Iron Loss Analysis of Permanent Magnet Motors Fed by PWM Inverter

被引：1
|
作者：
Maruyama, Eri [1 ]
Takahashi, Akeshi [2 ]
Wakui, Shinichi [3 ]
Hatsune, Wataru [1 ]
机构：
[1] Hitachi Res Lab Ltd, Tokyo, Japan
[2] Hitachi Ltd, Power Syst Co, Tokyo, Japan
[3] Hitachi Appliance Ltd, Tokyo, Japan
来源：
ELECTRICAL ENGINEERING IN JAPAN | 2016年 / 194卷 / 03期
关键词：
PWM inverter; PM motor; eddy current loss; carrier harmonics; iron loss; MACHINES;
D O I：
10.1002/eej.22786
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：
Carrier harmonic losses that consist of iron loss, eddy current loss, and ac copper loss are produced in a permanent magnet machine driven by a PWM inverter. It is already known that a higher motor inductance can lead to lower carrier harmonic losses. This paper investigates the carrier harmonic loss composition of two motors with identical dimensions but different inductances. The results of finite element analysis (FEA) showed that the eddy current loss in the iron core accounts for most of the carrier harmonic loss. It is also shown that the carrier harmonic loss of the iron core is quantifiable using theoretical calculations.
引用
收藏
页码：51 / 58
页数：8
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