Automated Monitoring of the Uniform Demagnetization Faults in Permanent-Magnet Synchronous Motors: Practical Methods and Challenges

Junxiang Li, Ziang Li, Jian Zhang, Shuyuan Zhao (), Feitian Cheng, Chuan Qian, Xingyu Hu and Guoxiang Zhou ()
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Junxiang Li: College of Artificial Intelligence and Automation, Beijing University of Technology, Beijing 100124, China
Ziang Li: College of Electrical Engineering, Zhejiang University, Hangzhou 310058, China
Jian Zhang: College of Electrical Engineering, Zhejiang University, Hangzhou 310058, China
Shuyuan Zhao: National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, Harbin 150080, China
Feitian Cheng: Jiangsu Marine Resources Development Research Institute, School of Mechanical Engineering, Jiangsu Ocean University, Lianyungang 222005, China
Chuan Qian: Jiangsu Marine Resources Development Research Institute, School of Mechanical Engineering, Jiangsu Ocean University, Lianyungang 222005, China
Xingyu Hu: Jiangsu Marine Resources Development Research Institute, School of Mechanical Engineering, Jiangsu Ocean University, Lianyungang 222005, China
Guoxiang Zhou: Chongqing Research Institute of Harbin Institute of Technology, Chongqing 401135, China

Sustainability, 2023, vol. 15, issue 23, 1-22

Abstract: Due to its high power, high efficiency, low pollution, and compact size, permanent-magnet synchronous motors (PMSMs) have been widely used in a variety of fields, including electric vehicles, aerospace, wind turbines, and marine devices, which are used in renewable, sustainable, and environmentally friendly energy resources. However, in these practical scenarios, the motor operating conditions are complex and variable. Under high-temperature and high-current conditions, PMSMs may experience demagnetization failures, not only leading to performance degradation but also inducing unexpected failures of the motors. To reduce the risk of unexpected losses caused by demagnetization faults and improve the safety and reliability of motor systems, it is necessary to apply automated monitoring of the magnet flux of the motor’s permanent magnets and achieve real-time diagnosis of early demagnetization faults, ensuring the safe operation of the motor. This review article tries to summarize the current detection methods of the automated monitoring of demagnetization faults in PMSMs. The main online monitoring technologies from both practical and academic perspectives are summarized and their benefits and challenges are reviewed. Finally, the research trends and suggestions for future improvements are provided. This review article not only sheds light on the origins of the automated monitoring of demagnetization faults but also helps to design highly effective and sustainable permanent-magnet synchronous motors.

Keywords: automated monitoring; permanent-magnet synchronous motor; sustainable energy resources; demagnetization faults (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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