机车

In order to study diesel locomotive AC-DC electric-drive system, this thesis makes a analysis of the primary capability parameters of AC-DC electric-drive system, under the train"s running state, such as traction dynamotor"s voltage/ current, pulling power and train velocity, then makes a research in the ideal running characteristic and the adjust characteristic of dynamotor and the speed adjust characteristic of electromotor with the theory of AC-DC electric-drive.

本文针对内燃机车交-直电力传动系统，对机车运行过程中，传动系统的主要性能指标参数(如牵引发电机电压/电流、牵引力、机车速度等)及其关系进行分析；并运用交-直电力传动原理，对机车电力传动过程中牵引发电机的理想外特性、调整特性及牵引电动机的速度调节特性进行研究；通过参考东风7型内燃机车的性能、结构参数，运用Visual Basic对内燃机车交-直电力传动系统进行数学建模。

The embeddes system examinates the condition, displays the information and diagnoses the fault of the locomotive device while the expert system deals with the locomotive device state information and estimates the locomotive operation state by receiving vehicle embedded system.

其中嵌入式系统完成对机车设备状态的检测、信息显示和简单的实时故障诊断功能，专家系统通过接收车载嵌入式系统对机车设备状态信息的初步分析处理，完成机车运行状态判断和状态预测。

The design features of standardization, generalization and serialization of main parts on electric locomotive in China are briefed, the current situation of 3 types freight electric locomotive s and 5 types passenger electric locomotives is analyzed, and the necessity of preparing AC DC drive electric locomotive spectrum in China is stated as well.

简述了我国电力机车主要零部件的标准化、简统化、系列化设计特点，分析了货运电力机车3种车型和客运电力机车5种车型的现状，表明了我国交直传动电力机车型谱化的必要性。

The bogie is based on PRIMA freight electric locomotive of France and is improved in the light of the demands by domestic railway transport. Its design and production is based on international standards like EN, UIC and ISO, and is in combination with the requirement on the lower limit by GB 146.1-83 "locomotive and rolling stock limits".

转向架基于法国PRIMA货运机车转向架，结合我国铁路运输需求进行了适应性改进设计，其设计、制造采用的标准以EN、UIC和ISO等国际标准为主，同时也符合GB 146.1-83&机车车辆限界&对机车下部限界的要求。

Technical aspects of the applications are presented, focusing on raising the hunting stability of Tiansuo locomotive, improving the lateral dynamic performance of SS(7E) locomotive, and minimizing the dynamic effect of the 120 km/h freight transport locomotive on tracks.

文章着重从提高高速机车蛇行运动稳定性、改进SS7E型客运机车横向动力性能以及降低提速货运机车轮轨动力作用等方面进行了详细论述。

HXD2 electric locomotive ; heavy-haul freight transportation ; AC drive ; network control ; technical characteristic

机车可单机牵引1万吨重载列车；双机通过远程无线重联可牵引2万吨重载列车。1机车总体结构1.1设备布置HXD2机车采用2B0

Aiming at the condition that the power of air conditioning in locomotive is especial, the cooling medium is mostly chemicals and the systems are complex, in this paper, a wholly fresh air scheme is brought up for air conditioning system in locomotive drive-cab on the basis of the intermittent working of the air compressor, taking high-pressure air as power source and combining compressed-air refrigeration technique and gas injection technique, without supplying external electric apparatus.

针对现有机车空调系统电源特殊、冷媒多为化学制剂、系统复杂的状况，利用机车制动系统空气压缩机间歇工作的特点，以高压空气为动力源，有机地结合压缩空气制冷技术和气体喷射技术，提出了一套无需外加电气设备、全新风的机车司机室空调系统方案，并介绍了该系统的设计方法和气体喷射器的设计过程，为进一步深入研究奠定了基础。

To be mature Shaoshan series electric locomotive technology-based, using a number of international passenger locomotive advanced technology, is China's trunk railway traction power of the largest passenger train locomotives.

以成熟的韶山型系列电力机车技术为基础，采用了许多国际客运机车先进技术，是我国干线铁路牵引旅客列车功率最大的机车。

It also provides with locomotive testing equipments, systems for cab signal, GPS positioning, passenger information and monitoring, locomotive spare parts, electrical light source, lamps and electrical fitting.

公司专门为地铁、城市轻轨、机车车辆及工业自动化行业提供驱动控制系统；车辆测试及试验设备；机车信号、GPS定位、乘客信息、机车监控系统；车辆备品备件、电光源、灯具、电气配件。

The motorcycle adoption Heng flows quasi- Heng soon of characteristic control way, can more and so develop a motorcycle biggest start to lead dint, the motorcycle has air defense to turn/skidding protection the system, stalk be heavy to transfer compensate to control, round the track automatically lubricates system, railroad train safe supervision device.

机车采用恒流准恒速的特性控制方式，能较好地发挥机车最大起动牵引力，机车装有防空转／滑行保护系统、轴重转移补偿控制、轮轨自动润滑系统、列车安全监控装置。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了