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中文摘要：
提出了一种基于电压举升技术（voltage-lift-technique）的新型单开关高增益Boost变换器,不但拓宽了Boost变换器输入电压范围,而且降低了开关管的电压应力,适用于输入电压变化范围较宽的应用场合。与二次型Boost变换器相比,该新型Boost变换器的开关管电压应力低,便于选取导通电阻较小的功率开关管,从而减小开关管的导通损耗,提高变换器的效率。本文分析了该新型高增益Boost变换器的工作原理,研究了电路参数对其稳态工作特性的影响。最后通过仿真及实验验证了理论分析的正确性。
英文摘要：
In this paper, a hybrid topology that combining single-switch quadratic boost converter and voltage lift technique is proposed, and the proposed converter provides high voltage gain and reduced switching voltage stress, and is suitable for application of wide input voltage. The working principle of the new single-switch high gain boost converter is analyzed in this paper. The steady state characteristics of the converter and relationship among circuit parameters are studied. Compared with quadratic boost converter, the switch voltage stress of proposed converter is lower, which enables to use MOSFET switch with lower voltage and on-resistance to reduce costs as well as switc- hing and conduction losses. Simulation and experimental results are presented to verify the theoretical analysis.
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