10 kV母联备自投拒动行为分析及改进  

Analysis and Improvement of an Operation Failure of 10 kV Bus Coupled Backup Automatic Switching

作　　者：付小松 苏小雷 陈亮 FU Xiaosong;SU Xiaolei;CHEN Liang(CYG SUNRI Co.,Ltd.,Shenhen 518057,China)

机构地区：[1]长园深瑞继保自动化有限公司,广东深圳518057

出　　处：《电工技术》2024年第24期218-220,共3页Electric Engineering

摘　　要：在主供电源因故障退出运行时备自投可迅速投入备用电源,以保证电力供应不间断。备自投在运行过程中受到各种影响会出现拒动情况。以某10 kV母联备自投装置为例,阐述了无母线电压互感器场景下备用电源开关偷跳导致自投装置无法动作的情况,并提出相应的改进措施,有效提高了电源备自投装置动作成功率,保障了电网正常运行。The backup automatic switch device can quickly turn on the backup power when the main power supply is out of operation due to a fault,so as to ensure uninterrupted power supply.In the process of operation,the backup automatic switch device may be affected by various conditions,and there will be a situation of refusal to operate.In this paper,a 10 kV backup automatic switch device is taken as an example,a specific situation that the backup automatic switch device cannot operate due to the device's discharge owing to the busbar fault is illustrated and corresponding improvement measures are also proposed to effectively improve the success rate of the backup automatic switch device and ensure the normal operation of the power grid.

关 键 词：分段备自投 偷跳 拒动 改进 

分 类 号：TM769[电气工程—电力系统及自动化]