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基于反激式开关电源升压电路的改进
引用本文:陈影,付少波,何惠英,沈虹,范毅军. 基于反激式开关电源升压电路的改进[J]. 电子科技, 2010, 23(2): 61-64
作者姓名:陈影  付少波  何惠英  沈虹  范毅军
作者单位:军事交通学院,基础部,天津,300161
摘    要:已被广泛采用的升压式DC—DC变换器的体积比较大,并且升压比小。文中提出了一种基于自耦变压器升压方式的反激式电路,此电路具有结构简单、体积小、升压比大、效率高等优点。分析了其工作原理,并在理论基础上.实验验证了一种升压300V的反激式DC—DC变换器,证明了自耦变压器升压的反激式电路的可行性。

关 键 词:DC—DC变换器  反激式电路  自耦变压器

Improvement of the Boost Circuit Based on the Fly-back Switching Power Supply
Chen Ying,Fu Shaobo,He Huiying,Shen Hong,Fan Yijun. Improvement of the Boost Circuit Based on the Fly-back Switching Power Supply[J]. Electronic Science and Technology, 2010, 23(2): 61-64
Authors:Chen Ying  Fu Shaobo  He Huiying  Shen Hong  Fan Yijun
Affiliation:Basic Department;Institute of Military Traffic;Tianjin 300161;China
Abstract:Now DC-DC convertor of big in size and low step-up ratio are being put into use on a wide scale.This paper presents a self-couple transformer voltage-elevating fly-back circuit,which has the advantages of simple structure,small size,high step-up ratio and high efficiency.Its working principles are analyzed.A voltage-elevating fly-back type DC-DC convertor based on theory is designed.Finally,the feasibility of self-couple transformer voltage-elevating fly-back circuit is testified by experiment.
Keywords:DC-DC convertor  fly-back type circuit  self-couple transformer  
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