H.-W. Lee, B.-S. Lee, C.-B. Park, S.-Y. Kwon, K.-H. Han, Y.-H. Cho, K.-W. Lee, Y. Park and H.-J. Park, “Axial direct driving traction motor for rail vehicles,” Korean Patent KR100874142B1, Dec. 15, 2008.

C. S. Kim, H. W. Lee, J. B. Lee, I. H. Jo, J. H. Lim, S. H. Kim and C. B. Park, “Analysis of Losses and Heat Generation in 45kW DR-PMSM for Tram Traction through 3D FEA,” Journal of the Korean Society for Railway, vol. 27, no. 2, pp. 119-127, 2024. DOI:10.7782/JKSR.2024.27.2.119

W. Tong, L. Sun, S. Wu, M. Hou et al., “Analytical Model and Experimental Verification of Permanent Magnet Eddy Current Loss in Permanent Magnet Machines With Nonconcentric Magnetic Poles,” IEEE Transactions on Industrial Electronics, vol. 69, no. 9, pp. 8815-8824, 2022 DOI:10.1109/TIE.2021.3111573

S. Steentjes, S. Boehmer and K. Hameyer, “Permanent Magnet Eddy-Current Losses in 2-D FEM Simulations of Electrical Machines,” in IEEE Transactions on Magnetics, vol. 51, no. 3, pp. 1-4, March 2015. DOI:10.1109/TMAG.2014.2362551

Hyun-Woo Jun, Eung-Seok Park, Ju Lee and Hyung-Woo Lee, “Study on the High Efficiency Design through the Loss Reduction of the 110kW Class High-output Density PMSM,” The transactions of The Korean Institute of Electrical Engineers, vol. 64, no. 6, pp. 954-959, 2015. DOI:10.5370/KIEE.2015.64.6.954

W. Chen, L. Yunpeng, C. Dong and Z. Zhuoran, “PM Eddy-Current Loss Reduction of Axial Flux PM Wheel Motor With Arc Incompletion Segmentation,” in IEEE Transactions on Magnetics, vol. 59, no. 11, pp. 1-5, Nov. 2023. DOI:10.1109/TMAG.2023.3288014