The distribution line in the power system plays an important role, and it is the key link to contact the buck substation and distribution transformers and the basis for the power supply. In the operation of the power system, the distribution line is responsible for sending power to major clients, once the problems of distribution line occurs, it will cause a great impact on the power system, even lead to large-scale blackouts, and will bring irreparable significant loss to the people and society, so the security of distribution line is a vital task. This article, from the common operational fault power of distribution lines, proposes the maintenance methods.%在电力系统中配电线路起到重要的作用，是联系降压变电、配电变压器的关键纽带，是保证电力供应的基础。在电力系统运行中配电线路负责将电力输送至各大用户端，一旦配电线路出现问题，就会对电力系统造成很大的影响，甚至引发大规模停电，给人们、社会带来不可弥补的重大损失，因此，保障配电线路的安全是一件至关重要的任务。本文从电力系统中常见的配电线路运行故障出发，提出配电线路运行故障的检修方法。
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