Evaluation of three-phase transformerless photovoltaic inverter topologies

Evaluation of three-phase transformerless photovoltaic inverter topologies
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DOI：
10.1109/epe.2007.4417475
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发表时间：
2007
期刊：
2007 European Conference on Power Electronics and Applications
影响因子：
--
通讯作者：
T. Kerekes;R. Teodorescu;C. Klumpner;M. Sumner;D. Floricau;P. Rodríguez
T. Kerekes;R. Teodorescu;C. Klumpner;M. Sumner;D. Floricau;P. Rodríguez
中科院分区：
其他
文献类型：
--
作者：
T. Kerekes;R. Teodorescu;C. Klumpner;M. Sumner;D. Floricau;P. Rodríguez

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本文分析和比较了最常见的三相并网单级无变压器光伏逆变器拓扑，重点关注由于缺乏电流隔离而导致的安全问题。将研究对地泄漏电流的变化，并根据元件额定值、输出电压电平和滤波器尺寸对所选拓扑进行比较。
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.