Estimation of the Magnetic Field Strength Waveforms under Distorted Flux Density Conditions

Estimation of the Magnetic Field Strength Waveforms under Distorted Flux Density Conditions
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畸变磁通密度条件下磁场强度波形的估计

DOI：
10.1541/ieejfms.126.127
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发表时间：
2006
期刊：
影响因子：
--
通讯作者：
H. Shimoji
H. Shimoji
中科院分区：
--
文献类型：
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作者：
S. Urata;T. Todaka;M. Enokizono;H. Shimoji

文献摘要

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近年来，随着电力电子技术的发展，研究畸变磁通密度波形下的磁场及其特性变得非常重要。此外，我们需要检查2-D矢量磁性以详细了解磁场。本文提出了畸变磁通密度条件下磁场强度波形的估计方法。估计的磁场强度波形，这是所谓的EFS在本文中，计算的磁场强度波形时，可以得到激励与畸变的磁通密度波形的基本正弦频率分量的试样。我们比较了估计磁场强度波形（EFS），测量磁场强度波形（MFS）目录，和线性合成磁场强度波形（LSFS），可以通过线性合成的磁场强度波形的每个频率分量的计算之间的差异，以评估EFS的效率。定义了在磁通密度畸变条件下的磁场强度波形估计方程。我们给出x方向的方程。在y方向上的那些可以通过将“x”改变为“y”来获得。首先，我们定义了取决于涡流的场强波形。方程表示如下，
Recently, to understand the magnetic fields and properties under the distorted flux density waveforms have become very important with the development of power electronics technology. Furthermore, we need to examine the 2-D vector magnetic properties to understand the magnetic field in detail . In this paper, we propose the estimating method of the magnetic field strength waveforms under distorted flux density conditions. The estimated magnetic field strength waveform, which is called as EFS in this paper, is calculated by the magnetic field strength waveform that can be obtained when the specimen is excited with a fundamental sinusoidal frequency component of the distorted flux density waveform. We compare the difference among the estimated field strength waveform (EFS), measured magnetic field strength waveform (MFS) directory, and the linear synthesis magnetic field strength waveform (LSFS) that can be calculated by the linear synthesis of the field strength waveforms of each frequency component, in order to evaluate the efficiency of EFS. We define the equation to estimate the magnetic field strength waveforms under distorted flux density condition. We show the equations in x direction. Those in y direction can be obtained by changing ‘x’ to ‘y’. Firstly, we define the field strength waveforms depending on the eddy current. The equation is expressed as followings,