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随着电网负荷的不断增长,传统的10kV分段备自投装置在过载情况下不能满足运行条件,为提高供电可靠性,需要对传统备自投装置做一些技术改进。文章以中山电网10kV分段备自投的运行状况为例,对10kV分段备自投的合流闭锁功能的实现方式进行深入分析,提出了相应的建议。
With the increasing load of the power grid, the traditional 10kV segmented self-throwing device can not meet the operating conditions under overload conditions. In order to improve the power supply reliability, some technical improvements of the traditional self-throwing device are needed. Taking the operation condition of 10kV sub-equipment in Zhongshan Power Grid as an example, the article makes an in-depth analysis on the realization of the confinement blocking function of 10kV sub-equipment, and puts forward corresponding suggestions.