非理想反激变换器连续工作模式建模分析  

The Modeling Analysis of the Non-ideal Fly-back Converter Operating in a Continuous Mode

作　　者：黄荣赓[1] 

机构地区：[1]厦门理工学院光电与通信工程学院,福建厦门361024

出　　处：《宜宾学院学报》2013年第6期65-67,共3页Journal of Yibin University

摘　　要：基于电路平均法,同时考虑实际变压器、二极管、电容、MOSFET管寄生参数的影响,在连续工作模式下建立非理想反激变换器直流和小信号模型,并推导出传递函数.模型分析以及仿真结果证实所建模型能够准确地反映变换器的实际特性.The DC and small - signal model of the non - ideal Fly - back converter operated in a continuous mode was established on the basis of the classic state - space averaging. The mode considered the influence of parasitic parameters of the actual trans- former, diode, capacitor and MOSFET. And the transfer functions was extracted. The results of model analysis and simulation can reflect the actual characteristics of the converter.

关 键 词：Fly—back DC—DC变换器 非理想 建模 寄生参数 

分 类 号：TN624[电子电信—电路与系统]