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고속 운전 시 WRSM의 성능 향상 및 IPMSM과 비교
채웅찬,장익상,김미정,이기덕,이재준,한정호,정태철,이주 대한전기학회 2012 대한전기학회 학술대회 논문집 Vol.2012 No.4
This paper improves the performance of the WRSM (Wound Rotor Synchronous Motor) by satisfying the voltage limit condition at high speed. After that, it compares the performance of the improved WRSM to that of the IPMSM (Interior Permanent Magnet Synchronous Motor). The comparison has been made under the condition where the dimension of the motor is identical to that of the IPMSM, having the rotor switched to a wounded rotor form. Moreover, this paper compares the Basic Model of the two motor, and estimates the parameters of the WRSM, thereby proposing the method to improve high speed performance. Furthermore, this paper presents the feasibility of switching the conventional motor into rare-earth-free motors for traction purpose.
고속 운전 시 WRSM의 성능 향상 및 IPMSM과 비교
채웅찬(Woong-Chan Chae),김미정(Mi-Jung Kim),이기덕(Ki-Doek Lee),이재준(Jae-Jun Lee),한정호(Jung-Ho Han),정태철(Tae-Chul Jung),이주(Ju Lee) 대한전기학회 2012 전기학회논문지 Vol.61 No.11
This paper shows an improvement of the WRSM (Wound Rotor Synchronous Motor) by satisfying the voltage limit condition at high speed. After that, it compares the performance of the improved WRSM to that of the IPMSM (Interior Permanent Magnet Synchronous Motor). The comparison has been made under the condition where the dimension of the motor is identical to that of the IPMSM, having the rotor switched to a wounded rotor form. Moreover, this paper compares the Basic Model of the two motor, and estimates the parameters of the WRSM, thereby proposing the method to improve high speed performance. Furthermore, this paper presents the feasibility of switching the conventional motor into rare-earth-free motors for traction purpose.
Current Control Method of WRSM in High-speed Operation Range
이재준,이기덕,장익상,이성구,채웅찬,이형우,이주 대한전기학회 2015 Journal of Electrical Engineering & Technology Vol.10 No.5
This Paper analyzes the characteristics of the WRSM in high-speed operation range. To verify the control characteristics of various WRSM models, the relative position of the central point of current limit circle and voltage limit ellipse is defined as M value and 3 models according to Mmax value are designed through inductance change. Through the designed models, the current control method of 3-variables control for maximum power especially in high-speed operation range is presented.