大功率高频开关电源变压器设计与损耗分析

Design and Power Loss of High Frequency Switch Power Transformer

对高频开关电源的变压器建立了实际等效电路,建立了变压器功率损耗模型。重点对高频开关电源变压器的损耗进行了分析与计算并提出了解决办法,对25kW高频开关电源进行了设计与计算。对设计的开关电源进行数据测试,结果显示该开关电源大大提高了功率因数和效率。

This paper gives actual equivalent circuit and model of power loss of high frequency switch power transformer,and takes the analysis and calculation of power loss of high frequency switch power transformer as an important aspect.This paper gives solutions of it.And also designs and calculates the high frequency switch power transformer whose power is 25 kW.ln the end this paper have measured many datum of the transformer.The datum shows that our transformer in- crease much efficiency and power factor.