This paper presents the modified core loss calculation of the high-speed (HS) permanent magnet synchronous machines (PMSMs) with amorphous metal (AM) stator cores. In the initial stage of the HS PMSM design, the calculation of stator core loss is obtained according to the data of AM ribbon provided by the manufacturer, which causes a large error of AM core loss. So how to make the accurate calculation of the AM core loss with only the AM ribbon data from the manufacturer is impending in the initial and advanced design stages of HS PMSM development. In this paper, the characteristics of AM ribbon and AM stator core is measured and compared. According to the experimental results, the modification factor for the accurate calculation of AM core loss is obtained based on the loss characteristics of AM ribbon. Then, the no-load loss of a HS PMSM prototype with an AM stator core is analyzed by numerical methods and verified by experiments. The proposed modification factor of the AM core loss calculation can provide a reference for the design and analysis of HS AM PMSMs in the industry.

中文翻译：

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带有非晶金属定子铁芯的高速PMSM的修正铁损计算

本文介绍了使用非晶金属（AM）定子铁芯的高速（HS）永磁同步电机（PMSM）的改进铁损计算。在HS PMSM设计的初始阶段，根据制造商提供的AM带的数据获得定子铁心损耗的计算，这会导致AM铁心损耗的较大误差。因此，如何仅利用制造商提供的AM带状数据来准确计算AM磁芯损耗就成为HS PMSM开发的初始和高级设计阶段。本文对AM带和AM定子铁芯的特性进行了测量和比较。根据实验结果，根据AM带的损耗特性，得出了用于精确计算AM磁芯损耗的修正因子。然后，通过数值方法分析了带有AM定子铁芯的HS PMSM原型的空载损耗，并通过实验进行了验证。提出的AM磁芯损耗计算修正因子可为行业HS AM PMSM的设计和分析提供参考。