Transformerless topologies for grid-connected single-phase photovoltaic inverters

被引：118
|
作者：
Patrao, Ivan [1 ]
Figueres, Emilio [1 ]
Gonzalez-Espin, Fran [1 ]
Garcera, Gabriel [1 ]
机构：
[1] Univ Politecn Valencia, Dept Ingn Elect, Grp Sistemas Elect Ind, Camino de Vera S-N, Valencia 46022, Spain
来源：
RENEWABLE & SUSTAINABLE ENERGY REVIEWS | 2011年 / 15卷 / 07期
关键词：
Multilevel inverters; Transformerless inverters; Photovoltaic inverters; Renewable energies; RENEWABLE-ENERGY; CONVERTERS; SYSTEMS;
D O I：
10.1016/j.rser.2011.03.034
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In order to improve the efficiency and reduce the cost of a photovoltaic system, the use of transformerless photovoltaic inverters is an alternative of increasing interest. However, this topology needs to be studied in detail, as it presents some problems related to the galvanic connection between the grid and the photovoltaic generator (e.g. efficiency degradation and safety problems). In this paper, a review of grid-connected single-phase photovoltaic inverters based on transformerless topologies has been carried out. On the one hand, some alternatives based on classical topologies have been presented. On the other hand, alternatives based on multi-level inverter topologies have been studied, showing up that no leakage current is generated in comparison to classical topologies. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3423 / 3431
页数：9
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