谭博文，姜昭禹，冯学鹏，芦宁

（大连中车柴油机有限公司，辽宁 大连 116022）

摘要：随着铁路牵引快速发展，以及绿色环保成为关注焦点，大功率、轻量化、低排放的高速柴油机越来越多地被用于内燃机车上。本文介绍在国际铁路市场上应用的大功率高速柴油机的发展现状，对于国际上几款满足严格排放要求的先进的大功率高速机车柴油机所采用的排放控制策略进行汇总整理，并根据不同阶段的排放标准进行分类，对于其中所应用的各项关键技术进行比较及适用性分析。并结合我国的现状，对我国机车用大功率高速柴油机的排放控制策略提出建议。

关键词：高速柴油机；排放控制策略；高压共轨燃油系统

Abstract：As the repid development of railway traction power and the popularization of environmental protection,an increasing number of high-speed diesel engine with high power,light weight and low emission was used for locomotive.In this article,the development statues of the high speed and large diesel engines operating on the international railway market are introduced,and the emission control strategy used on those advanced high speed and large diesel engine for locomotive in our country is proposed.

Key Words：high speed diesel engine for locomotive；emission control strategy；HP common rail fuel system