Enhanced Fractional-Order Repetitive Control for Three-Phase Active Power Filter

被引：0

作者：

Xie, Chuan ^{[1
]}

Li, Kai ^{[1
]}

Zhao, Xin ^{[2
]}

Vasquez, Juan C. ^{[2
]}

Guerrero, Josep M. ^{[2
]}

机构：

[1] UESTC, Sch Automat Engn, Chengdu 611731, Sichuan, Peoples R China

[2] Aalborg Univ, Dept Energy Technol, DK-9220 Aalborg, Denmark

来源：

2017 THIRTY SECOND ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2017年

关键词：

active power filter; repetitive control; frequency adaptivity; hysteresis; fractional delay;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Fractional-order repetitive control (FORC) has been demonstrated to be able to offer high control accuracy for active power filters (APFs) to compensate the harmonics even in the presence of wide range grid frequency variations. However, the online coefficient update mechanism of the FORC, which significantly influence the control precision, has not yet been carefully studied. In this paper, the effect of coefficient update mechanism on the performance of the FORC is investigated. It was found that the conventional coefficient update mechanism can cause the FORC performance degradation at some certain grid frequency ranges, such as 49.25Hz, 50Hz, 50.25Hz when control frequency is 10 kHz. Thus, a hysteresis based coefficient update method is proposed to solve this problem. A case study regarding parameters design and implementation is given in detail. Finally, experiment results validate the superiority of the proposed scheme.

引用

页码：3329 / 3336

页数：8

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