Abstract
Suppressing the induction motor load oscillation of auxiliary converter in urban rail train is very important to ensure the quality of train power supply and the operation stability. Firstly, this paper analyzes the energy state of the auxiliary converter. Then, according to the mechanical characteristic curve of the induction motor, the unstable operating area of the motor is discussed. After that, a method based on the inverter output frequency compensation by detecting DC side voltage is proposed, resulting in controlling the energy state and suppress induction motor load oscillation. Finally, the effectiveness and practicability of the method are full verified by simulation and experiments.
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Acknowledgements
This work was supported by the China National Science and Technology Support Program under Grant 2016YFB1200504-C-01, Beijing Science and Technology Major Project under Grant Z171100002117011.
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Wang, H., Liu, Z., Yin, S., Meng, D., Chang, Y. (2018). Auxiliary Inverter of Urban Rail Train—Oscillation Suppression Method of Induction Motor Load. In: Jia, L., Qin, Y., Suo, J., Feng, J., Diao, L., An, M. (eds) Proceedings of the 3rd International Conference on Electrical and Information Technologies for Rail Transportation (EITRT) 2017. EITRT 2017. Lecture Notes in Electrical Engineering, vol 482. Springer, Singapore. https://doi.org/10.1007/978-981-10-7986-3_40
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DOI: https://doi.org/10.1007/978-981-10-7986-3_40
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