Easily extensible interleaved high step‑up boost converter with low current ripple and low voltage stress

Chuhao Gao; Yubin Wang; Peixin Guo; Gan Zhang

Easily extensible interleaved high step‑up boost converter with low current ripple and low voltage stress

Vol. 24, No. 10, pp. 1538-1549, Oct. 2024

10.1007/s43236-024-00826-0

interleaved

Low voltage stress

Low current ripple

High-voltage gain boost converter

Abstract

An easily extensible interleaved high-voltage gain boost converter is proposed in this paper, which can be applied to electric vehicles, photovoltaic power generation and other fields. The proposed converter is expandable with different voltage multiplication cells according to different gain requirements. The low voltage side of the proposed converter is interleaved with two inductors, and the high voltage side is structured with multiple capacitors in series. The proposed converter has the advantages of low voltage stress for the whole devices, low input current ripple, inductor currents self-averaging, capacitor voltages self-balancing, simple control, and easy extension. First, the structure and principles of the proposed converter are introduced and analyzed. Then the performance of the converter in various aspects is theoretically analyzed and compared with existing converters. Next, the double closed-loop control system is designed. Finally, an experimental prototype with an input of 24 V, an output of 400 V and a rated power of 180 W is built and implemented, and the superior performance of proposed converter is experimentally verified.

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Cite this article

[IEEE Style]

C. Gao, Y. Wang, P. Guo, G. Zhang, "Easily extensible interleaved high step‑up boost converter with low current ripple and low voltage stress," Journal of Power Electronics, vol. 24, no. 10, pp. 1538-1549, 2024. DOI: 10.1007/s43236-024-00826-0.

[ACM Style]

Chuhao Gao, Yubin Wang, Peixin Guo, and Gan Zhang. 2024. Easily extensible interleaved high step‑up boost converter with low current ripple and low voltage stress. Journal of Power Electronics, 24, 10, (2024), 1538-1549. DOI: 10.1007/s43236-024-00826-0.