Effects analysis of misalignments on dynamic characteristics test for permanent magnet synchronous motor
Abstract
Permanent magnet synchronous motor (PMSM) has been widely used in industrial fields. In order to get the performance of PMSM, test of the machine must be executed. More and more applications have started pay attention to the dynamic performance of PMSM. During the dynamic characteristics test of PMSM, the accuracy of the test results affected by misalignments which could affect the useful life of measuring device, and even destroyed the test equipment. In this paper it use the dynamics simulation software to study the characteristics of torque ripple which generated by the misalignments in the dynamic test of the PMSM. It could be provide the basis for separating the toque ripple caused by the misalignments. Simulation results show that with the presence of a parallel misalignment in shafting, the transmitted torque value of parallel misalignment part will be superimposed a sinusoidal torque component. The frequency of the superimposed sinusoidal amount is equal to the frequency of shaft rotational. The amplitude is proportional to the amount of parallel misalignment. The initial phase has relationship with the location of misalignment amount. All of them have nothing do with the value of transmitted torque. Finally, the experimental result verified the accuracy of simulation results.
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In [173], simulation and experimental studies showed torque amplitude is proportional to level of parallel misalignment and frequency of torque pulsations depends on motor speed.
“Simulation and experimental studies showed that the torque amplitude is proportional to the level of parallel misalignment and the frequency of torque pulsations depends on the motor speed.”
From Fault Diagnosis and Fault-Tolerant Control of PMSM Drives–State of the Art and Future Challenges (2022) · cites this paper as [173]
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References 8 · Cited by 9
- Authors
- Liu, X., Liang, D., Du, J., Yu, Y., Yang, X., & Luo, Z.
- Affiliations
- State Key Laboratory of Electrical Insulation and Power Equipment (CN)
- Venue
- 2014 17th International Conference on Electrical Machines and Systems (ICEMS)
- Publisher
- IEEE
- Published
- 2014-10
- Pages
- 1543-1547
- OpenAlex
- W2034466125
- Cited by
- 9
- References
- 8
- Citations by year
- 2025: 1 · 2023: 1 · 2022: 1 · 2021: 3 · 2020: 3
- FWCI
- 0.00
- Type
- conference paper
- Language
- en
- Open access
- closed
- Locations
- International Conference on Electrical Machines and Systems (ICEMS) (publishedVersion)
- Funders
- National Science Foundation
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Electric Motor Design and Analysis
- Physical Sciences › Engineering › Mechanical Engineering › Gear and Bearing Dynamics Analysis
- Physical Sciences › Engineering › Control and Systems Engineering › Machine Fault Diagnosis Techniques
- Keywords
- permanent magnet synchronous motor, shaft misalignment, parallel misalignment, torque ripple, shafting
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