摘要
异步电动机的直接转子磁场定向矢量控制系统极其复杂,而且磁链反馈信号不易获取,鉴于此提出了一种基于三电平转差频率控制的方法,该方法无需进行复杂的坐标变换和磁通检测,具有控制精度高、控制方法简单、较高的动静态性能等特点。应用MATLAB/Simulink软件搭建了系统的仿真模型,在仿真实验过程中通过大量的参数调试和配比的优化调节,本系统能够消除稳态误差并能够快速减小偏差。仿真结果证明了,三电平转差频率变频调速系统具有良好的控制性能。
The direct rotor magnetic field oriented vector control system of Aysnchronous motor is very complex,and the flux feedback signal is not easy to obtain.So this article presents a three-level slip frequency control method with high control precision,control method is simple,high static and dynamic performance characteristics based on slip frequency control method,This method does not need complex coordinate transformation and flux detection.By application of MATLAB/Simulink software to build a simulation model,in the simulation a large number of parameters through the process of debugging and optimization of the ratio adjustment,this system can eliminate the steady-state error and the ability to quickly reduce the deviation.The simulation results show,the three-level inverter slip frequency control system has good control performance.
出处
《系统仿真技术》
2012年第1期11-15,31,共6页
System Simulation Technology
基金
黑龙江省教育厅攻关资助项目(12511005)
关键词
转差频率
三电平
仿真
变频调速
slip frequency
three-level
simulation
variable frequency speed regulation
