永磁同步发电机宽转速范围稳压控制研究

Study of Voltage Stabilization Control of Wide-speed-range Permanent Magnet Synchronous Motor

此处提出一种基于电压平方项差值作为外环比例积分(PI)控制器输入的稳压控制策略,并给出了随电机参数、控制器参数及转速变化的电压环控制参数的整定方法。研究结果表明,发电系统在300~3800 r·min^(-1)宽转速范围内,具有良好的电压跟随性能和负载变化的鲁棒性,实现了高性能稳压控制,实验结果验证了该控制策略的正确性和有效性。

A voltage stabilization control strategy based on voltage square difference as input to proportional integral(PI)controller of outer loop is proposed,and the adjusting method of voltage loop control parameters varying with motor parameters,controller parameters and speed is given.It is shown that the system has a good voltage follow performance and robustness of load changes over a wide speed range of 300-3800 r·min^(-1),and realizes high-performance voltage regulation.Experimental results verify the correctness and effectiveness of the control strategy.