Three-level three-phase transformerless inverter with low leakage current for photovoltaic power conditioning system

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• 作者：Kwang-Seop Kim ; Sung-Ho Lee ; Woo-Jun Cha ; ^{woojun79@postech.ac.kr} ; Bong-Hwan Kwon
• 关键词：Common mode voltage ; Two-stage PV system ; Three-level step-up converter ; Three-phase two-leg inverter
• 刊名：Solar Energy
• 出版年：2017
• 出版时间：15 January 2017
• 年：2017
• 卷：142
• 期：Complete
• 页码：243-252
• 全文大小：2431 K
• 卷排序：142

文摘

The three-phase three-level transformerless inverter has low leakage current. The circuit structure fixes the common mode voltage to a constant value. The dc-link capacitor voltages are easily balanced. The modified T-type inverter has only two legs and reduced number of components.