摘要
针对传统直流变换器升压能力不足的问题,在二次型Boost变换器的基础上,结合开关电感单元具有提高升压比的优点,提出了混合二次型Boost变换器.详细分析了混合二次型Boost DC/DC变换器输入电感L_1=L_2、L_1>L_2和L_1<L_2情况下的工作原理.与传统二次型Boost变换器相比,混合二次型Boost变换器升压比更高,输入电感较小.在理论研究基础上,通过搭建实验样机,验证了混合二次型Boost DC/DC变换器的可行性.
Photovoltaics and fuel cells application fields put forward higher requirement on the voltage gain for the boost DC/DC converter. Aiming at the problem of inadequate boost ability of traditional boost DC/DC converter, this paper proposed the hybrid quadratic boost converter by combining with the advantages of the switched-inductor structures to raise the voltage gain of the boost converter, which is based on the quadratic boost converter. According to the different values of the inductor L1 and L2 among switched-inductor structures, the operation principle of the hybrid quadratic boost DC/DC converter is analyzed under condition of L1〉L2, L1=L2 and L1〈L2 in detail. Compared with the conventional quadratic Boost Converter, the voltage gain of the hybrid quadratic boost converter is higher and the input inductor value is smaller. Based on the theoretical study, a test prototype was built and thc experimental results were given to verify the validity of the proposed converter.
出处
《辽宁工程技术大学学报（自然科学版）》
CAS
北大核心
2017年第8期865-871,共7页
Journal of Liaoning Technical University (Natural Science)
基金
北京市青年拔尖人才培育计划项目(CIT&TCT201304111)
北京市自然科学基金重点项目(KZ201511232035)
