AC Copper Loss Evaluation Method for High-Speed PM Motors with Rectangular Coils

被引：0

作者：

Sawahata, Masanori ^{[1
]}

Hori, Masahiro ^{[1
]}

Hara, Takafumi ^{[1
]}

Takahata, Ryoichi ^{[1
]}

机构：

[1] Hitachi Ltd, Res & Dev Grp, 7-1-1 Omikacho, Hitachi, Ibaraki 3191292, Japan

来源：

IEEJ JOURNAL OF INDUSTRY APPLICATIONS | 2025年 / 14卷 / 02期

关键词：

permanent magnet synchronous motor; rectangular coil; AC copper loss;

D O I：

10.1541/ieejjia.24004425

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

One way to reduce the size and increase the power density of a motor is to increase its rotational speed. However, to drive motors at high speeds, the operating frequency must be increased, which increases in harmonic losses, primarily iron loss and AC copper loss. Therefore, harmonic losses must be quantitatively evaluated with high accuracy at the design stage. In this study, the validity of the method for evaluating the AC copper loss during high-speed operation is examined by comparing the difference between analytical values and evaluation formulas based on the relationship between the harmonic components of the voltage and current and slot shape.

引用

页码：340 / 347

页数：8

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