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北京城市副中心行政办公区首座配套变电站竣工投产

2017-08-31 18:11:01   中国青年网

人民网北京8月31日电 8月31日,在北京城市副中心行政办公区首座配套变电站——110千伏辛安屯变电站,电力运行人员正在主控室内进行送电操作,随着201A开关柜上的红色指示灯亮起,辛安屯变电站10千伏母线正式带电,标志着行政办公区开始由正式电源供电,对于服务北京市级机关搬迁入驻,加快推进城市副中心整体建设提供重要电源保障。

“今天是变电站发电的最后环节,我们主要是进行辛安屯站3#变压器及所带10千伏5A#、5B#母线的送电操作,该站正式发电投运后,已经具备向行政办公区供电的条件。”国网北京检修公司变电运维人员周军猛介绍。

据了解,要满足建设中的大量用电以及后续的正常用电,北京城市副中心行政办公区一期规划建设220千伏潞城工程,以及辛安屯、东夏园、新胡各庄3座110千伏工程。110千伏辛安屯变电站是首座投产的变电站,国网北京电力自2017年3月20日启动建设,经历了土建交安、电气设备安装调试、发电验收等各环节,整体建设周期仅用时163天,比计划提前了2个月完工。

110千伏辛安屯变电站是国网优质示范工程之一,不仅择优选取国际一流的电气设备,还采用了屋外梁柱板材无缝焊接、室内无尘环境精密电气组装等一系列国内行业领先的施工工艺。“辛安屯站采用钢结构、智能变电站模块通用设计,建设周期短,建筑结构也更可靠,运行高效低耗。并且结合周边环境,综合设计外立面方案,有机融入行政办公区整体景观,可以说是最美的绿色变电站。” 国网北京通州供电公司建设部主任康琦说。

为加快工程实施进度,国网北京电力开展“百日攻坚”行动,在辛安屯项目部成立临时党支部,并组建电网建设共产党员突击队,充分发挥党支部的战斗堡垒作用和党员先锋模范作用,党员骨干带头驻守现场,施工人员最多时达到300余人。

“考虑到建设工期紧、任务重,国网北京电力密切对接行政办公区工程建设办公室,从全公司抽调骨干,统筹协调设计、施工、监理、设备厂商等各方力量,共制定16项提速增效措施,优化流程链条,实行多专业流水作业模式。同时,在施工过程中应用了‘智慧工地’管理系统,远程监控施工现场的安全措施落实情况和施工工艺情况,实现对‘安全、质量、进度’的有效管理。”国网北京市电力公司建设部副主任魏宽民介绍。

国网北京电力全面开展高标准电网规划布局,编制《北京城市副中心智能电网建设方案》,城市副中心规划建设1座500千伏变电站、8座220千伏变电站、27座110千伏变电站,形成由现状500千伏通州变电站和规划新建500千伏通北变电站构成的‘一南一北、双电源支撑’的供电格局,并在行政办公区建设国际一流现代化电网。“十三五”末,通州电网规模将达“十二五”末的2.7倍,有效满足城市副中心负荷发展需要。

“我们在北京城市副中心行政办公区终期规划了“2+7”座配套变电站,与区域周边变电站实现220千伏与110千伏变电站的“钻石型”接线,这种接线方式更加灵活可靠,将为行政办公区提供坚强的电源保障。”国网北京电力发展部规划二处处长李晖介绍。

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