Coordinated Control Strategy Design of New Type Railway Power Regulator Based on Super Capacitor Energy Storage
Ma Qian1, 2, Guo Xin1, Luo Pei1, 2, Zhang Zhiwen2
1. College of Information Engineering Xiangtan University Xiangtan 411100 China; 2. College of Electrical and Information Engineering Hunan University Changsha 410000 China
Abstract：To comprehensively solve the power quality problem of traction power supply system and improve the utilization rate of regenerative braking energy of electric locomotive, a novel energy storage type of railway power conditioner based on railway static power conditioner and super capacitor energy storage system is proposed in this paper. Improving the regenerative braking energy utilization of the topology and the control precision of the peak and valley filling can effectively control the charge and discharge of the super capacitor, thereby reducing system loss. Therefore, the power transfer characteristics between the super capacitor and the railway power regulator are studied in detail. By constructing the equivalent circuit diagrams of the two control modes, the control accuracy of these two control modes and the problem of the super capacitor discharge out of control are compared and analyzed. Finally, the simulation results have verified the correctness and effectiveness of the proposed coordinated control strategy.
马茜, 郭昕, 罗培, 张志文. 基于超级电容储能的新型铁路功率调节器协调控制策略设计[J]. 电工技术学报, 2019, 34(4): 765-776.
Ma Qian, Guo Xin, Luo Pei, Zhang Zhiwen. Coordinated Control Strategy Design of New Type Railway Power Regulator Based on Super Capacitor Energy Storage. Transactions of China Electrotechnical Society, 2019, 34(4): 765-776.
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2019, Vol. 34 
