Abstract
At present, with the rapid development of urban rail transit, the design requirements of urban rail power supply system are getting higher and higher. This paper mainly studies the simulation of urban rail transit power supply system with inverter feedback device, in order to provide data support for power supply system design and energy consumption analysis from the aspects of system modeling and simulation. First of all, the model of traction substation is established, including rectifier unit and inverter unit, and the calculation principles and algorithm implementation process of DC network power flow calculation and AC network power flow calculation are also analyzed next. Finally, the power flow distribution and energy utilization effect of the power supply system considering inverter feedback device are evaluated. The results show that the inverter feedback device installed in traction substation plays an important role in reducing traction network voltage, improving energy efficiency and saving operation cost.
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Acknowledgements
This research is sponsored by the National Natural Science Foundation of China (No. 51677153) and Sichuan Science and Technology Program (2018GZ0020).
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Zhao, L., Wang, F., Lin, S., Lin, X. (2020). Simulation of Power Supply System Considering Inverter Feedback Device in Urban Rail Transit. In: Jia, L., Qin, Y., Liu, B., Liu, Z., Diao, L., An, M. (eds) Proceedings of the 4th International Conference on Electrical and Information Technologies for Rail Transportation (EITRT) 2019. EITRT 2019. Lecture Notes in Electrical Engineering, vol 638. Springer, Singapore. https://doi.org/10.1007/978-981-15-2862-0_35
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DOI: https://doi.org/10.1007/978-981-15-2862-0_35
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