A New Five-Level Power Converter for Switched Reluctance Motor Drive

2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI:10.1109/PEAC.2018.8590528

Kexaing yuan, Mingyao Ma, Zhuangzhi Wang, Rui Wang, Shuying Yang

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引用次数: 3

Abstract

Power converter is an important part of switched reluctance motor control system. It provides excitation and demagnetization voltage for phase windings, and its performance will directly affect system performance. A new type of five level power converter is proposed in this paper. The DC side is connected in series with two capacitances. The midpoint of the capacitances is connected to each end of the winding through two switches respectively, and it can work in five different operating modes by controlling the ON-OFF states of switches. Compared with the traditional power converter, the proposed power converter provides more voltage selection, which is beneficial to improve the output performance of the motor. Finally, the control performance of the proposed topology is compared with that of the traditional topology by simulation and experiment. The control method is direct instantaneous torque control. Simulation and experimental results show that the new five level power converter has better torque ripple suppression effect.

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一种新型开关磁阻电机驱动的五电平功率变换器

功率变换器是开关磁阻电机控制系统的重要组成部分。它为相绕组提供激励和退磁电压，其性能将直接影响系统的性能。本文提出了一种新型的五电平功率变换器。直流侧用两个电容串联。电容的中点分别通过两个开关连接到绕组的两端，通过控制开关的通断状态，可以在五种不同的工作模式下工作。与传统的功率变换器相比，所提出的功率变换器提供了更多的电压选择，有利于提高电机的输出性能。最后，通过仿真和实验将所提拓扑与传统拓扑的控制性能进行了比较。控制方法为直接瞬时转矩控制。仿真和实验结果表明，新型五电平功率变换器具有较好的转矩纹波抑制效果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)

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