英汉例句

• with the rapid development of subway, it is necessary to consummate the protection for dc traction power supply system.

  随着城市地铁的大力发展，研制更加完善的直流保护正是应时之需。

• the paper presents the implementing methods of graph-picture management sub-system in traction power supply management system by adopting multi-tier distribution structure technology.

  介绍了采用多层分布式技术实现牵引供电运营管理系统中图形图片管理子系统的方法。

• 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。

• 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；

• it is significant in design of traction power supply systems and evaluation of relative power quality problems to build a proper electric load model for the electric multiple units(emu).

  动车组电气负荷建模对牵引供电系统的设计以及电能质量相关问题的评估具有重要意义。

• the paper study on maintenance extension and real-time two aspects of the existing digital protection devices software, and upgrade software of traction power supply transformer protection.

  文中从现有微机保护装置存在的两大问题即软件维护扩展功能和软件的实时性，探讨牵引供电系统变压器保护软件的升级方案。

• the complete calculation methods of traction power supply for urban mass transit are established by using the calculation methods presented in this paper and the calculation methods currently in use.

  给出的计算方法可与现行的城市轨道交通牵引供电计算方法相结合，构成完整的牵引供电计算方法。

• on the other hand, since traction power supply network is a ac-dc network, its running modes are complicated.

  另一方面，地铁牵引供电网络是一个交直流混合的网络，运行方式较为复杂。

• 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。

• so the investment and running costs of the traction power supply system will be reduced sharply after employing ac drive system for rolling stocks.

  因此采用交流传动后可以减少电力牵引供电系统的投资并大大降低线路的运行费用。

• when railways are electrified it will be generalized in various types of the traction power supply systems.

  新型结线原理能够推广运用于复线、单线电气化铁路不同类型的牵引供电系统。

• along with the development of railway and power grid, a new traction mode, so called two-phase ac traction power supply mode, is adopted in china.

  随着我国电网的发展和铁路建设的需要，电气化铁路采用了两相交流供电系统直接并入电力输电网的牵引模式。

• consideration for the simplicity of computer programming and code maintenance, a universal simulation model of ac traction power supply system based on the substation has been chosen.

  本文在单列车运行仿真的基础上，提出了一种形成多列车运行仿真结果的计算方法。

• scada technology system for railway traction power supply is based on integration of many existing scada systems in shenyang railway bureau and achieves unified command.

  铁路牵引供电远动系统项目就是基于整合沈阳铁路局管内现有的多个远动系统，实现统一的调度指挥而新开发的系统。

• the section post of electrified railway is the important establishment of the traction power supply system.

  电气化铁道分区所是牵引供电系统中重要的供电设施。

• 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。

• this article introduces the traction power supply system in wuhan, especially the electrical and mechanical indices of aluminum -composite conductor rail and its accessories.

  本文介绍了武汉市轨道交通的牵引供电系统，重点介绍了钢铝复合接触轨及其附件的电气和机械性能指标。

• traction transformer is the most important electrical equipment of traction substation. also traction transformer protection device is the foundation of safe and stable traction power supply system.

  牵引变压器是牵引变电站中最重要的电气设备，牵引变压器保护装置是整个牵引供电系统安全稳定运行的基础。

• a novel traction power supply system with the active power compensator as its key part is proposed as a solution for unbalanced 3 phase load, low power factor and harmonic pollution, etc.

  提出了一种以有源功率补偿器为核心的新型铁路牵引供电系统，以解决现有牵引供电系统对电力系统造成的三相负载不平衡、功率因数低及谐波污染等问题。

• with the development of computer information technology, a new seedtime for railway traction power supply system automation has come.

  随着计算机信息技术的飞速发展，我国的铁路牵引供电自动化进程已进入一个新的发展阶段。

• signal-phase ac traction power supply system is applied in electrified railway.

  我国电气化铁路采用单相工频交流牵引供电系统。

• 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。

• for insulation test on traction power supply equipment in electrified railway, a new type of synthetic measuring instrument is developed.

  针对电气化铁道牵引供电设备的绝缘试验，研制了一种新型便携式绝缘综合测试仪。

• the engineering design of the scada system for traction power supply of electrified railway is briefly analyzed.

  简要分析电气化铁道牵引供电远动系统的工程设计。

• the electric traction power supply system is shouldering the duty of uninterrupted power supply to the electric locomotive, it is the bridge between the electrical power system and users.

  电力牵引供电系统担负着向电力机车不间断供电任务，乃是电力系统与用户间的桥梁。