Analysis and Suppression of Leakage Current in Cascaded-Multilevel-Inverter-Based PV Systems
作者： Yan Zhou , Hui Li
DOI: 10.1109/TPEL.2013.2289939
关键词:
摘要: The transformerless cascaded multilevel inverter (CMI) is considered to be a promising topology alternative for low-cost and high-efficiency photovoltaic (PV) systems. However, the leakage current issue resulted from parasitic capacitors between PV panels earth remains challenging in designing reliable CMI-based system. In this paper, paths CMI are analyzed unique features discussed. Two filter-based suppression solutions then presented tackle different applications. Simplified analytical models derived study mechanisms design filters. Study cases demonstrated each of with filter example, simulation experimental verifications.
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