Analysis of Effect of Grid Harmonics and Unbalance on DAB-Based Three-Phase Single-Stage AC-DC Converter and Solutions

被引：17
作者：
Wu, Fengjiang [1 ]
Li, Xiaoguang [2 ]
Wang, Guizhong [3 ,4 ]
Liu, Hongchen [1 ]
Dai, Yong [5 ]
机构：
[1] Harbin Inst Technol, Dept Elect Engn, Harbin 150001, Peoples R China
[2] China Aerosp Sci & Ind Corp Ltd, Beijing 100097, Peoples R China
[3] Harbin Inst Technol HIT Zhangjiakou, Ind & Technol Res Inst, Zhangjiakou 075000, Peoples R China
[4] Hebei Key Lab Grid Adv Measurement & Monitor, Zhangjiakou 075421, Peoples R China
[5] Harbin Inst Technol, Dept Mech & Elect Engn, Harbin 150001, Peoples R China
来源：
IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS | 2022年 / 10卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Harmonic analysis; Power harmonic filters; Capacitors; Switches; Aerospace electronics; Mathematical model; Voltage control; Closed-loop control; current distortion; single-stage isolated ac-dc converter; three phase; REPETITIVE CONTROL; MATRIX CONVERTER; MODULATION; FRAME; STRATEGY; EPLL;
D O I：
10.1109/JESTPE.2021.3105674
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this article, the actions of the dual active bridge (DAB)-based three-phase single-stage ac-dc converter under the nonideal grid conditions and corresponding solution are researched for the first time. The average state-space model of the converter is built first. Then the effect of grid harmonics and unbalance on the three-phase grid current are analyzed and it reals the grid current harmonics, and unbalance is caused by the distorted grid. In order to solve this problem, a proportional-resonant (PR) + reduced parallel repetitive control closed-loop controller of grid current in the two-phase stationary frame is proposed. The parameter constraint and frequency-domain characteristics of the proposed compound controller are analyzed in detail. The detailed experimental results verify the correctness of the theoretical analysis and the feasibility of the proposed closed-loop controller.
引用
收藏
页码：1192 / 1202
页数：11
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