三相PWM整流器混合无源控制策略  

A hybrid passive control strategy of three phase PWM rectifier

作　　者：陈美锋 王久和[2] 李万军[1] 杨道宽 晁林[1] CHEN Meifeng;WANG Jiuhe;LI Wanjun;YANG Daokuan;CHAO Lin(School of Automation Engineering,Xi′an Aeronautical Polytechnic Institute,Xi′an 710089,China;School of Automation,Beijing Information Science&Technology University,Beijing 100192,China;School of Mechanical,Electrical and Information Engineering,China University of Mining and Technology(Beijing),Beijing 100083,China)

机构地区：[1]西安航空职业技术学院自动化工程学院,西安710089 [2]北京信息科技大学自动化学院,北京100192 [3]中国矿业大学(北京)机电与信息工程学院,北京100083

出　　处：《北京信息科技大学学报（自然科学版）》2021年第6期1-5,共5页Journal of Beijing Information Science and Technology University

基　　金：国家自然科学基金资助项目(51777012);北京市自然科学基金-市教委联合资助项目(KZ201911232045);西安航空职业技术学院创新团队(KJTD21-002)。

摘　　要：针对三相PWM整流器在双PI控制下交流侧电流畸变率高、系统动态性能差等问题,提出了三相PWM整流器的自抗扰混合无源控制策略。基于三相PWM整流器拓扑结构建立欧拉-拉格朗日(Euler-Lagrange,EL)数学模型,并分别设计内环无源控制器控制交流侧电流,外环自抗扰控制器控制直流侧电压。采用内环无源控制、外环自抗扰控制的混合无源控制策略,可降低整流器交流侧谐波电流含量,提高系统稳态精度以及动态性能。最后通过计算机仿真证明上述控制策略的可行性和优越性。Aiming at the problems of high AC side current distortion rate,poor system dynamic performance of three-phase PWM rectifier under double PI control,a hybrid active disturbance rejection passivity-based control strategy for three-phase PWM rectifier is proposed.The EL(Euler-Lagrange)mathematical model is established based on the rectifier topology,the inner-loop passivity controller is designed to control AC side current,and the outer-loop active disturbance rejection controller is designed to control DC side voltage.The hybrid passive control strategy can reduce the harmonic current content on the AC side of the rectifier,improve the steady-state accuracy and dynamic performance of the system.Finally,the feasibility of the proposed control strategy is verified by computer simulation.

关 键 词：PWM整流器 无源控制 自抗扰控制 电流畸变率 动态性能 

分 类 号：TM46[电气工程—电器]