用于高频分析的糊状交流绕组等效电路

G. Grandi, D. Casadei, U. Reggiani
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引用次数: 47

摘要

本文介绍了一种用于交流绕组绞绕线圈高频分析的集总参数等效电路。等效电路考虑了匝间和匝间的杂散电容。此外,还考虑了线圈线圈和层压铁芯中涡流引起的耗散现象。参数识别是基于测试线圈上的正弦阻抗测量。根据所提出的等效电路,可以很容易地推导出多圈交流定子绕组的模型。该模型可用于预测供电交流电机的开关变换器的共模和差模传导电磁干扰。PSpice的仿真结果与实验数据吻合较好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Equivalent circuit of mush wound AC windings for high frequency analysis
The paper describes a lumped parameter equivalent circuit for the HF analysis of mush wound coils of AC windings. The equivalent circuit takes account of turn-to-turn and turn-to-iron stray capacitances. Dissipative phenomena due to eddy currents in the coil wires and the laminated iron core are also considered. The parameter identification is based on sinusoidal impedance measurements on a test coil. The model of a multi-coil AC stator winding can be easily derived from the proposed equivalent circuit. This model allows one to predict both common- and differential-mode conducted EMI in switching converters supplying AC motors. The simulation results obtained by PSpice are in good agreement with the experimental data.
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