英汉例句

• the significance of electrical protection and definite value of dc traction power supply system for metro is illustrated.

  阐明地铁直流牵引供电系统电气保护设置与定值的重要性，着重论述地铁电气保护设置的主要原则。

• dc traction power supply system;

  直流牵引供电系统；

• moreover, taking the successful case of application in beijing metro as an example, the programmable control technique has been applied to the overall dc traction power supply system.

  以北京地铁的成功应用为例，介绍可编程控制技术在直流牵引供电系统中的局部应用到全面推广；

• in the first chapter, studying the structure and running performance include the dc traction power supply and ac power supply system.

  本篇论文第一章研究了城市铁路供电系统（包括直流牵引供电系统和交流供电系统）的构成和运行方式。

• introduces the principle of frame leak protection in dc traction power supply system, and compares it with ovpd to explain the cooperation of them.

  介绍了直流牵引供电系统中常见的框架泄漏保护装置的原理，并与轨电位装置进行比较，说明两者的配合。

• with the rapid development of urban mass transit system, more and more attentions are paid to the problem of metal structure corrosion from stray current of dc traction power supply system.

  近年来，随着我国城市轨道交通事业的蓬勃发展，直流牵引供电系统中杂散电流对主体结构钢筋及其它金属结构的电化学腐蚀问题越来越引起社会的广泛关注。

• study of distribution and protection of stray current in dc traction power supply system;

  变压器出现后，许多负荷由交流供电而不用直流供电。

• it analyses the rail transit dc traction power supply system voltage type frame protect device and rail voltage limited device matching problems that solve their adjusting value and time.

  分析了轨道交通直流牵引供电系统的直流设备电压型框架保护装置与轨道电位限制装置定值和时间配合存在的问题及解决办法。

• the paper discussed the dc traction power supply system's feeder protection configuration in the end, and detailed analysis the principle of protection based on the current amount.

  探讨了直流牵引供电系统馈线保护配置，详细分析了基于电流变化特征量保护的原理。