昌马河流域110 kV联合变电站更新改造技术方案OA

Based on the current operation status and existing problems of the 110 kV joint substation in the Changma River Basin,a comprehensive automation update and renovation of the substation will be carried out.The main content includes replacing the incoming circuit breakers on the medium voltage side of 2 main transformers,the 35 kV busbar circuit breakers,and the SF6 circuit breakers in the 5-circuit 35 kV outgoing line interval with vacuum circuit breakers,replacing the 35 kV connecting line circuit breakers with vacuum circuit breakers,and carrying out comprehensive automation transformation.This paper provides a detailed discussion on the renovation plan,issues to be noted during the renovation construction,and precautions to be taken,providing methodological references for substation renovation projects.