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Research on Performance and Loss of Permanent Magnet Synchronous Motor...
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Research on Performance and Loss of Permanent Magnet Synchronous Motor System

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F: Electrical Engineering".

Deadline for manuscript submissions: closed (5 February 2024) | Viewed by 8498

Special Issue Editor

Dr. Wenzhe Deng

E-Mail Website
Guest Editor
School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China
Interests: analysis and control of electric motors; vibroacoustic analysis of electrical motors; fault analysis of electric motors

Special Issue Information

Dear Colleagues,

Permanent Magnet Synchronous Motors (PMSM) have been widely used in vehicle, industrial, and household applications, with their advantages including their high efficiency and high power density, and as well as their compact structure. The performance of the PMSMs, such as efficiency, thermal behavior, vibroacoustics, control, and so on, deserves extensive attention.

This Special Issue aims to present the most recent advances related to the performance of PMSMs. Topics of interest for publication include, but are not limited to:

  • Advances in the PMSMs;
  • Electric field analysis of PMSMs;
  • Losses of PMSMs;
  • Thermal analysis of PMSMs;
  • Efficiency improvement;
  • Torque ripple suppression;
  • Vibro-acoustic prediction and suppression;
  • Novel control strategies of PMSMs;
  • Advanced modeling approaches;
  • Multi-objective optimization.

Dr. Wenzhe Deng
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • electric motors
  • electric field
  • torque ripple
  • vibration and noise
  • losses
  • temperature
  • control
  • fault diagnosis

Published Papers (5 papers)

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Research

15 pages, 5446 KiB  
Article
Influence of Magnetic Pole Stepping Combined with Auxiliary Stator Slots on the Stability of Dual-Rotor Disc Motors
by Tong Guo, Yang Cao, Zhong Qian, Jianping Xia, Xuhong Kang, Guanben Xia, Yanan Yang, Wendong Zhang, Yujie Wang and Guoqing Wu
Energies 2023, 16(22), 7512; https://doi.org/10.3390/en16227512 - 9 Nov 2023
Viewed by 765
Abstract
With the growing utilization of disc motors, the enhancement of their operational stability has become a critical research area. The existing studies usually focus on improving the pole structure of the rotor or the stator structure to optimize one performance of the motor [...] Read more.
With the growing utilization of disc motors, the enhancement of their operational stability has become a critical research area. The existing studies usually focus on improving the pole structure of the rotor or the stator structure to optimize one performance of the motor and less on optimizing multiple performances. This paper simultaneously improves the rotor pole structure and stator tooth structure of the motor in order to optimize the sinusoidal waveform of the no-load back electromotive force and the cogging torque at the same time to achieve the goal of reducing the vibration and noise of the permanent-magnet synchronous dual-rotor statorless magnetically coupled disc motor and improve its operational stability. A finite element simulation model of a 20-pole, 24-slot permanent-magnet synchronous dual-rotor statorless magnetically coupled disc motor is established to analyze the influence of various factors, including the number of magnetic pole steps, the opening position, depth, and width of the stator auxiliary slot, on the motor performance. The results show that this stator–rotor combination improvement method effectively reduces the total harmonic distortion (THD) and attenuates multiple harmonics, and the peak cogging torque pulsation is significantly improved while other properties of the motor meet the technical requirements, and the motor performance is improved. Full article
(This article belongs to the Special Issue Research on Performance and Loss of Permanent Magnet Synchronous Motor System)
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11 pages, 2640 KiB  
Article
Multi Objective Optimization of Permanent Magnet Synchronous Motor Based on Taguchi Method and PSO Algorithm
by Yinquan Yu, Pan Zhao, Yong Hao, Dequan Zeng, Yiming Hu, Bo Zhang and Hui Yang
Energies 2023, 16(1), 267; https://doi.org/10.3390/en16010267 - 26 Dec 2022
Cited by 2 | Viewed by 1424
Abstract
To solve the optimization issues of interior permanent magnet synchronous motors (IPMSMs) and ensure a large output torque while minimizing torque ripple and core loss, the multi-objective optimization strategy should be employed. In this study, we took an 8-pole, 48-slot IPMSM as a [...] Read more.
To solve the optimization issues of interior permanent magnet synchronous motors (IPMSMs) and ensure a large output torque while minimizing torque ripple and core loss, the multi-objective optimization strategy should be employed. In this study, we took an 8-pole, 48-slot IPMSM as a specimen. First, the width and thickness of the permanent magnet (PM) and the rotor bridge structures were pre-selected as optimization parameters, while torque ripple and core loss were taken as optimization targets. Then, the Taguchi method to perform orthogonal experiments was employed to select the multi-parameter combinations that make the experimental results stable and with little fluctuation. To ensure the optimal results, the function equations were obtained by multivariate nonlinear fitting, while the parameters were optimized by particle swarm optimization (PSO). Finally, the optimal results were verified by the Finite Element Method (FEM). The results show that our proposed hybrid method can provide an optimal design strategy with better performance such as smaller torque ripple and core loss while maintaining a larger output torque. Full article
(This article belongs to the Special Issue Research on Performance and Loss of Permanent Magnet Synchronous Motor System)
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10 pages, 3471 KiB  
Article
Effect of Slot Opening on Permanent Magnet Power Loss of a Permanent Magnet Synchronous Machine Driven by PWM
by Guohui Yang, Xiaolu Wang, Chaofan Yang, Danyang Wang, Hao Wu and Xin Wang
Energies 2022, 15(20), 7485; https://doi.org/10.3390/en15207485 - 11 Oct 2022
Cited by 1 | Viewed by 1254
Abstract
In this study, the influence of slot opening on the leakage reactance, power factors, winding current, and air gap flux density, as well as other parameters of the surface-mounted permanent magnet synchronous motor driven by an inverter is analyzed using the two-dimensional time-step [...] Read more.
In this study, the influence of slot opening on the leakage reactance, power factors, winding current, and air gap flux density, as well as other parameters of the surface-mounted permanent magnet synchronous motor driven by an inverter is analyzed using the two-dimensional time-step finite element method. Thus, the law of permanent magnet power loss caused by slot opening under PWM qa obtained. The results show that the leakage reactance of the motor increased when the slot opening decreased from 7 mm to 2 mm. Then, the armature ripple current caused by the inverter was found to be suppressed well, and the high harmonic current was filtered well. This reduced the amplitude of the high-order harmonic of the air gap flux density, and the permanent magnet power loss was reduced by nearly 75%. Finally, two prototypes with different slot openings were tested for permanent magnet temperature rise, which verified the analysis method and calculation results proven in this paper. Full article
(This article belongs to the Special Issue Research on Performance and Loss of Permanent Magnet Synchronous Motor System)
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13 pages, 2927 KiB  
Article
Modeling and Evaluation of SiC Inverters for EV Applications
by Hui Su, Lijun Zhang, Dejian Meng, Yisu Li, Na Han and Yuxin Xia
Energies 2022, 15(19), 7025; https://doi.org/10.3390/en15197025 - 24 Sep 2022
Cited by 3 | Viewed by 2551
Abstract
In this paper, the efficiency benefits of adopting Silicon–Carbide devices for electric vehicle applications are studied. A hybrid time and frequency domain-based simulation tool is developed for the Silicon–Carbide (SiC) traction inverter modeling. The tool provides steady-state results with comparable accuracy to standard [...] Read more.
In this paper, the efficiency benefits of adopting Silicon–Carbide devices for electric vehicle applications are studied. A hybrid time and frequency domain-based simulation tool is developed for the Silicon–Carbide (SiC) traction inverter modeling. The tool provides steady-state results with comparable accuracy to standard time domain methods and achieves a factor of thousand reductions in time when simulating a large number of operating points. Especially, the impact of temperature-dependent device losses has been considered to ensure the simulation precision. Next, a vehicle-level modeling is developed to evaluate the impact of the inverter efficiency on the endurance mileage increase of vehicles. It is found that, by applying Silicon–Carbide devices, the energy consumption of the inverter can be greatly reduced by 3/4 under WLTC (World light light-duty vehicle test cycle) profile. It can be transformed into a mileage endurance increase of 3–5%. The impact of the drive cycle profile and the vehicle’s drag coefficient on the endurance mileage are evaluated as well. In addition, an economic/cost model is developed for selecting the “optimal” chip paralleling number for Silicon–Carbide power modules. Interestingly, the results indicate that this number should be slightly overdesigned to achieve the most cost saving from the system point of view. Full article
(This article belongs to the Special Issue Research on Performance and Loss of Permanent Magnet Synchronous Motor System)
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16 pages, 2335 KiB  
Article
Simulation, Verification and Optimization Design of Electromagnetic Vibration and Noise of Permanent Magnet Synchronous Motor for Vehicle
by Jie Xu, Lijun Zhang, Deijian Meng and Hui Su
Energies 2022, 15(16), 5808; https://doi.org/10.3390/en15165808 - 10 Aug 2022
Cited by 7 | Viewed by 1768
Abstract
Aiming at the electromagnetic vibration and noise problem of an 8-pole 48-slot permanent magnet synchronous motor for a vehicle, the multi-physics coupling simulation model of the motor is introduced to optimize the rotor structure of the motor to reduce the vibration and noise [...] Read more.
Aiming at the electromagnetic vibration and noise problem of an 8-pole 48-slot permanent magnet synchronous motor for a vehicle, the multi-physics coupling simulation model of the motor is introduced to optimize the rotor structure of the motor to reduce the vibration and noise of the permanent magnet synchronous motor. The effectiveness of the research method is verified by the bench test in the anechoic chamber. Finite element software was used to establish the stator core and system model considering the anisotropy of materials, and the simulation model was verified by modal experiment. For the 2in1 electric drive system, the electromagnetic-structure-acoustic multi-physics coupling noise prediction model is established. Based on the three-dimensional distributed electromagnetic force excitation, the electromagnetic radiation noise of the motor under full load acceleration is calculated, and the characteristics of electromagnetic noise are analyzed. The accuracy of the electromagnetic-structure-acoustic multi-physics coupling model of permanent magnet synchronous motor is verified by the bench test results of the anechoic chamber. By changing the angle and shape of the motor rotor, the cogging torque ripple between the stator and the rotor is reduced, and the 48th order harmonic amplitude is reduced. Finally, the optimized sample is tested on the vehicle, and the 48th order electromagnetic noise can be reduced by 5–15 dB(A). The accuracy of the electromagnetic-structure-acoustic multi-physics coupling model of permanent magnet synchronous motor is verified by the bench test results of the anechoic chamber. Therefore, the research results can be further used for the design and development of a vehicle permanent magnet synchronous motor and the research on the mechanism of electromagnetic vibration and noise. Full article
(This article belongs to the Special Issue Research on Performance and Loss of Permanent Magnet Synchronous Motor System)
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