高频功率铁氧体磁芯损耗的控制

Control of Magnetic Core Losses for High Frequency Power Ferrite

从开关电源变压器的最大容许功率入手，介绍了磁性材料性能因子及其对开发高性能高频功率铁氧体的指导意义。详细分析了功率铁氧体磁芯损耗的组成及其控制方法。最后，介绍了部分磁芯设计技术。

Starting with the dependence of maximum throughput power of switchedpower supply transformers on the properties of core materials, core material performance factorand its instructive interest in developing high frequency power ferrites with optimum parametersare introduced. The components of core losses and their controlling methods are analyzed in detail.Finally, some solutions of core designs are diseribed.