高速铁路混合储能系统容量优化研究

doi:10.19595/j.cnki.1000-6753.tces.201060

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摘要随着我国高铁里程和班次的增多,高铁机车刹车时回馈送到电网的制动功率和能量越来越大。为了充分利用这部分能量,该文提出一种基于超级电容器和锂离子电池的混合储能系统及优化配置方法,旨在获得最大的经济效益。首先,建立混合储能系统的数学模型;然后,建立高速铁路牵引供电系统日运行成本的经济优化模型,以成本最低为优化目标,采用混合整数线性规划方法对储能配置方案优化;最后,以国内某高铁站实际负荷为例进行计算,结果显示采用混合储能系统部分吸收再生制动能量时经济收益最高,日总成本节省了3%。

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	袁佳歆
	曲锴
	郑先锋
	闵永智

关键词 ：再生制动能量, 混合储能系统优化, 超级电容器, 锂离子电池, 混合整数线性规划

Abstract：With the increase of the mileage and shift of high-speed railway in China, the braking power and energy fed back to the power grid by high-speed railway locomotive when braking is increasing. In order to make full use of this energy, a hybrid energy storage system based on supercapacitors and lithium-ion batteries and its optimal configuration method are proposed in order to obtain the maximum economic benefits. Firstly, the mathematical model of hybrid energy storage system is established. Secondly, the economic optimization model of daily operation cost of high-speed railway traction power supply system is established. Taking the lowest cost as the optimization objective, the energy storage configuration scheme is optimized by using the mixed integer linear programming method. Finally, taking the actual load of a domestic high-speed railway station as an example, the results show that the economic benefit is the highest when the hybrid energy storage system is used to partially absorb regenerative braking energy, and the total daily cost is saved by 3%.

Key words： Regenerative braking energy optimization of hybrid energy storage system supercapacitors lithium ion batteries mixed integer linear programming

收稿日期: 2020-08-30

PACS:

TM922.3

基金资助:国家重点研发计划（2017YFB0902904）和湖北省自然科学基金杰出青年基金（2020CFA098）资助项目

通讯作者: 袁佳歆男,1981 年生,教授,博士生导师,研究方向为电力电子及其控制、故障限流器、新能源接入、灵活交直流输配电装置。E-mail：yjx98571@163.com

作者简介: 曲锴男,1986年生,博士研究生,研究方向为电气化交通储能技术。E-mail：qk_222@163.com

引用本文:

袁佳歆, 曲锴, 郑先锋, 闵永智. 高速铁路混合储能系统容量优化研究[J]. 电工技术学报, 2021, 36(19): 4161-4169. Yuan Jiaxin, Qu Kai, Zheng Xianfeng, Min Yongzhi. Optimizing Research on Hybrid Energy Storage System of High Speed Railway. Transactions of China Electrotechnical Society, 2021, 36(19): 4161-4169.

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