A Power Loss measuring technique of Ferrite Core for Switching Power Supply in its actual operating mode
A Power Loss measuring technique of Ferrite Core for Switching Power Supply in its actual operating mode
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开关电源铁氧体磁芯实际工作状态下的功率损耗测量技术
DOI：
10.1109/epe.2005.219431
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发表时间：
2005
期刊：
影响因子：
--
通讯作者：
Ninomiya Tamotsu
中科院分区：
文献类型：
--
作者：
Murata Jinichi;Yukawa Tadashi;Ninomiya Tamotsu
提出了一种基于磁性材料损耗图的铁损计算方法。该方法的一个显著特点是可以方便地动态计算各种变换器中电感上的铁损。提出了一种利用降压斩波电路对动态小磁环进行动态测量的方法。接下来，讨论了从动态小回路测量导出的损耗图的一些典型特性。提出了一种利用损耗图法计算PWM逆变器交流滤波电感铁损的新方法。实验结果表明，用该方法计算的铁损与实际铁损吻合较好
The authors have reported a novel iron loss calculation method based on a loss-map of the magnetic materials. A distinctive feature of this method is that the iron loss on the inductors can easily be calculated in many kinds of converters dynamically. The dynamic measuring method of the dynamic minor-magnetic loop by using the buck-chopper circuit is presented. Next, some typical characteristics of the loss map derived from the dynamic minor loop measurement is discussed. Also, a novel iron loss calculation method of the ac filter inductor on the PWM inverter by using the loss-map method is described. Some experimental results shows that the iron loss obtained from this calculation method coincides well with the actual one