Sheppard-Taylor isolated high boost DC-DC converter

Publication Type:
Conference Proceeding
Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, 2017, pp. 1695 - 1699
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© 2017 IEEE. This paper presents a new galvanically isolated step-up dc-dc converter intended for low-power but high step-up applications. The proposed converter is capable of regulating output voltage within a wide range of the input voltage or load variations. In contrast to competitors, the converter can be implemented with fewer passive components. Soft-switching in semiconductors allows achieving high efficiency. In addition, the input side current is continuous. The operating principle and the design guidelines derived for the converter are presented. Theoretical results are supported with experimental results obtained using a 100 W prototype. The converter proposed can be used in photovoltaic module level power electronics applications, where a wide input voltage and load regulation range are highly demanded.
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