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Year 2026
 
Issue 3 [06 - 2026], Year XXXV

Research on application of nano carbon materials in fabricating rotor bars for line-start permanent magnet synchronous motors research on

https://mij.hoimovietnam.vn/en/archives?article=26033

  • Affiliations:

    1 Quang Ninh University of Industry, Mao Khe W., Quang Ninh, Viet Nam
    2 East Asia University of Technology, Phan Tay Nhac, Ha Noi, Viet Nam

  • *Corresponding:
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  • Received: 8th-Apr-2026
  • Revised: 5th-May-2026
  • Accepted: 10th-May-2026
  • Online: 20th-June-2026
Pages: 22 - 31
Views: 75
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Abstract:

The line-start permanent magnet synchronous motor (LSPMSM) is capable of direct grid-starting while maintaining high efficiency and power factor. In the rotor design of LSPMSMs, the conductor material plays a critical role in starting performance, torque ripple, and overall weight. Traditionally, aluminum (Al) and copper (Cu) have been widely used; however, they still face limitations in terms of weight, resistivity, and thermal load capacity. This paper evaluates the potential of cacbon nanotube (CNT) materials for rotor conductor fabrication. CNTs exhibit high electrical conductivity, low mass, high current-carrying capability, and a negative temperature coefficient, which contribute to improved electrical performance, reduced weight, and enhanced speed stability. The authors conducted simulations on an 11 kW, 4-pole LSPMSM to compare the performance of traditional conductor materials (Cu, Al) with CNT-based materials, focusing on metrics such as torque, speed stability, and starting capability. The results demonstrate that CNTs are promising materials for enhancing the efficiency and stability of next-generation LSPMSMs, while also enabling the development of high-performance, lightweight, and environmentally friendly electric motors.

How to Cite
Tran, T.Tuyen, Tran, H.Phuc, Nguyen, T.Thuong Duyen and Doan, T.Bich Thuy 2026. Research on application of nano carbon materials in fabricating rotor bars for line-start permanent magnet synchronous motors research on (in Vietnamese). Mining Industry Journal. XXXV, 3 (Jun, 2026), 22-31. .
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