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.

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结合黑龙江省电网配电系统实际情况，针对目前带电作业管理模式进行了比较分析。

The different models of live line maintenance management were compared and analyzed for the actual condition of distribution power system in Heilongjiang power grid.

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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.

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