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
收藏
页码：472 / 486
页数：15
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