| PS-FB-ZVSPWMDC/DC变换器小信号分析与样机研发 |
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| 引用本文： | 周习祥,杨赛良,蔡建交.PS-FB-ZVSPWMDC/DC变换器小信号分析与样机研发[J].电测与仪表,2010,47(1). |
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| 作者姓名： | 周习祥 杨赛良 蔡建交 |
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| 作者单位： | 益阳职业技术学院,湖南,益阳,413049 |
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| 摘 要： | PS-FB-ZVS PWMDC/DC变换器是变换器的一个研究热点,其工作过程与电路参数的设计非常复杂,要提高变换器的系统控制性能,变换器的小信号分析尤为重要。本文在PWM开关等效电路模型的基础上,结合变换器谐振电路的工作特点,建立了PS-FB-ZVS PWMDC/DC变换器的小信号模型,通过对小信号传函幅频特性分析与变换器的时域仿真分析,证明了小信号模型可以用来指导PS-FB-ZVS PWMDC/DC变换器的动态设计,使软开关变换器的动态性能得到进一步的提高,最后通过样机实验证明该电源系统完全符合设计要求。
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| 关 键 词： | DC/DC变换器 小信号分析 仿真分析 样机研发 |
Small-signal Analysis and Prototypical Research of PS-FB-ZVS PWM DC/DC Converter |
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| ZHOU Xi-xiang,YANG Sai-liang,CAI Jian-jiao.Small-signal Analysis and Prototypical Research of PS-FB-ZVS PWM DC/DC Converter[J].Electrical Measurement & Instrumentation,2010,47(1). |
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| Authors: | ZHOU Xi-xiang YANG Sai-liang CAI Jian-jiao |
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| Affiliation: | Yiyang Vocational Technical College;Yiyang 413049;Hunan;China |
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| Abstract: | PS-FB-ZVS PWM DC/DC converter is a hot spot being researched on converters,and the process and the design of circuit parameters are very complex.In order to improve the control performance of the converter system,the small-signal analysis of the converter is particularly important.In this paper,connecting equivalent circuit model of PWM switch and operating characteristic of resonant circuit,small-signal model of the PS-FB-ZVS PWM DC/DC converter is derived.Through analyzing the small-signal transfer functi... |
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| Keywords: | DC/DC converter small-signal analysis simulation analysis prototypical research |
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