Detection of Stator Winding Faults in PMSMs Based on Second Harmonics of Phase Instantaneous Reactive Powers

Shaopo Huang, Zhenguo Bi, Zhaojia Sun, Anmol Aggarwal, Xiaoyan Huang, Lijian Wu and Feng Niu
Additional contact information
Shaopo Huang: College of Information Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China
Zhenguo Bi: State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300401, China
Zhaojia Sun: College of Information Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China
Anmol Aggarwal: Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48824, USA
Xiaoyan Huang: College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Lijian Wu: College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Feng Niu: State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300401, China

Energies, 2022, vol. 15, issue 9, 1-18

Abstract: Reliable stator winding faults diagnosis is important for machine drives. This work presents an inter-turn short-circuit (ITSC) winding faults detection method for permanent magnet synchronous motors (PMSMs), based on the percentage of the second harmonics in phase instantaneous reactive powers (IRPs), defined in the abc frame of reference. In particular, the proposed indicator can locate the phase with ITSC for the PMSM with neutral conductor. The feature of ITSC in phase IRP is analyzed theoretically first, and a simulation setup is established in MATLAB/Simulink using the faulty PMSM model widely used for ITSC detection. From the theoretical analysis and the simulations, the second harmonic in phase IRP is proven to be the characteristic feature for fault detection. Simulations at different operating conditions show that the percentage of the second harmonic to its dc component in phase IRP, which is the proposed indicator in this article, is more reliable than the second harmonic amplitude itself for the ITSC detection and location. Experimental tests are carried out on a 3 kW motor with ITSC to investigate the effectiveness of the proposed indicator under different working conditions.

Keywords: faults detection; faults location; inter-turn short-circuit; second harmonic; instantaneous reactive power (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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