变电站用浮充型铅酸蓄电池故障分析及失效模式讨论  

Failure analysis and failure mode discussion of floating lead-acid battery used in substation

作　　者：陈凌宇 刘敏 CHEN Lingyu;LIU Min(Zhejiang Electric Power Research Institute of State Grid Electric Power Company,Hangzhou Zhejiang 310006,China)

机构地区：[1]国网浙江省电力有限公司电力科学研究院,杭州浙江310014

出　　处：《蓄电池》2022年第6期281-288,共8页Chinese LABAT Man

基　　金：国网浙江省电力有限公司科技项目(5211DS200005)。

摘　　要：对来源不同的故障VRLA蓄电池进行拆解,通过扫描电子显微镜(SEM)、能量色散X射线光谱仪(EDX)等技术对电池内部结构的腐蚀程度及材料性能的进行微观分析,并对发生的故障原因及失效模式进行分析总结。The VRLA battery with different sources of failure was disassembled,and the corrosion degree and material properties of the internal structure of the battery were analyzed by scanning electron microscopy(SEM),energy dispersive X-ray spectrometer(EDX)and other technologies,and the failure causes and failure modes were analyzed and summarized.

关 键 词：阀控式铅酸蓄电池 失效模式 故障 腐蚀 汇流排 硫酸盐化 极耳 极板 

分 类 号：TM912.1[电气工程—电力电子与电力传动]