet wind power generation performance and features, and ultimately come to the unit needs to adopt a “synchrono

5、us high-speed, brushless rotary, full-power inverter technologyas the core line. Finally completed the wind turbine control system to control system functions to be achieved, based on the control system according to the requirements of the system output and input signal composed of a simple control

6、system described in the programmable hardware system The main control signal processor and transmitter, to determine the type of sensors as well as the hardware configuration; Based on these discussions a number of control system control strategy, research and design of the main program flow chart, variable pitch control charts, and detailed study of the pitch control of the process, obtained the control principle and structure. KEY WORDS：wind turbine；control system；pitch control III 目录目录