Parallel Connection of Two Single-Phase Ac-Dc-Ac T hree-Leg Converter with Interleaved Technique

被引：0

作者：

Rocha, Nady ^{[1
]}

Jacobina, Cursino B. ^{[2
]}

dos Santos, Euzeli C., Jr. ^{[2
]}

Cavalcanti, Rodolpho M. de B. ^{[2
]}

机构：

[1] Fed Univ Paraiba UFPB, Elect Engn Dept DEE, Joao Pessoa, Paraiba, Brazil

[2] Fed Univ Carnpina Grande UFCG, Elect Engn Dept DEE, BR-58109970 Campina Grande, PB, Brazil

来源：

38TH ANNUAL CONFERENCE ON IEEE INDUSTRIAL ELECTRONICS SOCIETY (IECON 2012) | 2012年

关键词：

RECTIFIERS; INVERTERS; CURRENTS; MODEL;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents a reversible paralleled single-phase to single-phase dc-link converter which can be applied in line voltage regulator, power factor correction (PFC) and uninterruptible power supplies (UPS). It is composed of two single-phase three-leg ac-dc-ac converters with a leg shared by both load and grid sides. Suitable modelling and control strategy of the system are developed. A pulse width-modulation (PWM) technique based on a single and interleaved carriers PWM (double and quadruple carriers) is presented. Proposed topology permits to improve the harmonic distortion reducing the switching stress in dc-link capacitor and power losses. Generalized topology with N parallel dc-link converters is presented. Simulation and experimental results are also presented for confirmation of the performance of the proposed topology.

引用

页码：639 / 644

页数：6

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