区域备自投装置现场应用中存在的问题及解决措施

Problems Existing in the On-Site Application of Regional Automatic Switching Device and Solutions

针对两级串供的变电站区域备自投,简要阐述了区域备自投装置的动作原理,分析了区域备自投装置在现场应用中与现有继电保护装置合后位置继电器配合时存在的问题,并提出了具体的解决措施,避免因外部接线导致备自投不正确动作。

Aiming at the substation with two-stage series power supply,the operation principle of the regional backup and automatic switching device is briefly described,and the problems existing in the field application of the regional backup automatic switching device and the position relay after the closing of the existing relay protection device are analyzed,and put forward specific solutions to avoid the incorrect action of the standby self-switching caused by external wiring.