A New Direct Instantaneous Torque Control Method of Switched Reluctance Motor and Its High Efficiency Operation

被引：0

作者：

Cai Y. ^{[1
]}

Ju C. ^{[1
]}

Wang H. ^{[1
]}

Wan Y. ^{[1
]}

Zhang H. ^{[1
]}

机构：

[1] Tianjin Key Laboratory of Intelligent Control for Electrical Equipment Tiangong University, Tianjin

来源：

Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2022年 / 37卷 / 18期

关键词：

angle optimization; direct instantaneous torque control; efficiency; Switched reluctance motor; torque ripple;

D O I：

10.19595/j.cnki.1000-6753.tces.212003

中图分类号：

学科分类号：

摘要：

The traditional direct instantaneous torque control (DITC) adopts a single control strategy without considering the output torque change of each phase winding with the rotor position, resulting in large torque ripple during commutation. Therefore, a new DITC method is proposed to suppress the torque ripple of switched reluctance motor (SRM). The conduction period is divided into regions according to the inductance change rule of the motor winding, and proper hysteresis strategies are designed for each region based on the output torque capacity changes in each conduction region. Hence, the internal hysteresis loop of the motor phase with large output torque capacity is used to adjust the torque error in the whole conduction cycle, and the torque ripple of SRM is further reduced. Moreover, the efficiency of the motor is improved by adjusting the turn-off angle online and optimizing the turn-on angle off-line. Simulation and experimental results verify that the proposed method effectively reduces the torque ripple of the SRM and improves the motor efficiency. © 2022 Chinese Machine Press. All rights reserved.

引用

页码：4625 / 4637

页数：12

共 28 条

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