北京奥运示范运行燃料电池大客车的能量分析  

Analysis of energy systems in fuel cell buses as new energy vehicles for Beijing Olympic Games

作　　者：邓学[1] 叶雨明[1] 王贺武[1] 欧阳明高[1] 

机构地区：[1]清华大学汽车安全与节能国家重点实验室中国车用能源研究中心,北京100084

出　　处：《清华大学学报（自然科学版）》2010年第5期654-659,共6页Journal of Tsinghua University(Science and Technology)

基　　金：国家"八六三"高技术项目(2008AA11A157)

摘　　要：通过对示范运行的燃料电池混合动力城市大客车的运行数据进行统计分析,总结了车辆运行的基本情况,分析了不同时期和条件下的燃料经济性和能量流动。结果表明：公交路况下示范车在中高速下贡献了大部分的行驶里程,低速和怠速下却消耗了大部分的能量。通过对比不同时期和不同技术下的能量流动图表发现：燃料电池系统在运行过程中的能量效率较高（40%~50%）;国产燃料电池城市客车的能量消耗率优于传统柴油城市客车;车辆的附件功率随季节发生变化,附件功耗由于空调的开启而波动较大（总能量的10%~18%）;在采用制动能量回馈技术后,可降低7%~8%的燃料消耗。This paper investigates the performance of fuel cell hybrid buses（FCBs） in the project ＂New Energy Vehicles for Olympic＂,with the energy system and vehicle economy studied based on the key performance parameters from the operation.Statistical analyses show that,for the public transportation road condition,the FCBs contribute most of the drive mileage at mid-and high-speeds while consuming most of the total fuel at low-speeds and the idling state.The fuel cell systems supply energy with high average efficiencies of 40%—50%,with the homemade FCBs having fuel economy performance of about 27%,better than that of the conventional diesel city bus.The auxiliary power varies with different seasons of a year,with the auxiliary power consumption fluctuating by 10%—18% of the total energy due to the air-conditioning.The FCB energy flow diagrams of brake energy regeneration systems show recycled brake energy of 7%—8% of the total energy consumption.

关 键 词：燃料电池城市客车 示范运行 能量流动 效率 优化 

分 类 号：TK91[动力工程及工程热物理]