超级电容在高速铁路再生制动能量存储中的应用及控制

doi:10.12028/j.issn.2095-4239.2019.0132

储能科学与技术 ›› 2019, Vol. 8 ›› Issue (6): 1145-1150.doi: 10.12028/j.issn.2095-4239.2019.0132

超级电容在高速铁路再生制动能量存储中的应用及控制

张友鹏¹, 杨宏伟¹, 赵珊鹏^1,2

1 兰州交通大学自动化与电气工程学院, 甘肃兰州 730070;
2 兰州交通大学甘肃省轨道交通电气自动化工程实验室, 甘肃兰州 730070

收稿日期:2019-06-11 修回日期:2019-07-04 出版日期:2019-11-01 发布日期:2019-07-11
通讯作者: 赵珊鹏,博士,研究方向为电气化铁路再生制动能量存储研究,E-mail:zsp@mail.lzjtu.cn。
作者简介:张友鹏(1965-),男,教授,研究方向为电力系统电能质量分析与控制,E-mail:zhangyp@mail.lzjtu.cn
基金资助:
中国铁路总公司科技研究开发计划项目（2017J005-A）。

Application and control of super capacitor in high-speed railway regenerative braking energy storage

ZHANG Youpeng¹, YANG Hongwei¹, ZHAO Shanpeng^1,2

1 School of Automation&Electrical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, Gansu, China;
2 Gansu Province Engineering Laboratory for Rail Transit Electrical Automation, Lanzhou Jiaotong University, Lanzhou 730070, Gansu, China

Received:2019-06-11 Revised:2019-07-04 Online:2019-11-01 Published:2019-07-11

摘要/Abstract

摘要： 针对高速列车在制动过程中产生的再生制动能量得不到有效利用的问题，提出一种基于超级电容（supercapacitor，SC）的高速铁路再生制动能量存储方案。该方案以铁路功率调节器（railway power conditioner，RPC）作为接口电路，将储能装置与牵引供电系统连接在一起，采用超级电容作为储能介质，通过双向DC/DC变流器与铁路功率调节器直流侧相连，从而实现能量存储与补偿负序电流的功能。在研究储能方案拓扑结构的基础上，分析了负序电流的补偿原理，并根据补偿原理研究了储能方案的控制策略，对RPC两变流器采用滞环控制的方法，对储能装置中的双向DC/DC变流器采用电流闭环的控制方法。仿真结果表明，所提出的存储方案能够有效回收利用高速列车产生的再生制动能，并对负序电流进行补偿，改善电网侧电能质量。

关键词: 高速列车, 再生制动能, RPC, 超级电容, 能量存储

Abstract: In order to deal with the inefficient utilization of regenerative braking energy generated by high-speed trains during braking process, a regenerative braking energy storage scheme for highspeed railway based on super capacitor (SC) was proposed. In the scheme, railway power conditioner (RPC) was used as the interface circuit to connect the energy storage device with the traction power supply system. The super capacitor, used as the energy storage medium, was connected with the DC link of the railway power conditioner through the bi-directional DC/DC converter, so as to achieve the function of energy storage and compensation of negative sequence current. On the basis of studying the topology of energy storage scheme, the compensation principle of negative sequence current was analyzed, and the control strategy of energy storage scheme was studied according to the compensation principle. In the strategy, hysteresis control method was used for RPC two converters and current closed loop control method was used for bi-directional DC/DC converters in energy storage device. The simulation results show that the proposed storage scheme can effectively recycle the regenerative braking energy generated by high-speed trains and compensate the negative sequence current to improve the power quality of the grid side.

Key words: high-speed train, regenerative braking energy, RPC, super capacitor, energy storage

中图分类号:

TM922

张友鹏, 杨宏伟, 赵珊鹏. 超级电容在高速铁路再生制动能量存储中的应用及控制[J]. 储能科学与技术, 2019, 8(6): 1145-1150.

ZHANG Youpeng, YANG Hongwei, ZHAO Shanpeng. Application and control of super capacitor in high-speed railway regenerative braking energy storage[J]. Energy Storage Science and Technology, 2019, 8(6): 1145-1150.

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超级电容在高速铁路再生制动能量存储中的应用及控制

Application and control of super capacitor in high-speed railway regenerative braking energy storage

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