Numerical analysis of electric bus fast charging strategies for demand charge reduction

被引：99

作者：

Qin, Nan ^{[1
]}

Gusrialdi, Azwirman ^{[2
]}

Brooker, R. Paul ^{[1
]}

T-Raissi, Ali ^{[1
]}

机构：

[1] Univ Cent Florida, Florida Solar Energy Ctr, 1679 Clearlake Rd, Cocoa, FL 32922 USA

[2] Univ Cent Florida, Dept Elect & Comp Engn, Orlando, FL 32816 USA

来源：

TRANSPORTATION RESEARCH PART A-POLICY AND PRACTICE | 2016年 / 94卷

关键词：

Electric bus; Demand charge; Lithium titanate; Fast charging; HYBRID;

D O I：

10.1016/j.tra.2016.09.014

中图分类号：

F [经济];

学科分类号：

02 ;

摘要：

Electric transit buses have been recognized as an important alternative to diesel buses with many environmental benefits. Electric buses employing lithium titanate batteries can provide uninterrupted transit service thanks to their ability of fast charging. However, fast charging may result in high demand charges which will increase the fuel costs thereby limiting the electric bus market penetration. In this paper, we simulated daily charging patterns and demand charges of a fleet of electric buses in Tallahassee, Florida and identified an optimal charging strategy to minimize demand charges. It was found that by using a charging threshold of 60-64%, a $160,848 total saving in electricity cost can be achieved for a five electric bus fleet, comparing to a charging threshold of 0-28%. In addition, the impact of fleet sizes on the fuel cost was investigated. Fleets of 4 and 12 buses will achieve the lowest cost per mile driven when one fast charger is installed. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：386 / 396

页数：11

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