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首页> 外文期刊>IEEE Transactions on Magnetics >Study of Magnetostriction Influence of Electrical Sheet Steel Under Different DC Biases
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Study of Magnetostriction Influence of Electrical Sheet Steel Under Different DC Biases

机译：直流偏置对电工钢板磁致伸缩影响的研究

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摘要

Power transformer iron core is mainly composed of electrical sheet steel, which is easily affected by vibration and noise. Therefore, it is necessary to measure the magnetostriction influence of electrical sheet steel. This paper analyzes the performance of vibration and noise in the power transformer iron core considering the magnetostriction influence of electrical steel sheet under different dc biases. First, the butterfly loops of magnetostrictive and magnetic hysteresis loops of electrical steel sheet measured by using a laser displacement magnetostriction measurement system, and the effect of dc bias on magnetostrictive and hysteresis characteristics was analyzed. Second, modeled to single-valued curves along the rolling direction and transversal direction for the finite-element method. Finally, the simulation results of a single-phase power transformer are verified by the experimental results under the dc bias.
机译：电力变压器铁芯主要由电工钢板组成，容易受到振动和噪声的影响。因此，有必要测量电工钢板的磁致伸缩影响。考虑到不同直流偏压下电工钢板的磁致伸缩影响，本文分析了电力变压器铁芯的振动和噪声性能。首先，使用激光位移磁致伸缩测量系统测量了电磁钢板的磁致伸缩和磁滞回线的蝶形环路，并分析了直流偏置对磁致伸缩和磁滞特性的影响。其次，对有限元方法沿滚动方向和横向的单值曲线建模。最后，通过直流偏置实验结果验证了单相电力变压器的仿真结果。

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