Energy Management Strategy of Hybrid Tram Based on Dynamic Degree of Hybrid

被引：0
|
作者：
Chen W. [1 ]
Shi F. [1 ]
Dai C. [1 ]
An Q. [1 ]
Liu Y. [1 ]
Liu Y. [1 ]
机构：
[1] School of Electrical Engineering, Southwest Jiaotong University, Chengdu
来源：
Xinan Jiaotong Daxue Xuebao/Journal of Southwest Jiaotong University | 2020年 / 55卷 / 02期
关键词：
DDOH; Hybrid tram; Operational economy; System efficiency;
D O I：
10.3969/j.issn.0258-2724.20181071
中图分类号：
学科分类号：
摘要：
In order to improve system efficiency and operational economy of hybrid tram, according to the relationship between dynamic degree of hybrid (DDOH) and system efficiency, a hybrid tram energy management strategy (EMS) based on DDOH online convex programming is proposed. Firstly, each component is modeled based on system parameters of the hybrid tram. Secondly, the online convex programming method is used to solve the problem, and the real-time optimal DDOH data of the system is obtained. Finally, the effect of DDOH on system efficiency is observed by RT-LAB real-time simulation platform under typical tram conditions. The results show that the relationship between DDOH and system efficiency fits a convex curve. The instantaneous efficiency is improved by 9.6% when we use DDOH online convex programming energy management strategy, compared to the situation using traditional energy-followed energy management strategy with same parameters. For a complete running circle, the power can be saved by 2 886.2 kJ, and the operational economy can be improved by 3.29%. © 2020, Editorial Department of Journal of Southwest Jiaotong University. All right reserved.
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页码：409 / 416
页数：7
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