城市电网配电系统由于其覆盖的地域极其辽阔、运行环境极其复杂以及各种人为因素的影响，电气故障的发生是不能完全避免的。
Municipal power distribution system, with its extensive coverage, its operation environment is very complicated and all kinds of human factors, the happening of electrical accident is unavoidable.
为了确保城市电网配电系统的正常运行，必须正确地设置继电保护装置。
In order to ensure municipal power distribution system 'normal operation, the protection equipment of relay protection should be correctly set.
目前正在进行的城市电网建设改造工程和即将实施的配电系统自动化建设工程都要求对配电网的接线方式进行规划设计。
Both the current urban power network reconstruction project and the coming distribution system automation project need wiring mode planning and design.
城市配电网因为其电压等级较低，为了提高系统供电的可靠性，曾广泛采用中性点不接地系统方式。
In distributions, because of its low-level voltage, its neutral point used to disconnect to the ground in order to improve its reliability.
提出了城市轨道交通采用弱电系统后备电源整合与智能化计时配电管理的设计理念，并在深圳地铁3号线中应用。
This paper introduces the integration of UPS and intelligent time distribution technique of weak current systems in rail transit and its application in Shenzhen Metro Line 3 .
高压输配电、城市供电、线路的铁塔、变压器罩壳，高压开关柜及连接系统。
High Voltage Transmission and Distribution, City Power Supply, Line Tower, Transformer Shell, High Voltage Switchboard and link system.
城市中压配电网是整个电力系统的重要组成部分，其功能是将电力安全、可靠地分配到用户。
Urban medium-voltage distribution network, one of the most important parts of power system, is expected to distribute electric energy to consumers with considerable security and reliability.
城市中压配电网规划是整个电力系统规划的重要组成部分。
The mid-voltage distribution network planning is a complicated system optimization problem with many difficulties as follows: uncertainty, multi-.
城市中压配电网规划是整个电力系统规划的重要组成部分。
The mid-voltage distribution network planning is a complicated system optimization problem with many difficulties as follows: uncertainty, multi-.
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