The losses of magnetic components occupy a considerable proportion in switching power supply, so the calculation of core loss is very important.

磁性元件的损耗在开关电源中占相当大的比例，因此磁芯损耗的计算在开关电源设计中相当重要。

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Through time stepped finite element analysis, some methods for approximate core loss calculation considering only the alternating magnetic filed were proposed in this paper.

依据分立铁耗计算模型，利用时步有限元法计算，提出了磁密波形法和磁密轨迹法两种只采用交变损耗计算系数进行电机铁耗计算的方法。

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High finish rolling temperature promotes the recrystallization of hot-rolled strip, increases favorable texture components, decreases the core loss, and increases magnetic induction of final product.

提高终轧温度可以促进热轧板的再结晶，增加成品中有利织构组分，降低铁损，提高磁感。

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