Five-Leg Single-Phase Transformerless Unified Power Quality Conditioner

被引：1

作者：

Cardoso, Jean Torelli ^{[1
]}

Jacobina, Cursino Brandao ^{[1
]}

Felinto, Alan Santana ^{[2
]}

Correa, Mauricio Beltrao de Rossiter ^{[3
]}

机构：

[1] Univ Fed Campina Grande, Elect Engn, BR-58429900 Campina Grande, Brazil

[2] Fed Inst Mato Grosso do Sul, Acad Unity Elect Engn, BR-79100510 Campo Grande, MS, Brazil

[3] Univ Fed Alagoas, Elect Engn Dept, BR-57072900 Maceio, Brazil

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2025年 / 61卷 / 01期

关键词：

Vectors; Voltage; Transformers; Shunts (electrical); Power quality; Modulation; Pulse width modulation; Harmonic analysis; Voltage control; Relays; Unified power quality conditioner; transformerless UPQC; hybrid shunt converter; SYSTEM; UPQC; FILTER;

D O I：

10.1109/TIA.2024.3481359

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper proposes a transformerless single-phase unified power quality conditioner (UPQC) consisting of a three-leg converter and a hybrid shunt converter. The proposed system provides grid voltage compensation for both sags and swells while simultaneously maintaining a high grid-side power factor with low harmonic content. The system operates with a high modulation index during rated conditions and grid voltage sags. Compared to the conventional single-phase three-leg UPQC, the proposed configuration offers advantages regarding required semiconductor device ratings, harmonic distortion, and power losses. The paper presents the system model, a simplified carrier-based space vector pulse-width modulation scheme, operational constraints, and overall control strategies. Simulation and experimental results are addressed to validate the feasibility of the proposed system.

引用

页码：472 / 486

页数：15

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