动车组九大关键技术中,CRH2 CRH3型 有什么不同?求指导~!

2025-03-15 04:31:22
推荐回答(3个)
回答1:

CRH2是日系车,CRH3是欧系车,完全两种概念,不管高压、牵引、制动、网络、辅助供电、走行部、车体、司机操作等区别都很大,我不单一进行讲解,最大的区别是CRH2比较简单,自动化程度不高,网络极其简单,主要靠硬线,途中故障较少;而CRH3型自动化高,极其敏感,容易误报故障,经常要使用电脑软件进行查询和处理故障,从检修和使用角度来讲,CRH2型比较轻松实惠,CRH3型比较娇贵

回答2:

CRH2和CRH3型动车组在九大关键技术方面有一些不同。总体来说,CRH2型比较简单,自动化程度不高,网络极其简单,主要靠硬线,途中故障较少;而CRH3型自动化高,极其敏感,容易误报故障,经常要使用电脑软件进行查询和处理故障。
1. 网络系统:CRH2型的网络系统较为简单,主要靠硬线进行控制,这样在途中故障较少。而CRH3型的网络系统较为复杂,采用日本的新干线技术,途中故障较多。
2. 自动化程度:CRH2型的自动化程度不高,需要人工进行干预。而CRH3型的自动化程度较高,可以自动完成许多任务,但同时也容易误报故障。
3. 检修和使用角度:从检修和使用角度来看,CRH2型比较轻松实惠,而CRH3型比较娇贵。
综上所述,CRH2和CRH3型动车组在九大关键技术方面有所不同,主要体现在网络系统、自动化程度和检修和使用角度方面。

回答3:

九大:总成、车体、转向架、牵引变压器、牵引变流器、牵引电机、牵引控制、网络控制、制动;
区别:车体CRH3无横梁、边梁承载;转向架:轮径、枕梁方式;牵引:主副一体化和主副分离;网络:ARCNET和UIC;制动:自律分散和整体主控管理;

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