电力建设2026，Vol.47Issue(3)：146-159,14.DOI:10.12204/j.issn.1000-7229.2026.03.012
适用于氢燃料电池的双Z源DC-DC高增益变换器研究
Study of Dual Z-Source DC-DC High-Gain Converter for Hydrogen Fuel Cells
摘要
Abstract
[Objective]In response to the insufficient boost capability and excessive device stress when conventional converters are applied to hydrogen fuel cell grid connection,a low electrical stress high-gain single-switch converter based on a dual Z-source network(LEHGSSC-DZ)is proposed.[Methods]This converter places the switching transistor in the quasi-Z source converter upfront to reduce device stress.Simultaneously,one of the inductor components is replaced with a quasi-Z source network,forming a dual-Z source network structure to enhance the converter's boost capability.The operating principle and output characteristics of the converter are analyzed,and a comprehensive comparison is made between the LEHGSSC-DZ and several other high-gain boost converters.Component parameter design is provided based on its output characteristics.The correctness of theoretical analysis and the feasibility of LEHGSSC-DZ are verified through simulations and experiments.[Results]The results demonstrate that the LEHGSSC-DZtopology employs fewer devices and offers superior cost-effectiveness.Compared to conventional Z-source boost converters,it achieves a 43.8%increase in output voltage,while delivering an output voltage that is 5.1 times higher than that of conventional boost converters.Furthermore,it reduces switching device voltage stress by 30%.[Conclusions]The proposed converter offers the distinct advantages of low electrical stress,high gain,and minimal device count,achieving a maximum efficiency of 97.25%.This contributes to enhancing the operational efficiency of hydrogen fuel cell grid-connected systems.关键词
氢燃料电池/高电压增益/准Z源变换器/低电应力/双Z源网络Key words
hydrogen fuel cell/high voltage gain/quasi-Z-source converter/low electrical stress/dual Z-source network分类
信息技术与安全科学引用本文复制引用
汤昊,姜飞,买买提艾力·吾普尔,华东,何桂雄..适用于氢燃料电池的双Z源DC-DC高增益变换器研究[J].电力建设,2026,47(3):146-159,14.基金项目
国家自然科学基金项目(52377166) （52377166）
珠海市产学研合作项目(2320004002712) This work is supported by National Natural Science Foundation of China(No.52377166)and Zhuhai Industry-University-Research Co-operation Project(No.2320004002712). （2320004002712）
