Research on Time-Phased Control Strategy of Urban Rail Ground Hybrid Energy Storage Device Based on Train Operation Status

被引：0
|
作者：
Qin Q. [1 ]
Zhang J. [2 ]
Li Y. [3 ]
Lin F. [1 ]
Yang Z. [1 ]
机构：
[1] Beijing Jiaotong University, School of Electrical Engineering, Beijing
[2] Beijing Metro Operation Co. Ltd., Metro Operation Technology R&D Center, Beijing
[3] Beijing Subway Operation Co. Ltd, Beijing
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2019年 / 34卷
关键词：
Control strategy; Departure interval; Hybrid energy storage device; Urban rail transit;
D O I：
10.19595/j.cnki.1000-6753.tces.L80400
中图分类号：
学科分类号：
摘要：
The ground hybrid energy storage device of urban rail transit takes into account the functions of absorbing the remaining regenerative braking energy of the train and driving the power failure train as a backup power source. Based on the actual operation status of the urban rail transit power supply system, the paper establishes a simulation model of traction power supply system and analyzes the changes of the traction network power flow at different departure intervals of trains. Then a time-phased control strategy of urban rail ground hybrid energy storage device based on train operation status is proposed. The control strategy uses a battery priority response mode when the departure interval is large because the remaining regenerative braking energy and power of the train is large, so that the super capacitor has sufficient capacity to respond to the high power load, avoiding unnecessary starting of the braking resistor; When it is small, the super-capacitor priority response mode is adopted due to the remaining regenerative braking energy and power of the train, which reduces the battery usage capacity to improve the service life of the battery. Using the actual line parameters of the Beijing Subway, the traction power supply simulation platform and the hybrid energy storage test platform were used to simulate and verify the effectiveness of the proposed control strategy. Simulation and experimental results show that this control strategy can effectively improve the ability of hybrid energy storage device to absorb the remaining regenerative braking energy and increase the lifetime of the battery. © 2019, Electrical Technology Press Co. Ltd. All right reserved.
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页码：760 / 769
页数：9
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