逆变器开关周期对于永磁电机电流环控制性能的影响  

Influence of Inverter Switching Cycle on the Performance of Current Loop Control of Permanent Magnet Motor

作　　者：陈中显 夏涛 张莉华 CHEN Zhong-xian;XIA Tao;ZHANG Li-hua(School of Intelligence Manufacturing,Huanghuai University,Zhumadian 463000,China;Smart Grid Research Institute,Nanjing Institute of Technology,Nanjing 211167,China)

机构地区：[1]黄淮学院智能制造学院,河南驻马店463000 [2]南京工程学院智能电网研究院,江苏南京211167

出　　处：《电工电气》2021年第12期11-15,共5页Electrotechnics Electric

基　　金：河南省科技攻关计划项目(212102210255、212102210515)。

摘　　要：在永磁电机电流环PI控制方法基础上,研究了逆变器开关周期对于永磁电机电流环控制性能的影响。阐述了永磁电机电流环PI控制的参数整定理论;在不同逆变器开关周期情况下,分析永磁电机电流环PI控制的性能;搭建硬件平台,基于不同逆变器开关周期,测试永磁电机电流环PI控制的性能。结果分析表明,永磁电机电流环PI控制的最佳性能与逆变器开关周期选取和适当的控制参数修正有关。This paper investigated the influence of the inverter switching cycle on the performance of permanent magnet motor,which was based on the current loop PI(Proportional Integral)control method of permanent magnet motor.It elaborated the parameter tuning of current loop PI control of permanent magnet motor and analyzed the performance of current loop PI control of permanent magnet motor.This study also established a hardware platform based on different inverter switching cycles to test the performance of the permanent magnet motor current loop PI control.The results show that the best function of the current loop PI control of the permanent magnet motor is related to the selection of the inverter switching period and the appropriate control parameter modification.

关 键 词：逆变器 三相永磁同步电机 开关周期 电流环 稳定性 

分 类 号：TM351[电气工程—电机] TM464