二次厚度对直线感应电动机气隙磁场和损耗的影响

2019 12th International Symposium on Linear Drives for Industry Applications (LDIA) Pub Date : 2019-07-01 DOI:10.1109/LDIA.2019.8770995

G. Lyu, Tong Zhou, Dihui Zeng

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引用次数: 1

摘要

直线感应电动机气隙磁场中存在高次空间谐波，谐波分量过大会导致电动机振动和噪声增大。二次厚度是影响气隙磁场谐波分量的一个重要因素。本文采用有限元法计算了带平面二次线的直线感应电动机的气隙磁通密度。给出了气隙磁场中谐波的分布，计算和比较了不同反应板厚度下的谐波畸变和推力波纹，并计算和分析了它们对二次铁芯损耗和涡流损耗的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Influence of the Secondary Thickness on the Air-Gap Magnetic Felid and Losses of the Linear Induction Motor

The high-order space harmonics exist in the airgap magnetic felid of the linear induction motors, and the large harmonic components could lead to increase of the vibration and noise in the motors. The secondary thickness is a very important factor which influences the harmonic components of the air-gap magnetic felid. In this paper, the finite element method is adopted to calculate the air-gap flux densities of the linear induction motors with the flat secondary. The distribution of the harmonic in the air-gap magnetic felid is given, and the harmonic distortions and thrust ripples with the different thickness of the reaction plate and are calculated and compared, as well as the influence on the iron core loss and eddy current loss of secondary are calculated and analyzed.

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2019 12th International Symposium on Linear Drives for Industry Applications (LDIA)

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