客车系统中电控欧技术的发展与应用.ppt

客车系统中电控欧3技术的发展与应用 目录 国内外排放标准情况简介； 满足欧3排放的相关技术； 上柴电控CRS柴油机的开发与产业化 国内外排放标准及其推进日期 当今日期 JP03 JP05 JP09 Euro 3 Euro 4 资料来源: 戴克 排放标准在欧洲与中国的实施: 欧0到欧5 1988 1992 1995 2000 2005 2008 1988 1992 1995 2000 2005 2008 0,7 0,4 0,15 0,10 0,02 0,02 14,1 9,0 7,0 5,0 3,5 2,0 EURO 0 1 2 3 4 5 EURO 0 1 2 3 4 5 PM g/kWh NOx g/kWh 中国： 2000 2003 2007 2010 2013 中国： 2000 2003 2007 2010 2013 Type approval according EURO III…..V – manufacturers have to fulfill both tests EEVS – extra low emission vehicles (enhanced environmentally friendly vehicles) 欧洲排放标准指标值 Source: DieselN 欧3/欧4试验循环标准: ESC标准 % Engine power Engine speed 100 % 70 % 50 % nhi nlo A = nlo + 0.25(nhi - nlo) B = nlo + 0.50(nhi - nlo) C = nlo + 0.75(nhi - nlo) The test consists of a sequence of three load steps at each of the three engine speeds A (cycle 1), B (cycle 2) and C (cycle 3), followed by cycle 4 at a speed between speed A and speed C and a load between 10% and 100%, selected by the certification personnel. Speeds A, B, and C are defined in the ESC cycle. Smoke measurement values are continuously sampled during the ELR test with a frequency of at least 20 Hz. Source: DieselN 欧3/欧4试验循环标准: ELR标准 汽车试验标准 Part one represents city driving with a maximum speed of 50 km/h, frequent starts, stops, and idling. Part two is rural driving starting with a steep acceleration segment. The average speed is about 72 km/h Part three is motorway driving with average speed of about 88 km/h. Source: DieselN 欧3-欧5试验循环标准: ETC标准 Engine speed Engine torque Source: DieselN 欧3-欧5试验循环标准: ETC标准 发动机试验标准 目录 国内外排放标准情况简介； 满足欧3排放的相关技术； 上柴电控CRS柴油机的开发与产业化 NOx [g/kWh] 0 . 0 0 . 1 0 . 2 0 1 2 3 4 5 6 7 8 9 1 0 Euro 2 Euro 3 Euro 4 2. PM后处理 氮氧化物后处理 PM [g/kWh] Euro 5 1. 增高喷射压力 ＋废气再循环 满足各级排放标准的发动机技术 电控技术+ 高压喷射 + 改善燃烧过程 0.15 0.02 增压中冷 + 燃烧过程改善 满足排放要求的喷油和燃烧技术 Cylinder Pres