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The frequency-domain method of calculation for the pulsed electromagnetic field in a conductive ferromagnetic plate

机译:导电铁磁板脉冲电磁场​​计算的频域方法

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The technique for parameters determination of magnetic skin effect on ferromagnetic plate at a specified pulse of magnetic field intensity on the plate surface is proposed. It is based on a frequency-domain method and could be applied for a pulsing transformer, a dynamoelectric pulse generator and a commutating inductor that contains an imbricated core. Due to this technique, such plate parameters as specific heat loss energy, the average power of this energy and the plate temperature raise, the magnetic flux attenuation factor and the plate q-factor could be calculated. These parameters depend on the steel type, the amplitude, the rms value, the duration and the form of the magnetic field intensity impulse on the plate surface. The plate thickness is defined by the value of the flux attenuation factor and the plate q-factor that should be maximal. The reliability of the proposed technique is built on a common frequency-domain usage applicable for pulse transient study under zero boundary conditions of the electric circuit and the conformity of obtained results with the sinusoidal steady-state mode.
机译:提出了一种参数测定在板表面上磁场强度的特定脉动脉动的磁性皮肤效应的测定。它基于频域方法,可以应用于脉冲变压器,电动脉冲发生器和包含替代核心的换向电感器。由于该技术,这种板参数作为特定的热损失能量,该能量的平均功率和板温度提高,磁通量衰减因子和板Q系数可以计算。这些参数取决于钢型,幅度,rms值,磁场强度脉冲的持续时间和形式。板厚度由通量衰减因子的值和应最大的板Q因子限定。所提出的技术的可靠性是基于适用于电路的零边界条件下的脉冲瞬态研究的公共频域使用,以及所获得的结果与正弦稳态模式的符合性。

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