Dynamic Jiles-Atherton Model for Determining the Magnetic Power Loss at High Frequency in Permanent Magnet Machines

被引：33
|
作者：
Du, Ruoyang [1 ]
Robertson, Paul [1 ]
机构：
[1] Univ Cambridge, Elect Engn Div, Cambridge CB3 0FA, England
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2015年 / 51卷 / 06期
关键词：
Finite-element methods (FEMs); magnetic hysteresis; magnetic losses; magnetization; permanent magnet generators; permanent magnet machines; permanent magnet motors; ROTATIONAL CORE LOSSES; EDDY-CURRENT LOSSES; PARAMETER-IDENTIFICATION; ELECTRICAL MACHINES; HYSTERESIS MODEL; MINOR LOOPS; FLUX;
D O I：
10.1109/TMAG.2014.2382594
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：
This paper describes a mathematical model for the dynamic magnetic power losses in the laminated steel stator of high-frequency permanent magnet machines, such as brushless dc (BLDC) motors. The model presented is based on a utilization of the dynamic Jiles-Atherton model. Accurate dynamic B-H curve fitting and magnetic power loss derivations have been achieved, where the calculated magnetic losses have shown similar to 95% accuracy from 5 to 2000 Hz over a flux density range of 1.0-1.6 T. This approach has been applied to estimate the magnetic power loss of a small scale high-frequency (>10 000 r/min) BLDC motor, with calculated and measured losses being in close agreement.
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页数：10
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