Step-Up Seven-Level Common-Ground Transformerless Inverter

被引：13

作者：

Grigoletto, Felipe Bovolini ^{[1
]}

de Vilhena Moura, Paulo H. M. ^{[1
]}

Chaves, Diego Brum ^{[2
]}

Silva Vilaverde, Jeronimo Dorneles ^{[1
]}

机构：

[1] Fed Univ Pampa, Lab Energy Proc & Control, Alegrete, Brazil

[2] Univ Fed Santa Maria, Power Electron & Control Res Grp, Santa Maria, RS, Brazil

来源：

2021 14TH IEEE INTERNATIONAL CONFERENCE ON INDUSTRY APPLICATIONS (INDUSCON) | 2021年

关键词：

Photovoltaic systems; transformerless inverters; multilevel inverters; leakage current; common-mode voltage; SPACE VECTOR MODULATION; 5-LEVEL INVERTER; TOPOLOGIES; FAMILY;

D O I：

10.1109/INDUSCON51756.2021.9529417

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper proposes a new multilevel inverter for single-phase transformerless systems. The main feature of the proposed topology is to synthesize seven output voltage levels with high voltage gain. In this topology the ground connection is shared between the dc input and ac output which results in constant common-mode voltage, therefore theoretically eliminating the leakage current. Furthermore, the paper presents a description of the circuit and operating principles. Simulation results are presented to verify the feasibility of the proposed inverter.

引用

页码：716 / 722

页数：7

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