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CONFERENCE PAPER
Evaluation of three-phase transformerless photovoltaic inverter topologies
Location: Aalborg (Denmark)
Publication date: 2007-02-02
Published in: EPE - European Conference on Power Electronics and Applications 2007, Aalborg (Denmark) - EPE2007
ref. 10.1109/EPE.2007.4417475
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Kerekes, T., Teodorescu, R. , Klumpner, C. , Sumner, M. , Floricau, D. ,

 

Abstract

This paper analyzes and compares the most common single-stage transformerless photovoltaic inverter topologies for three-phase grid connection with the main focus on the safety issues that result from the lack of galvanic isolation. The change in the leakage current to ground will be investigated and a comparison of the selected topologies will be carried out, based on the component ratings, output voltage levels and filter size