110 kV备自投装置在智能化变电站的应用

Application of 110kV Backup Automatic Switching Device in Intelligent Substation

为了满足负荷增长需求,部分内桥接线的110 kV变电站正在扩建为扩大内桥接线。备用电源投入装置是110 kV智能化变电站的重要二次设备,在应用过程中也面临新的挑战。研究了内桥接线时备自投的工作原理和动作过程,并对扩大内桥接线的相关问题进行了讨论。

In order to meet the growing demand for load,some 110 kV substations with partial internal bridging are being expanded to increase the internal bridging capacity.The backup automatic switching device is an important secondary equipment in the 110 kV intelligent substation,and also faces new challenges in its application process.This article explores the working principle and operation process of the backup automatic switching during the internal bridging,and discusses relevant issues related to the expansion of internal bridging.