Araştırma Makalesi

Comprehensive Design of Slotless Permanent Magnet Synchronous Motors: Effects of Series and Parallel Turns

Cilt: 27 Sayı: 80 23 Mayıs 2025
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Comprehensive Design of Slotless Permanent Magnet Synchronous Motors: Effects of Series and Parallel Turns

Öz

A comprehensive design methodology of a slotless permanent magnet synchronous machine (PMSM) based on a grid search and elimination method is presented in this study. The design process aims to investigate the effects of various design choices on machine cost and efficiency but not to obtain an optimal design. A high precision long cylinder type actuator with 1 kW rated power, 12,000 rpm rated speed, 50 mm diameter, and 135 mm maximum axial length is selected as the target design. The performance of design candidates is evaluated using an analytical model that includes the calculation of magnetic flux density, induced voltage, torque, and phase conductor losses. As the phase conductors are directly exposed to air-gap flux, conductor losses are calculated considering the the air-gap magnetic field. Due to this effect, the conductor design in slotless PMSMs should be done carefully. Therefore, in the next step, first the designs that satisfy the application requirements are distinguished, and then the series turn numbers as well as wire diameters and parallel turn numbers are assigned to each of them. Those assignments are made based on assumptions that assure the manufacturability of the winding. All the output designs are depicted with respect to their magnet volume and winding conductor losses to obtain a Pareto-optimal front curve. Thus, the effects of different design decisions on these two performance variables were observed. As expected, the designs with a high number of parallel turns have higher efficiencies. Furthermore, when the designs with the same number of parallel turns are compared, the ones with smaller permanent magnet volumes are found to be preferable since the total cost of their raw materials is around 20% cheaper with almost no difference in their efficiencies.

Anahtar Kelimeler

Kaynakça

  1. [1] Min, S.G., Sarlioglu, B., 2018. Advantages and characteristic analysis of slotless rotary PM machines in comparison with conventional laminated design using statistical technique. IEEE Transactions on Transportation Electrification, Vol. 4(2), pp. 517–524. DOI: 10.1109/TTE.2018.2810230.
  2. [2] Djelloul-Khedda, Z., Boughrara, K., Dubas, F., Kechroud, A., Souleyman, B., 2018. Semi-analytical magnetic field predicting in many structures of permanent-magnet synchronous machines considering the iron permeability. IEEE Transactions on Magnetics, Vol. 54(7). DOI: 10.1109/TMAG.2018.2824278.
  3. [3] Zhu, Z.Q., Howe, D., Bolte, E., Ackermann, B., 1993. Instantaneous magnetic field distribution in brushless permanent magnet DC motors. IEEE Transactions on Magnetics, Vol. 29(1), pp. 124–135. DOI: 10.1109/20.195559.
  4. [4] Xia, Z., Zhu, Z.Q., Howe, D., 2004. Analytical magnetic field analysis of Halbach magnetized permanent-magnet machines. IEEE Transactions on Magnetics, Vol. 40(4), pp. 1864–1872. DOI: 10.1109/TMAG.2004.828933.
  5. [5] Rahideh, A., Korakianitis, T., 2012. Analytic magnetic field distribution of slotless brushless PM motors. Part 2: Open-circuit field and torque calculations. IET Electric Power Applications, Vol. 6(9), pp. 639–651. DOI: 10.1049/iet-epa.2011.0386.
  6. [6] Tessarolo, A., Bortolozzi, M., Bruzzese, C., 2016. Explicit torque and back EMF expressions for slotless surface permanent magnet machines with different magnetization patterns. IEEE Transactions on Magnetics, Vol. 52(8), pp. 1–15. DOI: 10.1109/TMAG.2016.2543682.
  7. [7] Chen, Y.S., Zhu, Z.Q., Howe, D., 1999. Slotless brushless permanent magnet machines: Influence of design parameters. IEEE Transactions on Energy Conversion, Vol. 14(3), pp. 686–691. DOI: 10.1109/60.790936.
  8. [8] Marković, M., Perriard, Y., 2006. Simplified design methodology for a slotless brushless DC motor. IEEE Transactions on Magnetics, Vol. 42(12), pp. 3842–3846. DOI: 10.1109/TMAG.2006.884108.

Ayrıntılar

Birincil Dil

İngilizce

Konular

Elektrik Makineleri ve Sürücüler

Bölüm

Araştırma Makalesi

Erken Görünüm Tarihi

12 Mayıs 2025

Yayımlanma Tarihi

23 Mayıs 2025

Gönderilme Tarihi

28 Aralık 2023

Kabul Tarihi

30 Temmuz 2024

Yayımlandığı Sayı

Yıl 2025 Cilt: 27 Sayı: 80

Kaynak Göster

APA
Yılmaz, Y. B., & Bostancı, E. (2025). Comprehensive Design of Slotless Permanent Magnet Synchronous Motors: Effects of Series and Parallel Turns. Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi, 27(80), 189-198. https://doi.org/10.21205/deufmd.2025278004
AMA
1.Yılmaz YB, Bostancı E. Comprehensive Design of Slotless Permanent Magnet Synchronous Motors: Effects of Series and Parallel Turns. DEUFMD. 2025;27(80):189-198. doi:10.21205/deufmd.2025278004
Chicago
Yılmaz, Yusuf Basri, ve Emine Bostancı. 2025. “Comprehensive Design of Slotless Permanent Magnet Synchronous Motors: Effects of Series and Parallel Turns”. Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi 27 (80): 189-98. https://doi.org/10.21205/deufmd.2025278004.
EndNote
Yılmaz YB, Bostancı E (01 Mayıs 2025) Comprehensive Design of Slotless Permanent Magnet Synchronous Motors: Effects of Series and Parallel Turns. Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi 27 80 189–198.
IEEE
[1]Y. B. Yılmaz ve E. Bostancı, “Comprehensive Design of Slotless Permanent Magnet Synchronous Motors: Effects of Series and Parallel Turns”, DEUFMD, c. 27, sy 80, ss. 189–198, May. 2025, doi: 10.21205/deufmd.2025278004.
ISNAD
Yılmaz, Yusuf Basri - Bostancı, Emine. “Comprehensive Design of Slotless Permanent Magnet Synchronous Motors: Effects of Series and Parallel Turns”. Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi 27/80 (01 Mayıs 2025): 189-198. https://doi.org/10.21205/deufmd.2025278004.
JAMA
1.Yılmaz YB, Bostancı E. Comprehensive Design of Slotless Permanent Magnet Synchronous Motors: Effects of Series and Parallel Turns. DEUFMD. 2025;27:189–198.
MLA
Yılmaz, Yusuf Basri, ve Emine Bostancı. “Comprehensive Design of Slotless Permanent Magnet Synchronous Motors: Effects of Series and Parallel Turns”. Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi, c. 27, sy 80, Mayıs 2025, ss. 189-98, doi:10.21205/deufmd.2025278004.
Vancouver
1.Yusuf Basri Yılmaz, Emine Bostancı. Comprehensive Design of Slotless Permanent Magnet Synchronous Motors: Effects of Series and Parallel Turns. DEUFMD. 01 Mayıs 2025;27(80):189-98. doi:10.21205/deufmd.2025278004

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