Open-fault diagnosis and tolerant control of a dual inverter fed open-end winding interior permanent magnet synchronous motor

IF 1.3 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Power Electronics Pub Date : 2024-05-27 DOI:10.1007/s43236-024-00854-w
Hyung-Woo Lee, Kyo-Beum Lee
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Abstract

This paper proposes a diagnostic and fault-tolerant method for an open-fault condition in dual inverters with open-end winding interior permanent magnet synchronous motors (OEW-IPMSMs). Certain switch pairs show similar behavior in the output current in an open-fault condition due to the structural characteristics of the two-level dual inverter. This work presents a method for detecting open-fault conditions and ensuring a fault-tolerant operation. The proposed method is applied in dual inverters with isolated voltage sources for driving OEW-IPMSM. In the event of an open-fault condition, a pair of switches containing the faulty switch is identified based on the stator current. Subsequently, the switch with the open-fault condition is determined, and fault-tolerant control for a faulty switch is immediately performed through a single-mode operation using zero-voltage vectors. The effectiveness of the proposed detection and tolerant control method is confirmed through simulation and experimental results.

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双变频器馈电开口绕组内部永磁同步电机的开口故障诊断和容差控制
本文提出了一种针对带开口绕组内部永磁同步电机(OEW-IPMSMs)的双逆变器开路故障条件的诊断和容错方法。由于双电平双逆变器的结构特性,某些开关对在开路故障条件下的输出电流表现出相似的行为。本研究提出了一种检测开路故障条件并确保容错运行的方法。所提出的方法适用于具有隔离电压源的双逆变器,用于驱动 OEW-IPMSM 。发生开路故障时,根据定子电流识别出包含故障开关的一对开关。随后,确定出现开路故障的开关,并通过使用零电压矢量的单模式操作立即对故障开关执行容错控制。仿真和实验结果证实了所提出的检测和容错控制方法的有效性。
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来源期刊
Journal of Power Electronics
Journal of Power Electronics 工程技术-工程:电子与电气
CiteScore
2.30
自引率
21.40%
发文量
195
审稿时长
3.6 months
期刊介绍: The scope of Journal of Power Electronics includes all issues in the field of Power Electronics. Included are techniques for power converters, adjustable speed drives, renewable energy, power quality and utility applications, analysis, modeling and control, power devices and components, power electronics education, and other application.
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