Design and Analysis of a Repetitive Current Controller for a Single-Phase Bridgeless SEPIC PFC Converter

被引：6

作者：

Kim, Jinwoo ^{[1
]}

Han, Sanghun ^{[1
]}

Cho, Wontae ^{[1
]}

Cho, Younghoon ^{[1
]}

Koh, Hyunsoo ^{[2
]}

机构：

[1] Konkuk Univ, Dept Elect Engn, Seoul 05029, South Korea

[2] Texas Instruments Inc, 12500 TI Blvd, Dallas, TX 75243 USA

来源：

ENERGIES | 2019年 / 12卷 / 01期

关键词：

AC-DC converters; bridgeless SEPIC PFC converter; repetitive controller; current distortion; current controller design; GRID-CONNECTED INVERTERS; POWER-FACTOR; RECTIFIER; SWITCH; STAGE;

D O I：

10.3390/en12010131

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：

This paper studies a repetitive controller design scheme for a bridgeless single-ended primary inductor converter (SEPIC) power factor correction (PFC) converter to mitigate input current distortions. A small signal modeling of the converter is performed by a fifth-order model. Since the fifth-order model is complex to be applied in designing a current controller, the model is approximated to a third-order model. Using the third-order model, the repetitive controller is designed to reduce the input current distortion. Then, the stability of the repetitive controller is verified with an error transfer function. The proposed controller performance is validated by simulation, and the experiment results show that the input current total harmonic distortion (THD) is improved by applying the proposed controller for an 800 W bridgeless SEPIC PFC converter prototype.

引用

页数：17

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