计及城市轨道逆变回馈装置的交直流统一供电计算

doi:10.19595/j.cnki.1000-6753.tces.181166

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Abstract The calculation of the power supply for the urban rail inverter feedback devices plays an important role in the system design and energy-saving evaluation of the inverter feedback devices. In this paper, the algorithm of unified AC/DC power flow calculation for urban rail considering the voltage fluctuation coefficient on the AC side and the multi-state switching of the traction substations was proposed. In order to evaluate the energy-saving effect of the inverter feedback devices, the system-level energy-saving effect evaluation index of the inverter feedback devices considering the trains departure density and the full-day running plan was proposed. An instance of a subway project was used as an example of power supply calculation. In the case of full-line installation of inverter feedback devices, the fluctuation of the traction network voltage has been significantly improved, and the highest rail potential decreases by 40.94%. When the load rate of the line is 0.2, the system-level energy-saving rate of the inverter feedback system is 8.71%, and the energy saving effect is significant.

Key words： Urban railway inverter feedback devices unified AC/DC power flow calculation rail potential energy-saving effect evaluation

Received: 05 July 2018 Published: 30 October 2019

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TM922.3

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	Liu Wei
	Lou Ying
	Zhang Jian
	Ye Xiaowen
	Zhou Ruibing

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Liu Wei,Lou Ying,Zhang Jian等. Unified AC/DC Power Supply Calculation Taking into Account Urban Rail Inverter Feedback Devices[J]. Transactions of China Electrotechnical Society, 2019, 34(20): 4381-4391.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.181166 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I20/4381

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