A New High-Efficiency Single-Phase Transformerless PV Inverter Topology

被引：542
|
作者：
Kerekes, Tamas [1 ]
Teodorescu, Remus [1 ,3 ]
Rodriguez, Pedro [2 ]
Vazquez, Gerardo [2 ]
Aldabas, Emiliano [2 ]
机构：
[1] Aalborg Univ, Inst Energy Technol, Power Elect Sect, Aalborg, Denmark
[2] Tech Univ Catalonia UPC, Barcelona, Spain
[3] Aalborg Univ, Green Power Lab, Aalborg, Denmark
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2011年 / 58卷 / 01期
关键词：
Leakage current; parasitic capacitance; switching converter;
D O I：
10.1109/TIE.2009.2024092
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
There is a strong trend in the photovoltaic inverter technology to use transformerless topologies in order to acquire higher efficiencies combining with very low ground leakage current. In this paper, a new topology, based on the H-bridge with a new ac bypass circuit consisting of a diode rectifier and a switch with clamping to the dc midpoint, is proposed. The topology is simulated and experimentally validated, and a comparison with other existing topologies is performed. High conversion efficiency and low leakage current are demonstrated.
引用
收藏
页码：184 / 191
页数：8
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