NOVEL NON-ISOLATED HIGH BOOST DC-DC CONVERTER

Zhou Xiaoyan; Quan Limin; Li Haibin; Zhang Min

doi:10.19912/j.0254-0096.tynxb.2023-1063

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (11) : 239-246. DOI: 10.19912/j.0254-0096.tynxb.2023-1063

NOVEL NON-ISOLATED HIGH BOOST DC-DC CONVERTER

Zhou Xiaoyan¹, Quan Limin¹, Li Haibin², Zhang Min¹

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Abstract

To address the problem of insufficient boost capability of the conventional Boost converter, this paper proposes a novel non-isolated boost DC-DC converter, which features high voltage gain, continuous input current, low voltage stress on the switch and diodes, and high efficiency. By introducing coupled inductors in the circuit, the circuit can operate at a proper duty cycle D while maintaining the voltage gain by adjusting the turn ratio. The paper begins with an analysis of the operating state of the proposed converter. Then the voltage and current stresses of the components are deduced. Furthermore, to highlight the performance advantages of the proposed converter, it is compared with other topologies. Finally, the feasibility and effectiveness of the proposed converter are verified by an experimental prototype fabricated in the laboratory.

Key words

photovoltaic effects / DC-DC converters / coupled circuits / efficiency / losses / transformer windings

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Zhou Xiaoyan, Quan Limin, Li Haibin, Zhang Min. NOVEL NON-ISOLATED HIGH BOOST DC-DC CONVERTER[J]. Acta Energiae Solaris Sinica. 2024, 45(11): 239-246 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1063

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