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- W4292510177 abstract "High-speed railway power system consists of traction power system and station power system. High-speed railway locomotives generate electrical energy that is fed back to the grid during regenerative braking, and the grid company adopts the policy of ignoring the reverse transmission, which wastes energy on the railway system. In this paper, based on the interconnection of 10kV station power system and 27.5 kV traction power system, a hybrid energy storage system (HESS) composed of supercapacitors (SCs) and batteries is added to recover the regenerative braking energy, and roof photovoltaic (PV) is installed in railway station to reduce the power consumption of the system, and an energy management strategy with grid peak shaving characteristics is proposed. Then, the optimal dispatching model of high-speed railway power system is established, and the daily operation cost of the system is reduced by using the mixed integer linear programming method. Finally, according to the actual data of a domestic railway station, the proposed optimization method is verified. The results show that the strategy not only reduces the total daily operation cost, but also effectively reduces the peak power purchase of the peak load. The scheme proposed in this paper saves 11.86% of the daily operation cost." @default.
- W4292510177 created "2022-08-21" @default.
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- W4292510177 date "2022-11-01" @default.
- W4292510177 modified "2023-10-03" @default.
- W4292510177 title "Optimal dispatching of high-speed railway power system based on hybrid energy storage system" @default.
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- W4292510177 doi "https://doi.org/10.1016/j.egyr.2022.08.039" @default.
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