Research on Fault Diagnosis of Asymmetric Three-Level T-Type Power Converter Based on Switched Reluctance Motor

Xing Wang; Hao Chen; Zhengkai Yin; Fan Yang; Alecksey Anuchin; Galina Demidova; Nikolay Korovkin; Sakhno Liudmila; Popov Stanislav Olegovich; Bodrenkov Evgenii Alexandrovich; Mohamed Orabi; Mahmoud Abdelwahab Gaafar

doi:10.23919/PCMP.2024.000377

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Research on Fault Diagnosis of Asymmetric Three-Level T-Type Power Converter Based on Switched Reluctance Motor

更新时间：2026-07-30

- Research on Fault Diagnosis of Asymmetric Three-Level T-Type Power Converter Based on Switched Reluctance Motor
- Research on Fault Diagnosis of Asymmetric Three-Level T-Type Power Converter Based on Switched Reluctance Motor
- 现代电力系统保护与控制（英文） 2025年第6期页码：81-100
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- DOI：10.23919/PCMP.2024.000377
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- 纸质出版：2025
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Xing Wang, Hao Chen, Zhengkai Yin, 等. Research on Fault Diagnosis of Asymmetric Three-Level T-Type Power Converter Based on Switched Reluctance Motor[J]. 现代电力系统保护与控制（英文）, 2025,(6):81-100.

Xing Wang, Hao Chen, Zhengkai Yin, et al. Research on Fault Diagnosis of Asymmetric Three-Level T-Type Power Converter Based on Switched Reluctance Motor[J]. Protection and Control of Modern Power Systems, 2025, (6): 81-100.
Xing Wang, Hao Chen, Zhengkai Yin, 等. Research on Fault Diagnosis of Asymmetric Three-Level T-Type Power Converter Based on Switched Reluctance Motor[J]. 现代电力系统保护与控制（英文）, 2025,(6):81-100. DOI： 10.23919/PCMP.2024.000377.

Xing Wang, Hao Chen, Zhengkai Yin, et al. Research on Fault Diagnosis of Asymmetric Three-Level T-Type Power Converter Based on Switched Reluctance Motor[J]. Protection and Control of Modern Power Systems, 2025, (6): 81-100. DOI： 10.23919/PCMP.2024.000377.

摘要

Abstract

In order to improve the control accuracy of switched reluctance motors (SRMs) without reducing the reliability of the driving system

multilevel power converters can be adopted. Compared to traditional asymmetric half bridge power converters which output three voltages (-U

+U)

asymmetric three-level T-type power converters can output five voltages (-U

-U/2

U/2

U). Meanwhile

asymmetrical three-level T-type power converters can still independently control each phase winding in the SRM. However

research in the field of fault diagnosis for asymmetric three-level T-type power converters is insufficient. To optimize the control of SRM drive systems

this study adopts the asymmetric three-level T-type power converter as the research focus and conducts analysis in conjunction with an appropriate control strategy

thereby advancing both theoretical understanding and practical application in this field. A simulation model and an experimental platform of the SRM drive system based on the asymmetric three-level T-type power converter are developed. Both simulation and experimental results confirm the feasibility of the adopted converter topology and its control strategy

demonstrate the speed and accuracy of the proposed fault diagnosis method

and confirm that the drive system exhibits good dynamic performance.

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