with reference of actual operation of scada system of beijing-zhengzhou electric railway line, it analyzes the remaining problems in communication channel for scada of electric railway line.

结合京广线京郑段电气化铁道远动系统的实际运行状况，分析了电气化铁道远动系统通道存在的问题。

tama, a 9-year-old cat in a western japanese town, was appointed by wakayama electric railway as master of an unmanned train station.

日本和歌山电气铁路公司任命名为「阿玉」的9岁花猫为一个无人售票车站站长。

due to the power cuts, 13 traction substations for some sections on the hunan-guizhou electric railway could not work properly.

停电还影响了湘黔电气化铁路等相关路段13座牵引变电站的正常运行。

in the electric railway power supplying systems in china, yn/ connected balance transformers(including impedance-matching balance transformer)are most commonly used as traction transformers.

在我国的电气化铁道牵引供电系统中，yn/?平衡变压器（含阻抗匹配平衡变压器）是应用最为广泛的牵引变压器。

the electric railway is the trend for the railway transportation.

电气化铁道是铁道运输的发展方向。

in electric railway traction substation, power capacitors and harmonic filters are the important devices for improving both the power factor and the power quality.

在电气化铁道牵引变电站中，装设无功补偿电容器和谐波滤波器是提高功率因数、改善电能质量的重要手段。

at present, the power source of electric railway locomotive is the 25kv ac which provide by the stagger.

目前，我国电气化铁路运行的电力机车所使用的电源，是接触网提供的25kv单相交流电。

the electric railway opencast mine is simplified to a even distribution parameter mode in this paper. by this mode, the distribution and main influencing factors of dc leak current are analyzed.

通过建立露天煤矿电气化铁道简化的均匀分布参数模型，分析了直流杂散电流的分布规律和影响直流杂散电流的主要因素， 并提出了抑制杂散电流应采取的有效措施。

traction load in electric railway is a kind of large-power, single-phrase and nonlinear load.

电气化铁道电力机车牵引负荷为大功率单相整流负荷，具有非线性、不对称和波动性等特点。

the balance transformer accroding to impedance matching which has been widely used in electric railway is a kind of three-phase to two-phase power supply equipment.

阻抗匹配平衡变压器，是一种三相变两相的供电设备，已广泛用于我国电气化铁道。

in electric railway track circuit, the two steel tracks are both transmission line of the track signal and return line for electric locomotive tractive current back to electric substation.

在电气化铁路轨道电路中，两条钢轨即是轨道信号的传输线，又是电力机车牵引电流返回变电所的回流线。

the single-phase active power filter can be used in electric railway and low voltage power supply for harmonic suppressing and reactive power compensation.

该有源滤波装置可用于电气化铁道的无功动态补偿，也可用于三相四线制电网的分相无功补偿与谐波抑制。

the important role of electric railway catenary is to transfer electrical energy from traction substation to electric locomotive.

电气化铁路接触网担负着把从牵引变电所获得的电能直接输送给电力机车使用的重要任务。

thirdly, the structure of the substation integrated automation system of zhanyi-kunming electric railway is analyzed.

对牵引变电所综合自动化系统的结构形式进行需求分析。

fifthly, demand analysis about the dispatching control system and substation communication network in substation integrated automation system of zhanyi-kunming electric railway is presented.

对沾昆线牵引供电综合自动化系统的调度控制系统进行功能及站级通信网络进行功能需求分析。

the electricity was used to light sections of the city and run the electric railway that ran between the ma-chia-pu train station and beijing's hatamen south gate.

所发的点用于城市部分地区的照明和运营来往于马家堡火车站和北京的哈德门南门之间的电车。

through analysis work principle and dynamic reactive compensation principle proved advantages and feasibility of magnetic valve controllable reactor in electric railway system are proved.

通过分析磁阀式可控电抗器及动态无功补偿装置工作原理，论证了磁阀式可控电抗器在电气化铁路无功补偿的优越性和可行性。