基于通电空心线圈的脉冲磁场分析

发布时间：2018-03-29 15:07

本文选题：脉冲磁场　切入点：频率时变　出处：《现代电子技术》2017年21期

【摘要】：基于通电空心线圈,运用有限元分析软件以及自行搭建的磁场测量装置研究了激励信号频率、线圈外径对线圈中轴线中点处的磁感应强度的影响,以及在频率时变脉冲信号激励下,线圈中轴线中点处磁感应强度的实时变化。结果表明,线圈中轴线中点处的任意周期内的磁感应强度的均方根值随激励信号频率和线圈外径的增加而减小,仿真分析结果与实测结果的变化规律一致,且与理论分析的结果相同,相对误差在3%以内。在频率时变脉冲信号激励下,仿真与实测的线圈中轴线中点处的磁感应强度变化趋势一致,相对误差在5%以内。
[Abstract]:Based on the electrified hollow coil, the influence of the frequency of excitation signal and the outer diameter of the coil on the magnetic induction intensity at the midpoint of the central axis of the coil is studied by using the finite element analysis software and the self-built magnetic field measuring device. And under the excitation of time-varying frequency pulse signal, the real time variation of magnetic induction intensity at the midpoint of the central axis of the coil is obtained. The root mean square value of magnetic induction intensity decreases with the increase of the frequency of the excitation signal and the outer diameter of the coil in any period at the midpoint of the central axis of the coil. The results of simulation analysis are consistent with the measured results, and the results are the same as those of the theoretical analysis. The relative error is less than 3%. Under the excitation of time-varying frequency pulse signal, the variation trend of magnetic induction intensity at the midpoint of the central axis of the coil measured by simulation is consistent with that at the midpoint of the central axis of the coil, and the relative error is less than 5%.
【作者单位】：大连海事大学轮机工程学院;
【基金】：交通运输部科技计划项目(2015328225150) 中央高校基本科研业务费专项资金(3132016018) 辽宁省教育厅科学研究一般项目资助(L2014198)
【分类号】：O441

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