变电站VRLA蓄电池断格事件分析及预判措施研究  

The Analysis of an Substation Accident Due to Vrla Battery Failure and the Study of Prejudging Measures

作　　者：孔圣立 陈宇 郭志克 赵光金 刘昊 KONG Sheng-li;CHEN Yu;GUO Zhi-ke;ZHAO Guang-jin;LIU Hao(State Grid Henan Electric Power Research Institute,Zhengzhou 450052,China;State Grid Pingdingshan Power Supply Company,Pingdingshan 467000,China)

机构地区：[1]国网河南省电力公司电力科学研究院,河南郑州450052 [2]国网河南省电力公司平顶山供电公司,河南平顶山467000

出　　处：《通信电源技术》2020年第15期249-251,共3页Telecom Power Technology

摘　　要：简述某110 kV变电站站用交流电源失去和VRLA蓄电池发生断格的事件,分析该变电站蓄电池运维现状及措施,对该组断格蓄电池进行解体测试,从蓄电池电压、内阻、正极板厚度以及核对性放电试验等方面查找事件原因,并结合供电公司查找断格蓄电池方法,提出有效的预判措施。This paper briefly described an 110kV substation accident that AC power couldn’t supply and VRLA batteries just failed.The operation and maintenance status and measures of that substation batteries were analyzed,and some batteries disassembling tests were carried out,and this paper tried to explore the accident cause from the battery voltage,internal resistance,positive plate thickness,discharging test and so on.Combined with the method of searching broken cell battery,the effective prejudging measures are put forward.

关 键 词：蓄电池 断格 正极板厚度 VRLA 冲击电流 

分 类 号：TM9[电气工程—电力电子与电力传动]