基于直接转矩控制方法的四相SRM转矩脉动抑制

2018 IEEE 3rd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC) Pub Date : 2018-10-01 DOI:10.1109/IAEAC.2018.8577728

Yufei Han, P. Xu, Qishuang Ma

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引用次数: 3

摘要

开关磁阻电动机(SRM)以其结构简单、可靠性高、成本低等优点受到电机行业的广泛关注。然而，SRM固有的缺点，主要是转矩脉动，限制了它的发展。本文主要研究四相SRM的直接转矩控制方法。分析了空间磁通矢量与电压矢量之间的关系，建立了开关通断状态原理。利用Simulink对DTC控制策略进行了仿真，并与传统的斩波控制策略(CCC)进行了比较。仿真结果表明，与传统策略相比，四相(8/6)SRM的直接转矩控制策略可使转矩脉动减小73%。

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Torque ripple reduction of four-phase SRM based on DTC method

Switched reluctance motor (SRM) has attracted attention of the motor industry due to its simple structure, high reliability and low cost. However, the inherent shortcoming of SRM, principally the torque ripple, limited its development. In this paper, the direct torque control (DTC) method for four-phase SRM will be researched. The relationship between space flux vector and voltage vector will be analyzed, and the switch on-off state principle will be established. The DTC control strategy is simulated by using Simulink, compared with the widely used traditional strategy -current chopper control (CCC). The simulation shows that DTC for four-phase (8/6) SRM can reduce the torque ripple with 73% compared to the traditional strategy.

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2018 IEEE 3rd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC)

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