500kV鹅城换流站站用直流系统蓄电池问题分析及处理

Problem analysis and treatment of DC system storage battery in 500 kV Echeng Converter Station

在开展鹅城换流站检修技术监督工作时,发现-48 V通信电源室2组直流蓄电池老化严重,110 V直流系统有3组蓄电池组核对性放电试验不合格。文中分析问题原因,并提出整组更换蓄电池组和更换单只蓄电池的处理意见。

During the technical supervision of the Echeng Converter Station maintenance working, it was found that 2 sets of DC battery in -48 V communication power supply were aging, and checking discharge test for 3 groups of storage battery sets in 110 V DC system were failed. The problem reasons are analyzed and the suggestions of the whole group battery set and single battery replacement are put forward.