This paper introduces the electric principle, technical parameter, performance characteristic and configuration form of auxiliary electrical system for HXD2 type AC driven freight electric locomotive.
在指出火电厂辅机系统现有流量调节方式缺点的基础上，将高压变频调速控制相对传统调速方式的节能原理进行详细的比较分析。
The electric locomotive traction is mostly used in the whole railway passenger carriages and freight passenger carriages.
全路客运客车和货运客车大多采用电力机车牵引。
By the end of 2015, all railway trunk lines had realized diesel and electric locomotive traction; types and structures of passenger and freight transport vehicles had been upgraded and updated.
截至2015年年底，铁路主要干线全部实现内燃、电力机车牵引，客货运输车辆品种和结构均实现升级换代。
By the end of 2015 all railway trunk lines had realized diesel and electric locomotive traction; types and structures of passenger and freight transport vehicles had been upgraded and updated.
截至2015年年底，铁路主要干线全部实现内燃、电力机车牵引，客货运输车辆品种和结构均实现升级换代。
The article expounds the electric circuit of the prototype of SS4 locomotive of 8-axle for freight traffic.
本文阐述了新制SS4型八轴货运电力机车样车的电气线路。
CKD 7f locomotive is a diesel-electric passenger and freight locomotive for meter gauge trunk line in Viet-Nam.
型机车是为越南铁路生产的干线客、货运米轨电传动内燃机车。
CKD 7f locomotive is a diesel-electric passenger and freight locomotive for meter gauge trunk line in Viet-Nam.
型机车是为越南铁路生产的干线客、货运米轨电传动内燃机车。
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