Novel Three-Port Converter With High-Voltage Gain
作者： Li-Jhan Chien , Chien-Chih Chen , Jiann-Fuh Chen , Yi-Ping Hsieh
DOI: 10.1109/TPEL.2013.2285477
关键词:
摘要: In this paper, a novel three-port converter (TPC) with high-voltage gain for stand-alone renewable power system applications is proposed. This uses only three switches to achieve the flow control. Two input sources share one inductor. Thus, volume can be reduced. Besides, conversion ratio of higher than other TPCs. degree freedom duty cycle large. The have voltage both low-voltage ports lower turns and reasonable ratio. stress low; thus, conduction loss further improved by adopting low Rds(on) switches. Therefore, high efficiency at same time. operation principles, steady-state analysis, control method are presented discussed. A prototype proposed 24 V photovoltaic source, battery port 48 V, an output 400 implemented verify theoretical analysis. also built tested digital signal processor.
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