小型风力发电机转速控制研究

针对小型风力发电机目前面临的最大难题是其可靠性与安全性问题，即大风时的超速保护问题。总结了国内风机超速保护技术现状，介绍了一种当转速大于转速最值时，用卸荷负载来吸收多余电能，从而使转速降下来直至停机的方法。简介了硬件与软件的设计。

Research on Controlling Speed of Small-type Wind Turbine Generator

The biggest problem facing small-type wind turbine generator at present is that reliability and security, which is the protection problem of overspeed during strong wind. This paper has summarized the situation of overspeed protection technology of domestic fans and introduced a method of using unloading the load to absorb excess energy and then make speed decreased until shutdown when the value of speed is greater than the maximum of speed. The design of hardware and software is briefly introduced.