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New Technologies in the Design and Application of Electrical Machines

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

Deadline for manuscript submissions: 30 September 2026 | Viewed by 621

Special Issue Editors


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Guest Editor
Department of Electrical Engineering and Power Electronics, Maritime University of Szczecin, 70-500 Szczecin, Poland
Interests: electric machines with hybrid excitation; magnetic field analysis by finite element method
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Faculty of Electrical Engineering, Department of Electrical Machines and Drives, West Pomeranian University of Technology in Szczecin, al. Piastów 17, 70-310 Szczecin, Poland
Interests: electrical machines; numerical field calculations; optimization of electromagnetic fields; renewable energy technologies; electrical engineering; power generation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The field of electrical machines is undergoing a rapid transformation driven by the demand for higher efficiency, reliability, compactness, and sustainability. These challenges stem from the increasing penetration of renewable energy systems, the electrification of transportation, industrial automation, and the need for environmentally conscious design approaches. The continuous development of advanced materials, innovative manufacturing methods, and sophisticated modeling techniques is reshaping the way electrical machines are conceived, optimized, and deployed across various sectors.

This Special Issue aims to gather cutting-edge research that highlights recent advances in both the design methodologies and practical applications of electrical machines. It will serve as a platform for scientists, engineers, and industry professionals to share their latest findings and insights into novel topologies, improved performance characteristics, and solutions to the pressing technical and environmental challenges of the 21st century.

Key topics of interest include, but are not limited to, the following:

  • Innovative machine topologies (e.g., axial-flux, transverse-flux, modular, and hybrid designs);
  • Advanced materials (high-performance magnetic materials, composites, superconductors, and additive manufacturing);
  • Thermal management and cooling strategies;
  • Novel design optimization techniques integrating artificial intelligence, digital twins, and multiphysics simulations;
  • High-efficiency drives for renewable energy, electric vehicles, aerospace, and marine applications;
  • Reliability, fault tolerance, and condition monitoring;
  • Integration of electrical machines into energy systems and smart grids.

We particularly encourage contributions that bridge the gap between theoretical research and industrial practice, demonstrating how emerging technologies can enhance the sustainability, cost-effectiveness, and operational performance of electrical machines. Both original research articles and comprehensive reviews are welcome.

We look forward to receiving your contributions.

Dr. Paweł Prajzendanc
Prof. Dr. Marcin Wardach
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 250 words) can be sent to the Editorial Office for assessment.

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 machines
  • standard and new designs
  • hybrid excited machines
  • new applications
  • modelling and optimization
  • control
  • numerical field calculations
  • electrical vehicles
  • permanent magnet machines
  • wind power energy

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Published Papers (1 paper)

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Research

14 pages, 8361 KB  
Article
A Large-Swept-Volume Linear Alternator Designed for Standing-Wave Acoustic Field
by Jingjun Zhao, Jianying Hu, Limin Zhang, Yanlei Sun and Ercang Luo
Energies 2026, 19(9), 2046; https://doi.org/10.3390/en19092046 - 23 Apr 2026
Viewed by 366
Abstract
Thermoacoustic power generation holds significant promise for applications such as solar thermal utilization, industrial waste heat recovery, and distributed energy systems, owing to its high efficiency and reliability. Conventional standing-wave and traveling-wave thermoacoustic generators, however, are often limited by bulky resonators and substantial [...] Read more.
Thermoacoustic power generation holds significant promise for applications such as solar thermal utilization, industrial waste heat recovery, and distributed energy systems, owing to its high efficiency and reliability. Conventional standing-wave and traveling-wave thermoacoustic generators, however, are often limited by bulky resonators and substantial acoustic power dissipation. Replacing the resonator with a linear alternator (LA) offers an effective means to improve system compactness and output performance. Nonetheless, under standing-wave acoustic conditions, the LA’s large piston swept volume increases the device size, thereby constraining overall compactness. To address this limitation, a novel moving-magnet LA with electromagnetic components integrated into the moving piston is proposed. Compared to conventional configurations, this design significantly reduces the size and weight of the alternator. Furthermore, the influence of different magnetic circuit configurations on output performance is systematically investigated, enabling optimization of the alternator design. Results demonstrate that the proposed alternator achieves a more compact structure while delivering output performance comparable to that of conventional external magnetic-circuit designs, thereby validating the feasibility of the proposed approach. Full article
(This article belongs to the Special Issue New Technologies in the Design and Application of Electrical Machines)
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