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基于倍压单元耦合电感高增益DC/DC变换器
High gain DC converter based on voltage doubling unit coupling inductor
投稿时间:2018-05-13  修订日期:2018-07-11
DOI:
中文关键词:  关键词: 倍压单元 高增益 耦合集成 直流变换器
英文关键词:ouble voltage unit  high gain  coupling integrated  DC convert
基金项目:国家自然科学基金项目(面上项目,重点项目,重大项目)
作者单位E-mail
荣德生 辽宁工程技术大学 rongdesheng0@163.com 
袁亚松 辽宁工程技术大学 1404118689@qq.com 
孙瑄瑨 辽宁工程技术大学 1419062335@qq.com 
刘飞扬 辽宁工程技术大学 1282354800@qq.com 
高妍 辽宁工程技术大学 1491106660@qq.com 
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中文摘要:
      提出一种基于倍压单元的新型DC-DC高增益变换器。在传统Boost变换器的基础上引入倍压单元提高变换器电压增益,并把两个储能电感进行磁集成,减小变换器体积和电感电流纹波。分析了该变换器的工作原理以及工作模态,推导了输出电压增益公式,各二极管和开关管的电压应力,以及电感电流纹波。与传统Boost换器相比,电压增益提高了(3+D)倍,开关管应力电压减小明显,电感电流纹波减小一半。并通过仿真和实验,验证了理论分析的正确性。
英文摘要:
      A novel DC-DC high gain converter based on voltage doubling unit is proposed. On the basis of the traditional Boost converter, the voltage doubling unit is introduced to improve the voltage gain of the converter, and the two energy storage inductors are magnetically integrated to reduce the converter volume and the inductor current ripple. The working principle and working mode of the converter are analyzed. The formula of the output voltage gain, the voltage stress of each diode and the switch tube, and the current ripple of the inductor are derived. Compared with the traditional Boost converter, the voltage gain is increased by (3+D) times, and the stress and voltage of the switch tube are reduced obviously, and the ripple of the inductor current is reduced by half. The correctness of theoretical analysis is verified by simulation and experiment.
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