Abstract
This paper describes a harmonic analysis model for CRH2 EMU (Electric Multiple Unit) and provides a harmonic power flow algorithm for its traction power supply system. This algorithm gives full consideration to coupling influence between the traction networks (harmonic voltage), and the fundamental wave results are used as the final convergence condition, aiming to determine modulation characteristics and harmonic current characteristics of SPWM converter for EMU based on results of harmonic power flow, and to calculate harmonic power flow and to update fundamental power of harmonic source for fundamental power flow calculation. Analysis of harmonic power flow with single harmonic source and multi-harmonic sources shows that the algorithm is applicable to traction power supply system of high-speed rail with single harmonic source, multi-harmonic sources, and background harmonic.
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Acknowledgments
This work is supported by National Natural Science Foundation of China (No. 51177139); High-speed Rail Joint Fund Key Projects of Basic research (No. U1134205).
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Wang, B., Han, X.d., Gao, S.b., Huang, W., Jiang, X.f. (2014). Harmonic Power Flow Calculation for High-Speed Railway Traction Power Supply System. In: Jia, L., Liu, Z., Qin, Y., Zhao, M., Diao, L. (eds) Proceedings of the 2013 International Conference on Electrical and Information Technologies for Rail Transportation (EITRT2013)-Volume I. Lecture Notes in Electrical Engineering, vol 287. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-53778-3_2
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DOI: https://doi.org/10.1007/978-3-642-53778-3_2
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