Jun-Kyu Kang, Hong-Sik Lim, Byoung-Wook Jo, Ki-Chan Kim, “Study on Field Current Ripple Reduction of Wound Field Synchronous Motor for EVs,” Journal of the Korean Society of Electrical and Electrical Society, Gyeongnam., pp. 67-69, 2017.

Jun-Kyu Kang, Hong-Sik Lim, Byoung-Wook Jo, Ki-Chan Kim, “Performance Improvement Design and Operation Characteristics Analysis of Wound Field Synchronous Motor for EV,” Journal of the Korean Society of Electrical and Electrical Society, Kangwon., pp 44-45, 2018.

Jesuk Park, Jaeyup Hwang, Dooil Son, Geunho Lee, “A Study on The Analysis of the Harmonic Content of the Field Current,” Autumn Conference and Exhibition of the Korea Automotive Engineers Association, Jeju., pp 995-995, 2022.

Lee Sang-hyun, “Analysis of Characteristic according to Input Current Control of Field Winding of Wound Field Synchronous Motor,” Master's Thesis, Hanbat National Univ., 2016.

Kyongho Kang, Hyunick Kim, Sukjin Yu, “Improvement of noise and vibration by reduction of excitation force of electric motor for EV bus,” Journal of the Korean Society of Electrical and Electrical Society, Kangwon., pp 873-874, 2019.

Park Gyu-Sung, “A Study on the High Performance Control of Winding-Type Synchronous Motor for Electric Power Vehicles,” Doctoral Dissertation, Kookmin Univ., 2018.

Lee Choong-hee, Kim Ki-chan, “Analysis of the characteristics of synchronous motor harmonics of the field winding type,” Papers of the Korean Society of Electrical Society, North Gyeongsang Province., pp 1222-1223, 2022.