A novel quasi-SEPIC high-voltage boost DC-DC converter

Publication Type:
Conference Proceeding
Citation:
Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, 2017, pp. 2213 - 2216
Issue Date:
2017-05-17
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© 2017 IEEE. This paper proposes a modified coupled-inductor SEPIC dc-dc converter for low power and high voltage gain applications such as for piezoelectric drive systems. The converter uses the same components as of SEPIC converter with an additional diode. Compared to conventional topologies with similar voltage gain expression, the proposed topology uses less components to achieve same or even higher voltage gain. This helps to design a very compact and light weight converter with higher power density at lower cost. Due to brevity, the principle of operation, theoretical analysis and comparison supported by some key experimental results of 5 W prototype are presented in brief.
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