介绍长春轻轨三期工程项目采用的现代有轨电车的基本技术参数、系统组成和系统配置，分析车辆的技术特点，阐明可供借鉴的技术成果，为有轨电车项目建设提供参考。

Based on the modern tramcars of Changchun LRT 3rd phase project，this paper introduces in detail their technical parameters，system composition and configuration，and analyzes the technical characteristics of vehicles，further to provide reference materials for LRT construction．