Study of an active network DC/DC Boost converter based switched-inductor
作者： Ting Wang , Yu Tang , Yaohua He
DOI: 10.1109/ECCE.2013.6647369
关键词:
摘要: Traditional Boost converter cannot provide a high voltage-conversion ratio. It is improper to use traditional as the first-stage of micro-inverter, when we need voltage gain such two-stage photovoltaic grid-connected micro-inverter in some occasions. Since insolated DC/DC converters contain frequency transformers, they have disadvantages both volume and conversion efficiency, transformerless step-up became research hotspot. However, also bring drawbacks: are large, stress power devices very high, still limited control strategies complicated. This paper proposes an active network based on switched-inductor, which has following advantages: higher ratio, lower stress, simpler strategy. A prototype rated at 200W been established lab, experimental results verified correctness analysis.
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