摘要
本文在转子磁链定向矢量控制的研究基础上,提出了一种基于直轴电压外环PI调节器的弱磁控制策略来解决永磁同步发电机PMSG(Permanent Magnet Synchronous Generator)在高速运行、负载增加时,交轴电枢反应增大使得发电机输出端线电压幅值超出直流母线电压这一问题,并引入电流前馈调节环节,削弱系统扰动对控制性能的影响。最后,对本文所提的控制算法进行仿真及实验验证,证明了所有控制策略的有效性。
A kind of control strategy of d-axis voltage outer-loop PI regulator flux-weakening is put forward based on research on the rotor flux oriented vector control of permanent magnet synchronous generator, to solve the problem of generator output voltage exceeding DC bus voltage caused by cross-axis armature reaction under high speed increased load. And current feed-forward regulation is introduced to weaken the disturbance effect on the performance of control system. Finally, the simulation and experiment proved the validity of all the control strategies.
出处
《大电机技术》
2016年第5期7-10,共4页
Large Electric Machine and Hydraulic Turbine
基金
教育部高等学校博士学科点专项科研基金(200805321038)
关键词
永磁同步发电机
弱磁控制
直轴电压外环
电流前馈调节
permanent magnet synchronous generator
flux-weakening
d-axis voltage outer-loop
current feed-forward regulation
