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Design and Optimization of High-Speed Permanent Magnet Synchronous Machines

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F3: Power Electronics".

Deadline for manuscript submissions: 29 April 2025 | Viewed by 2139

Special Issue Editors


E-Mail Website
Guest Editor
Department of Electrical and Electronics Engineering, Pusan National University, Busan 46241, Republic of Korea
Interests: design and analysis of rotating electric machines; reluctance motor control and drives
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Electrical and Electronics Engineering, Pusan National University, Busan 46241, Republic of Korea
Interests: design and analysis of rotating electric machines; finite element analysis; virtual product development

Special Issue Information

Dear Colleagues,

In today's rapidly evolving technology landscape, the demand for high-speed, energy-efficient systems has never been more critical. High-speed permanent magnet synchronous machines (HSPMSMs) have emerged as one of the key components in this dynamic environment. HSPMSMs are characterized by their exceptional ability to excel in high-speed applications, making them indispensable in various industries including automotive, aerospace, and renewable energy.

The importance of high-speed motors, particularly HSPMSMs, cannot be emphasized enough. In a world where rapid transportation, efficient power generation, and agile industrial processes are vital, these machines have a critical position. Their compact design, precision, and robustness make them ideal for applications where speed, reliability, and energy efficiency are essential.

This Special Issue is dedicated to advancing our understanding and harnessing the potential of HSPMSMs. We invite contributions that delve into various facets of HSPMSMs:

  1. Innovative Design Principles: Explore novel design principles that optimize HSPMSMs for high-speed operation while ensuring compactness, power density, and efficiency.
  2. Advanced Optimization Techniques: Uncover the latest optimization methods, including genetic algorithms and finite element analysis, that fine-tune HSPMSMs to achieve optimum performance.
  3. Materials and Manufacturing Innovations: Share insights into innovative materials and manufacturing techniques that enable the production of reliable and high-speed HSPMSMs.
  4. Applications in High-Speed Environments: Highlight real-world applications where HSPMSMs are revolutionizing high-speed scenarios, from aerospace propulsion to electric vehicle drives.

The purpose of this Special Issue is to serve as a platform for sharing insights and innovations that will shape the future of high-speed applications across various industries. Through the collaboration of researchers, engineers, and experts from across the globe, our goal is to advance the field of HSPMSMs, highlighting their critical role in attaining speed, precision, and energy efficiency.

We invite researchers, engineers, and experts to submit their original research to this Special Issue, contributing to the expanding knowledge related to the design and optimization of HSPMSMs.

Prof. Dr. Jin-Woo Ahn
Dr. Grace Firsta Lukman
Guest Editors

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

  • high-speed permanent magnet synchronous machines (HSPMSMs)
  • novel motor design
  • optimization techniques
  • performance improvement

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Published Papers (2 papers)

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Research

15 pages, 4185 KiB  
Article
Sensorless DFIG System Control via an Electromagnetic Torque Based on MRAS Speed Estimator
by Abdelbadia Lama, Hicham Serhoud and Mohamed Toufik Benchouia
Energies 2024, 17(19), 4980; https://doi.org/10.3390/en17194980 - 5 Oct 2024
Cited by 1 | Viewed by 791
Abstract
The main goals of this research are to develop a method for obtaining the rotor position and speed in a doubly fed induction generator (DFIG) without using sensors in a variable-speed wind turbine installation. The considered method is based on the Model Reference [...] Read more.
The main goals of this research are to develop a method for obtaining the rotor position and speed in a doubly fed induction generator (DFIG) without using sensors in a variable-speed wind turbine installation. The considered method is based on the Model Reference Adaptive System (MRAS). According to this method, electromagnetic torque is used as an error variable for the adaptation process in order to refine the estimate. A good assessment is very important when trying to put into place any strategy that can control the behavior of a DFIG. This method of estimation functions by comparing the actual performance of the DFIG with that of a reference model and adjusting the system parameters to reduce any mismatch between the two. One notable advantage of this developed estimator is its stability across a broad range of speeds. Additionally, it is designed to exhibit resilience in the face of uncertainties in machine parameters. The proportional integral (PI) gains for the MRAS estimator are determined via pole placement. To assess and validate the entire DFIG model and the sensorless estimation method, comprehensive simulations are carried out using MATLAB/Simulink. Full article
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19 pages, 8368 KiB  
Article
Effect of Ferrite Core Modification on Electromagnetic Force Considering Spatial Harmonics in an Induction Cooktop
by Sangjin Lee, Gyeonghwan Yun, Grace Firsta Lukman, Jang-Mok Kim, Tae-Hoon Kim and Cheewoo Lee
Energies 2024, 17(18), 4744; https://doi.org/10.3390/en17184744 - 23 Sep 2024
Viewed by 790
Abstract
This study investigates the influence of ferrite shape modifications on the performance and noise characteristics of an induction cooktop. The goal is to optimize the air gap dimensions between ferrites and cookware, enhancing efficiency while managing noise levels. Using finite element method (FEM) [...] Read more.
This study investigates the influence of ferrite shape modifications on the performance and noise characteristics of an induction cooktop. The goal is to optimize the air gap dimensions between ferrites and cookware, enhancing efficiency while managing noise levels. Using finite element method (FEM) simulations, we analyze the spatial distribution of magnetic forces and their harmonics. Eight ferrite shape models were examined, focusing on both outer and inner air gaps. Model #8 (reduced outer air gap) and Model #9 (reduced inner air gap) were experimentally validated. Noise measurements indicated that Model #8 reduced 120 Hz harmonic noise components, while Model #9 increased them due to enhanced excitation forces. Current measurements confirmed that Model #9 achieved higher efficiency, with RMS current reduced to 94.54% of the base model. The study reveals a trade-off between performance and noise: inner air gap reduction significantly boosts efficiency but raises noise levels, whereas outer air gap reduction offers balanced improvements. These findings provide insights for optimizing induction cooktop designs, aiming for quieter operation without compromising efficiency. Full article
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