Three-Phase Four-Wire Unified Power Quality Conditioner Based on AC-DC-AC Nine-Leg Converter and Shunt Converter

被引：2

作者：

Cardoso, Jean T. ^{[1
]}

Jacobina, Cursino B. ^{[1
]}

Felinto, Alan S. ^{[1
]}

Correa, Mauricio B. R. ^{[1
]}

机构：

[1] Univ Fed Campina Grande, Elect Engn Dept, Campina Grande, Brazil

来源：

2022 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2022年

关键词：

SHARED LEGS;

D O I：

10.1109/ECCE50734.2022.9947873

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：

In this paper, a three-phase transformerless unified power quality conditioner (UPQC) based on a nine-leg converter and a four-wire shunt converter is proposed and investigated. The system ensures grid power factor compensation with low harmonic content and feeds the load with a sinusoidal waveform. The shunt converter provides balanced currents with reactive and harmonic compensation, which allows the nine-leg converter to operate with a wide range of unbalanced loads. In addition, the shared-leg currents are minimized, reducing the power losses. The system model, pulse-width modulation (PWM) techniques, and control strategy are discussed in this work. Experimental results are presented to confirm the feasibility of the proposed structure.

引用

页数：8