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南京分公司:匠心改建焕新颜 赋能提质促发展

  • 2026-05-31 23:32:15
南京分公司:匠心改建焕新颜 赋能提质促发展

地铁供电系统是城市轨道交通的动力心脏,而400V低压配电系统作为其核心末梢,是保障车站照明、通风空调、消防联动、电扶梯运行及列车辅助供电的“神经中枢”,其运行稳定性直接决定地铁运营安全底线、乘客出行舒适度与线网综合运营效能。

南京地铁1号线作为南京市重要的轨道交通枢纽,已安全运营21载。随着运营年限增长,部分400V框架断路器等核心设备逐步老化,暴露出线路损耗偏高、保护配置滞后、故障频发率上升、备品备件停产等多重隐患,已难以匹配新时代城市轨道交通“高安全、高可靠、低能耗、智能化”的运营标准,设备更新改造迫在眉睫。

近日,公司首条全线供电系统设备更新改造工程—南京地铁1号线供电设备更新改造项目,顺利完成张府园站400V设备更新改造。统筹实施的南京分公司管理团队锚定“安全零事故、运营零干扰、品质创标杆、效益双提升”目标,以精细化管控筑牢安全防线,以专业化施工锻造精品工程,以智能化升级赋能长效发展,成功消除老旧设备安全隐患,为这条串联城市核心的交通大动脉注入全新动力。

严守安全底线,筑牢建设运营防线

安全是轨道交通改造工程的生命线。分公司严格践行“安全第一、预防为主、综合治理”方针,对标《城市轨道交通设施设备运行维护管理办法》《地下铁道工程施工及验收规范》等行业标准,针对带电作业、倒闸操作、停电过渡等高风险环节,构建“事前精准防控、事中全程管控、事后闭环复盘”的全周期安全管控体系,确保施工与运营无缝衔接、全程可控。

施工筹备阶段,管理团队健全“日清日结”动态管控机制与全过程可视化监管平台,实施作业人员分级分层安全培训及专项技术交底双轨制,重点强化带电作业、验电接地、倒闸操作、应急处置等关键技能实操考核,确保全员吃透风险点、明确岗位职责、规范操作流程;同步完成万用表、验电器、接地线等工器具全量校验、台账备案,杜绝不合格机具入场;结合线路长、站点多、天窗时间短、客流密度大等运营特点,管理团队制定错峰分批、分段作业、限时完成施工计划,严控单次作业范围,布设硬质隔离围栏、安全警示标识,落实专人监护值守,从源头阻断安全风险传导路径。

施工实施阶段,现场严格执行“双人监护、全程旁站”制度,刚性落实停电、验电、接地、挂牌标准化作业流程,作业前必须完成设备断电复核、接地保护确认,严防触电事故;创新采用“2+1”高效施工模式,最大化压缩作业时长,最大限度降低对日均数万客流的运营影响。现场实行实时巡查+动态纠偏机制,聚焦设备接线规范、线缆绝缘性能、保护装置定值匹配度等关键环节,及时排查整改隐患;编制专项应急预案,明确突发故障处置流程与责任分工,配齐应急物资储备,实现突发事件快速响应、科学处置、闭环管控,圆满达成“边运营、边改造、零干扰”施工目标。

注重精益求精,打造品质建造标杆

建造品质是企业的核心竞争力。项目秉持“以客户对工程外观、功能性、检修率等可量化指标的评价及产品使用效果”作为衡量建造品质的理念,从材料选型、工艺管控到验收检测,全流程严控质量,打造优质、耐用、高效的新一代400V低压配电系统。

材料设备选型坚持“国标达标、行标适配、节能智能、可靠耐用”原则,甄选符合南京地铁设计标准与国家规范的施耐德智能框架断路器、ATMT智能配电管理系统等核心设备及低能耗、长寿命、智能化产品。设备进场前实施“外观核查、参数校验、性能测试”三重验收,确保型号规格匹配、性能指标达标;针对老旧线路高损耗痛点,全线更换低损耗铜芯电缆,大幅降低线路电能损耗;设备接线端子采用抗氧化处理工艺,涂抹专用抗氧化剂,从源头规避接触不良、发热打火等隐患,为后续运维检修奠定坚实基础。

施工全过程严格遵循400V设备改造工艺规程,规范执行“旧设备拆除、新设备安装、线缆敷设、接线、调试、功能联动”全流程标准化作业。旧设备拆除阶段,断电后逐段标识、分段拆解,规范处置废旧物资,杜绝二次安全隐患;新设备安装阶段,精校安装基准,严控设备水平、垂直偏差,确保固定牢固、排布规整;接线施工阶段,做到线缆排布整齐、接线规范有序、标识清晰准确,提升设备运行稳定性与运维便捷性。

调试阶段聚焦核心功能,开展保护定值校验、启停性能测试、系统联动调试、绝缘耐压试验,确保设备动作精准、运行可靠、联动顺畅。在行业“三级验收”制度基础上,项目团队强化关键指标专项检测,重点核查设备性能、线路绝缘、接线规范性、保护装置灵敏度,确保完全匹配运营功能性需求。送电投运后,安排专业技术团队开展不少于3天24小时保驾值守,实时监测设备运行参数、电流电压稳定性、温升变化,动态排查潜在隐患,确保设备平稳过渡、可靠运行。

提质增效赋能,彰显长远效益价值

针对张府园站的400V供电系统升级改造,既是消除安全隐患、提升运营可靠性的安全工程,也是降本增效、赋能高质量发展的效益工程,更是改善出行体验、服务老百姓的民心工程,为南京地铁老旧线路改造提供可复制、可推广的实践样本。

安全与运维效益:消除隐患,降本减负。改造前,老旧设备故障频发,易出现开关跳闸、线路发热、保护失灵等问题,年均检修频次高、人力物力投入大,且部分元器件停产,维修难度大、成本居高不下。升级后,新一代智能框架断路器具备性能稳定、智能监测、低能耗、长寿命、易维护等优势,大幅降低故障发生率,减少检修频次与运维成本,从根本上解决备品备件短缺难题,显著提升设备全生命周期经济性。

运营与社会效益:稳定供电,优化体验。改造后400V系统供电稳定性与可靠性显著提升,有效规避因设备故障导致的车站照明中断、电扶梯停运、通风系统异常等运营中断事件,乘客出行体验持续优化,间接缓解城市交通拥堵,降低社会出行综合成本。项目实施过程中,联动设备制造、施工建设、技术服务等上下游产业链,带动本地产业协同发展,创造就业岗位,助力地方经济增长。

示范与推广价值:总结经验,赋能全局。本次改造积累了老旧线路低压配电系统升级、边运营边施工、安全质量精细化管控、智能设备应用调试等全流程宝贵经验,形成标准化工艺体系与管控要点,为南京地铁1号线其余站点、其他线路老旧供电设备更新改造提供成熟参考,为公司深耕轨道交通运维改造业务、做强做优做大核心板块注入强劲动能。

下一步,南京分公司将全面总结张府园站改造经验,提炼工艺标准、管控要点与创新做法,稳步推进南京地铁1号线剩余站点及其他系统设备更新改造工作,以匠心守初心、以实干担使命,为企业高质量可持续发展贡献更大力量。

编  辑:李永强、张瑜扬

审  校:高   飞

审  核:张猛祥、赵   睿

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  1. CONNECT:[ UseTime:0.000973s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001408s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.003182s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001748s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001309s ]
  6. SELECT * FROM `set` [ RunTime:0.010373s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000644s ]
  8. SELECT * FROM `article` WHERE `id` = 562878 LIMIT 1 [ RunTime:0.003188s ]
  9. UPDATE `article` SET `lasttime` = 1780515100 WHERE `id` = 562878 [ RunTime:0.009281s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.005212s ]
  11. SELECT * FROM `article` WHERE `id` < 562878 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.007690s ]
  12. SELECT * FROM `article` WHERE `id` > 562878 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001145s ]
  13. SELECT * FROM `article` WHERE `id` < 562878 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.018674s ]
  14. SELECT * FROM `article` WHERE `id` < 562878 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.048374s ]
  15. SELECT * FROM `article` WHERE `id` < 562878 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.049367s ]
0.309743s