Optimal energy saving in DC railway system with on-board energy storage system by using peak demand cutting strategy

被引：25

作者：

Sumpavakup C. ^{[1
]}

Ratniyomchai T. ^{[1
]}

Kulworawanichpong T. ^{[1
]}

机构：

[1] School of Electrical Engineering, Suranaree University of Technology, Nakhon Ratchasima

来源：

Journal of Modern Transportation | 2017年 / 25卷 / 4期

关键词：

DC-electrified railway; Energy saving; On-board energy storage system; Peak power reduction; Regenerative braking energy;

D O I：

10.1007/s40534-017-0146-6

中图分类号：

学科分类号：

摘要：

A problem of peak power in DC-electrified railway systems is mainly caused by train power demand during acceleration. If this power is reduced, substation peak power will be significantly decreased. This paper presents a study on optimal energy saving in DC-electrified railway with on-board energy storage system (OBESS) by using peak demand cutting strategy under different trip time controls. The proposed strategy uses OBESS to store recovered braking energy and find an appropriated time to deliver the stored energy back to the power network in such a way that peak power of every substations is reduced. Bangkok Mass Transit System (BTS)-Silom Line in Thailand is used to test and verify the proposed strategy. The results show that substation peak power is reduced by 63.49% and net energy consumption is reduced by 15.56% using coasting and deceleration trip time control. © 2017, The Author(s).

引用

页码：223 / 235

页数：12

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