变电站铅蓄电池失效模式及修复技术研究进展  

Research progress of failure modes and recovery technology of leadacid batteries in substations

作　　者：陈传敏[1,2] 陈若希 郁金星 刘松涛 CHEN Chuanmin;CHEN Ruoxi;YU Jinxing;LIU Songtao(Key Laboratory of Cooperative Control of Multi-pollutants in Flue Gas of Coal-fired Power Plants in Hebei Province,Department of Environmental Science and Engineering,North China Electric Power University,Baoding Hebei 071003,China;Key Laboratory of Ministry of Education for Regional Energy System Optimization,North China Electric Power University,Beijing 102206,China;State Grid Hebei Electric Power Research Institute,Shijiazhuang Hebei 050021,China)

机构地区：[1]华北电力大学环境科学与工程学院河北省燃煤电站烟气多污染物协同控制重点实验室,河北保定071003 [2]华北电力大学区域能源系统优化教育部重点实验室,北京102206 [3]国网河北省电力有限公司电力科学研究院,河北石家庄050021

出　　处：《电源技术》2022年第8期842-844,共3页Chinese Journal of Power Sources

基　　金：国家电网公司总部科技项目(8100-202013151A-0-0-00);河北省重点研发计划(21373805D)。

摘　　要：铅蓄电池作为变电站中最主要的直流电源,负责事故停电后的照明、控制、自动装置及通信装置等重要设备的电力储备,是电力系统中至关重要的组成部分。为了改善直流系统运维方案,延长电池使用寿命,缓解环境压力,针对变电站实际运行工况,总结了主要失效模式及机理,印证了活性物质脱落及不可逆硫酸盐化等综合失效原因,对劣化电池活化修复技术进行梳理总结,对比不同方法的优劣性,阐述修复技术的发展前景。As the most important DC power source in substations,lead-acid batteries are responsible for the power reserve of important equipment such as lighting,control,automatic devices and communication devices after an accidental blackout.It is a vital part of the power system.In order to improve the DC system operation and maintenance plan,extend battery life,and relieve environmental pressure,according to the actual operating conditions of the substation,the main failure modes and mechanisms were summarized,the comprehensive failure reasons such as active material shedding and irreversible sulfation were verified,the activation and recovery technology of degraded batteries were summarized,the pros and cons of different methods were compared,and the development prospects of recovery technology were explained.

关 键 词：铅蓄电池 变电站 失效模式 修复技术 

分 类 号：TM912[电气工程—电力电子与电力传动]