对地铁供电系统的设计和运营具有一定的参考价值。
There are definite referenced value for design and running of subway power supply system.
因此，分析和提高整个地铁供电系统的可靠性与安全性成为越来越需要关注的课题。
So analysis and improve the reliability and safety of the metro power supply system has come to more attention.
阐述了地铁供电系统对电源的基本要求，对各种供电方式的特点及其选择作了简要分析。
The article describes the basic requirements for the power source of the metro power supply system, analyzes briefly the features of various power supply modes and their selection.
广州地铁供电系统较先进的技术装置与相对陈旧的运行、检修管理方式之间存在着诸多矛盾。
There are many contradictions between advanced technical equipments and relative obsolete management mode for operation and overhaul in subway power supply system of Guangzhou.
介绍了地铁直流牵引供电系统框架泄漏保护的优化设计方案。
This paper mainly introduces an optimum design scheme for the frame leakage current protection of DC traction power supply system in metro engineering.
利用线性代数等知识，根据实际工程需要，建立了地铁牵引供电系统的动态数学模型。
Using the knowledge of linearity algebra, the dynamic mathematical model for metro traction power system is founded as per the actual requirement of engineering.
指出地铁在不停运的条件下，供电系统改造的难点和过渡方案存在的风险性；
It points out the difficulties in the renovation of the power supply system and the risks of the transitional scheme under the condition of operation without interruption.
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。
The significance of electrical protection and definite value of DC traction power supply system for metro is illustrated.
主要介绍了深圳地铁一期工程牵引供电系统保护配置及配合关系。
It is mainly introduced the protection configuration and the concerted relationship for the power supply system of Shenzhen metro vehicles at the 1st stage.
本文的研究成果可为地铁牵引供电系统接入电网提供了理论依据。
This thesis provides theoretical basis for metro traction system supply system connecting to power network.
介绍了地铁直流牵引供电系统保护的原理，和所采用的几种直流馈线保护方法。
The principle of the relay protection of multi-car's DC traction supply system and the several DC feeder protection methods were presented.
地铁牵引变断路器是地铁牵引供电系统的重要设备，地铁牵引变断路器的机械和电气动作频繁，易于发生故障。
Breaks of the metro traction substation are important equipments that have frequent mechanical and electrical actions, as a result, they are prone to failure.
地铁牵引变断路器是地铁牵引供电系统的重要设备，地铁牵引变断路器的机械和电气动作频繁，易于发生故障。
Breaks of the metro traction substation are important equipments that have frequent mechanical and electrical actions, as a result, they are prone to failure.
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