交错控制双输入Boost变换器的能量传输模式及输出纹波电压分析

doi:10.19595/j.cnki.1000-6753.tces.200923

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Abstract Multi-input Boost converters have the advantages of small size, low cost, high gain, and flexible control methods compared with Boost converters operating in a traditional parallel mode. Therefore, they have broad application prospects in new energy joint distributed power generation systems. However, due to the existence of multi-input voltage and power switches, the power supply mode and output ripple voltage of the multi-input Boost converter are more complicated than those of traditional Boost converters. In order to provide correct theoretical guidance for the analysis and design of the multi-input Boost converter, this paper studies the power supply mode and output ripple voltage of dual-input Boost converter with interleaved control. It is found that there are three energy supply modes for inductor L₁: complete inductor energy supply mode (CISM), incomplete inductor energy supply mode (IISM) and discontinuous conduction mode (DCM), and two energy supply modes for inductor L₂: continuous conduction mode (CCM) and DCM. The critical inductance of each energy supply mode is derived, and the analytical expression of output ripple voltage of each energy supply mode is obtained. Accordingly, the parameter design method of dual-input Boost converter is given. The experimental results verify the correctness of the theoretical analysis.

Key words： Dual-input Boost converter energy transfer mode the critical inductance output ripple voltage parameter design

Received: 24 July 2020

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	Huang Jinfeng
	Han Mengqi

Cite this article:

Huang Jinfeng,Han Mengqi. Analysis of Energy Transmission Mode and Output Ripple Voltage of Interleaved Dual-Input Boost Converter[J]. Transactions of China Electrotechnical Society, 2021, 36(14): 3022-3033.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.200923 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I14/3022

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