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The influence of the properties of magnetic materials on a voltage source inverter control

机译:磁性材料的特性对电压源逆变器控制的影响

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Magnetic materials made of iron-powder that are used for the cores of the chokes of voltage source inverters output filters significantly change their power losses and magnetic properties with the frequency and the amplitude of the choke current in the range that is important for designers. This causes the magnitude Bode plot of the VSI control transfer function to have a higher damping coefficient and the resonant frequency that differs from the theoretically calculated one. The paper shows the influence of the properties of magnetic materials on the control of a voltage source inverter. The design of the control loop that takes into account the changes in these properties is presented and tested in the experimental model.
机译:铁粉制成的磁性材料被用作电压源逆变器输出滤波器扼流圈的磁芯,它们的功率损耗和磁性能会随着扼流圈电流的频率和幅度在对设计者重要的范围内发生显着变化。这将导致VSI控制传递函数的大小Bode图具有更高的阻尼系数和与理论计算值不同的谐振频率。本文显示了磁性材料的特性对电压源逆变器控制的影响。在实验模型中介绍并测试了考虑这些特性变化的控制回路设计。

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