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Future Trends in Design 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: closed (28 February 2022) | Viewed by 5443

Special Issue Editor


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Guest Editor
Department of Electrical Power and Mechatronic, Tallinn University of Technology, 19086 Tallinn, Estonia
Interests: permanent magnet machine design; wind turbines; Additive Manufacturing Approach
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Special Issue Information

Dear Colleagues,

The Guest Editor is inviting submissions to a Special Issue of Energies on the subject are of “Future Trends in Design of Electrical Machines”.

Even though the electrical machine was invented more than 200 years ago, the technology is still evolving. There is continuous demand for new and better electrical machines in a wide application range and in all market sectors. All these electrical machines, regardless of their application or power rating, require design, manufacturing, testing, condition monitoring, and control techniques.

From traditional machines today, higher efficiency with reduced emission, improved functionality, and higher safety and reliability are increasingly demanded. This has led to a need for more precise calculation–optimization methods and paved the way for new types of electrical machines. We can see different machine types with permanent magnets and switched and synchronous reluctance machines that are offering many exiting features for energy conversion. Thus, they become suitable candidates for new application areas, such as robotics, marine machines, aircrafts, traction applications, etc.

New technological developments also open up new possibilities for the production of electrical machines. For example, additive manufacturing, also known as 3D printing, is opening up new ground for innovations in low-volume production due to faster and cheaper prototyping, reduced lead time, and shorter supply chains.

There are many reasons for the development of electrical machines. The need for new machines and topologies comes from both legislation and customer requirements. In addition, industry and machine control systems are evolving, bringing new opportunities for design of new electrical machines.

The Special Issue will focus on the development of electrical machines based on new designs, new applications, and new condition monitoring and control techniques. Papers related to the development of electrical machines, leading this technology into the future, are most welcome.

Prof. Ants Kallaste
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

  • Electrical machines
  • Permanent magnet electrical machines and drives
  • Synchronous reluctance machines and drives
  • Reluctance machines
  • Brushless DC machines
  • High-efficiency electrical machines
  • Additive manufacturing of electrical machines
  • Electrical machines for traction application
  • Aircraft electrical machines
  • Artificial-intelligence-based electrical machines and drives

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Published Papers (2 papers)

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Research

13 pages, 4125 KiB  
Article
A Novel Approach to Transverse Flux Machine Construction
by Tomasz Drabek, Piotr Kapustka, Tomasz Lerch and Jerzy Skwarczyński
Energies 2021, 14(22), 7690; https://doi.org/10.3390/en14227690 - 17 Nov 2021
Cited by 9 | Viewed by 2045
Abstract
The article presents a concept for a new design of the well-known Transverse Flux Machine (TFM) made with the use of a flat core used in classical electrical machines. The proposed design was first analytically verified and was subsequently verified using the finite [...] Read more.
The article presents a concept for a new design of the well-known Transverse Flux Machine (TFM) made with the use of a flat core used in classical electrical machines. The proposed design was first analytically verified and was subsequently verified using the finite element method, which fully corroborated the results. The simulations show that a set of three single-phase TFM machines with slotted flat rotor yokes generates a torque over three times greater than that of an induction motor and twice as large as Fractional Slot Concentrated Winding—Permanent Magnet Synchronous Machines (FSCW-PMSM). The performed comparative calculations confirmed that the torque generated by machines operating on principles similar to TFM can generate a torque much greater than those currently in common use. Full article
(This article belongs to the Special Issue Future Trends in Design of Electrical Machines)
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21 pages, 112185 KiB  
Article
Measurement Tests and FEM Calculations of DC Excited Flux Switching Motor Prototype
by Tomasz Drabek, Dawid Kara, Tomasz Kołacz, Tomasz Lerch and Jerzy Skwarczyński
Energies 2021, 14(14), 4353; https://doi.org/10.3390/en14144353 - 19 Jul 2021
Cited by 1 | Viewed by 2115
Abstract
The paper presents the results of laboratory tests and FEM 2D calculations of the DCEFSM (Direct Current Excited Flux Switching Machine) electric motor prototype, made based on the stator ferromagnetic sheets of the induction motor. Static measurements of torques, currents, power, efficiency, electromotive [...] Read more.
The paper presents the results of laboratory tests and FEM 2D calculations of the DCEFSM (Direct Current Excited Flux Switching Machine) electric motor prototype, made based on the stator ferromagnetic sheets of the induction motor. Static measurements of torques, currents, power, efficiency, electromotive forces, and voltages of the motor under various operating conditions were performed, as well as the recordings of its currents and back-EMFs waveforms. FEM calculations of measured values were also performed. The obtained results allow us to conclude that the motor has the operating properties of an under-excited synchronous cylindrical motor and can be vector controlled like the PMSM motor. The results of measurements and calculations indicate the need to redesign the magnetic circuit of the stator. Full article
(This article belongs to the Special Issue Future Trends in Design of Electrical Machines)
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