LEAKAGE CURRENT MINIMIZATION TECHNIQUES FOR SINGLE-PHASE TRANSFORMERLESS GRID-CONNECTED PV INVERTERS - AN OVERVIEW

被引：0

作者：

Figueredo, Ricardo Souza ^{[1
,2
]}

Mingorancia de Carvalho, Kelly Caroline ^{[1
]}

Nasri Ama, Naji Rajai ^{[1
]}

Matakas Junior, Lourenco ^{[1
]}

机构：

[1] Univ Sao Paulo, Elect Energy & Automat Dept, Polytech Sch, BR-05508900 Sao Paulo, SP, Brazil

[2] PHB Eletron LTDA, BR-05315020 Sao Paulo, SP, Brazil

来源：

2013 BRAZILIAN POWER ELECTRONICS CONFERENCE (COBEP) | 2013年

关键词：

CM filter; Full-bridge; Leakage current; Single-phase; Transformerless PV inverter; PHOTOVOLTAIC SYSTEMS; FILTER; DESIGN;

D O I：

暂无

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 presents an overview about techniques employed to minimize the leakage current in single-phase transformerless grid-connected PV inverters, using topologies derived from the full-bridge voltage source inverter (VSI). Some representative topologies and common mode (CM) filter implementations are presented. Among the analyzed solutions, a CM filter integrated to the harmonics filter, applied to a conventional full-bridge converter with unipolar output voltage, represents a promising solution, confirmed by simulation and experimental results. Additionally, discussions about safety standards and analysis of leakage current production mechanism are presented.

引用

页码：517 / 524

页数：8

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