山西±800千伏特高压雁门关换流站完成年度“大体检”|国产 国语对白 露脸

  中新网朔州9月30日电 (高雨晴 刘颖 张博然)“双极换流变充电正常设备状态已核对完毕,所有遥信遥测信息正确。各操作人员请就位,准备解锁操作。”9月30日9时许,位于山西朔州的±800千伏特高压雁门关换流站主控室内,运行值班长正在向操作人员下达操作命令。9时37分,监控系统显示双极换流器成功解锁,雁淮直流系统一次性送电成功,标志着该换流站完成2025年度“大体检”。

国网山西超高压变电公司±800千伏雁门关换流站检修人员正在检查直流场设备。国网山西省电力公司供图

  ±800千伏雁门关—淮安特高压直流工程起于山西朔州,止于江苏淮安,最大输电能力800万千瓦,是“晋电下江南”的电力大动脉,旨在确保这条连接山西与江苏的电力通道持续稳定运行,为华东地区电力供应提供可靠保障。截至9月30日,该工程已累计安全运行3014天,累计输送电量2879.485亿千瓦时,约合电煤1.01亿吨,减排二氧化碳2.64亿吨。

  据了解,此次年度检修是雁门关换流站投运以来的第8次全面“体检”,历时7天,共有国网山西电科院、国网山西送变电公司等22家单位参与,参检人员达552人,完成例行检修6项,特殊性检修项目22项,技改大修5项,消缺工作63项,隐患治理11项,精益化检修重点项目80项。

  其中,GIS断路器液压操作机构频繁打压隐患治理、交流滤波器5631罐式断路器灭弧室大修、低端换流变MR分接开关头盖加强改造和各项精益化检修项目等重难点项目,成为本次年度检修攻坚的重点任务。(完)

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