Abstract
In the process of high-speed train operation, nonlinear factors of power switches especially dead-time effect may result in low-frequency harmonic current and traction motor torque ripple, which has an adverse effect on locomotive traction performance. Firstly, this paper introduces the mechanism of dead-time effect. Secondly, this thesis analyzes the dead-time effect on performance of traction motor harmonic current and torque pulsation. Lastly, the simulation of dead-time effect is performed in this paper, the simulation results present zero-current clamping phenomenon, and research the influence factors of dead-time effect by analysing characteristics of harmonic current and torque pulsation under different dead-times, carrier frequencies and dead-zone setting modes.
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Acknowledgments
This work was supported by a grant from the Major State Basic Research Development Program of China (973 Program: 2011CB711100).
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Zhang, Z., Jiao, J., Zhao, X., Lin, F., Yang, Z. (2016). Dead-Time Effect on Traction Motor Torque Pulsation of High-Speed Train. In: Jia, L., Liu, Z., Qin, Y., Ding, R., Diao, L. (eds) Proceedings of the 2015 International Conference on Electrical and Information Technologies for Rail Transportation. Lecture Notes in Electrical Engineering, vol 377. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-49367-0_28
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DOI: https://doi.org/10.1007/978-3-662-49367-0_28
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