지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.3
- 수록면
- 542 - 552 (11page)
이용수
초록· 키워드
오류제보하기
Central 60° synchronous modulation is an easy pulse-width modulation (PWM) method to implement for the traction inverters of urban rail trains at a very low switching frequency. Unfortunately, its switching patterns are determined by a Fourier analysis of assumed steady-state voltages. As a result, its transient responses are not very good with over-currents and high instantaneous torque pulses. In the proposed solution, the switching patterns of the conventional central 60° modulation are modified according to the dynamic error between the target and actual stator flux. Then, the specific trajectory of the stator flux and current vector can be guaranteed, which leads to better system transients. In addition, stator flux control is introduced to get smooth mode switching between the central 60° modulation and the other PWMs in this paper. A detailed flow chart of the control signal transmission is given. The target flux is obtained by an integral of the target voltage. The actual PMSM flux is estimated by a minimum order flux state observer based on the extended flux model. Based on a two-level inverter model, improved rules in the α-β stationary coordinate system and equations of the switching patterns amendment are proposed. The proposed method is verified by simulation and experimental results.
목차
Abstract
I. INTRODUCTION
II. COMMON CENTRAL 60° MODULATION AND TRANSIENT RESPONSE
III. CENTRAL 60° SYNCHRONOUS MODULATION REVISED BY THE PMSM STATOR FLUX TRAJECTORY CONTROL
IV. SIMULATION AND EXPERIMENT
V. CONCLUSION
REFERENCES
참고문헌 (15)
참고문헌 신청
J. Holtz and X. Qi, “Optimal control of medium-voltage drives-An overview,” IEEE Trans. Ind. Electron., Vol. 60, No. 12, pp. 5472-5481, Dec. 2013.
R. Rathore, H. Holtz, and T. Boller, “Generalized optimal pulsewidth modulation of multilevel inverters for low-switching-frequency control of medium-voltage high-power industrial AC drives,” IEEE Trans. Ind. Electron., Vol. 60, No. 10., pp. 4215-4224, Oct. 2013.
J. Napoles, J. I. Leon, R. Portillo, L. G. Franquelo, and M. A. Aguirre, “Selective harmonic mitigation technique for high-power converters,” IEEE Trans. Ind. Electron., Vol. 57, No. 7, pp. 2315-2323, Jul. 2010.
S. R. Bowes and D. Holliday, “Optimal regular-sampled PWM inverter control techniques,” IEEE Trans. Ind. Electron., Vol. 54, No. 3, pp. 1547-1559. Jun. 2007.
M. Zhou, X. You, and C. Wang, “Research on PWM method under low switching frequency,” Journal of Beijing Jiaotong University, Vol. 34, No. 5, pp. 53-57, Oct. 2010.
R. Rathore, H. Holtz, and T. Boller, “Generalized optimal pulsewidth modulation of multilevel inverters for low-switching-frequency control of medium-voltage high-power industrial AC drives,” IEEE Trans. Ind. Electron., Vol. 60, No. 10., pp. 4215-4224, Oct. 2013.
J. Napoles, J. I. Leon, R. Portillo, L. G. Franquelo, and M. A. Aguirre, “Selective harmonic mitigation technique for high-power converters,” IEEE Trans. Ind. Electron., Vol. 57, No. 7, pp. 2315-2323, Jul. 2010.
S. R. Bowes and D. Holliday, “Optimal regular-sampled PWM inverter control techniques,” IEEE Trans. Ind. Electron., Vol. 54, No. 3, pp. 1547-1559. Jun. 2007.
M. Zhou, X. You, and C. Wang, “Research on PWM method under low switching frequency,” Journal of Beijing Jiaotong University, Vol. 34, No. 5, pp. 53-57, Oct. 2010.
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UCI(KEPA) : I410-ECN-0101-2016-560-002653923