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To promote energy-saving, emission-reduction, green, and low-carbon development in electrified railways, a scheme of photovoltaic (PV) integration into the traction power supply system is proposed. The PV power generation system is connected to the DC side of the AC-DC-AC converter of the co-phase compensation device, eliminating the need for AC-DC inverters. Through the cooperative control of the PV power generation system and the traction power supply system, it realizes the local consumption of new energy, real-time peak shaving and valley filling of traction load, and power quality compensation. Finally, the correctness and effectiveness of the proposed control strategy are verified by simulation.
Liu et al. (Fri,) studied this question.