High Reliability and Low Ripple Single-Phase Inverter Topology and Control
2022 IEEE International Power Electronics and Application Conference and Exposition (PEAC)(2022)
摘要
A single-phase Five-Level Split-Inductor Inverter-Improved for transformerless photovoltaic (PV) application is proposed in this article. The proposed inverter utilizes four split inductors, which eliminate the shoot-through issue. Therefore, it is more reliable than conventional converters. Not needing dead time, achieving a high efficiency with lower current THD. Meanwhile, the active power decoupling scheme adopted in this paper can effectively reduce input current ripple. The topology uses GaN MOSFET to increase power density. Finally, the advantages of topology and power decoupling scheme are verified by simulation.
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关键词
inverter,reliability,single-phase
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