基于CFPWM的交流电机调速系统的仿真  

Simulation of AC motor speed regulating system based on CFPWM

作　　者：熊英鹏 毛佳昌 XIONG Ying-peng;MAO Jia-chang(School of Electronic and Information Engineering,Hankou University,Wuhan 430212,China;Changjiang Wuhan Waterway Bureau,Jingzhou 434000,China)

机构地区：[1]汉口学院电子信息工程学院,湖北武汉430212 [2]长江武汉航道局荆州航道管理处,湖北荆州434000

出　　处：《电子设计工程》2020年第3期9-13,共5页Electronic Design Engineering

摘　　要：基于改善交流电机调速系统性能的目的,采用了CFPWM和PID控制技术相结合的方法,运用Simulink构建了交流电机调速系统的模型并进行了仿真。交流电机调速系统模型包括交流异步电机模型、电流跟踪控制器模型、转速环PID控制器模型、全桥逆变电路模型、反馈电路模型以及PID算法模型。通过对交流电机调速系统模型的仿真,得出了应用CFPWM和PID控制技术能够在0.03 s内就完成对给定电流的跟踪,系统输出的电流更加接近正弦波,使整个系统在1.6 s内就能够达到设定的转速。Based on the purpose of improving the performance of ac motor speed regulating system,the model of ac motor speed regulating system is built and simulated by using Simulink. Ac motor speed control system model includes ac asynchronous motor model,current tracking controller model,speed loop PID controller model,full-bridge inverter circuit model,feedback circuit model and PID algorithm model. Through the simulation of ac motor speed regulation system model,it is concluded that the application of CFPWM and PID control technology can complete the tracking of the given current within0.03 s,the output current of the system is closer to the sine wave,and the whole system can reach the set speed within 1.6 s.

关 键 词：交流调速 CFPWM PID 转速控制 

分 类 号：TN710[电子电信—电路与系统]