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    中文  |   English

    城市配網

      建設堅強的智能電網,進一步實現電網的信息化、自動化、互動化。配電網作為輸配電系統的最后一個環節,其實現自動化的程度與供用電的質量和可靠性密切相關,是堅強智能電網的重要基礎組成部分。

      目前配電網發展水平還不能匹配智能網建設要求,智能化程度較低是其中存在的一個比較明顯的問題。

     

    存在問題:

      1. 電壓合格率低:嚴重時影響到用電設備的正常使用;

      2. 供電可靠性低:故障頻繁,停電后多依賴人工排查故障、人工現場送電,造成停電時間長,停電面積大;

      3. 自動化程度低:供電緊張時負荷控制和電能分配手段落后,不能實遠程控制負荷分配和轉移。

     

    我們的價值:

      合縱科技積極參與兩網改造和國家電網配電自動化示范工程,不斷擴大智能配電領域,提供智能一次配電設備、配電自動化等關鍵產品和解決方案,涵蓋研發、設計、生產、銷售與服務的整個價值鏈,將高質量的產品和解決方案融合在一個統一的架構下,提高配電網實時監控、分析、優化能力以及管理水平,為電網客戶節省投資成本和運營成本,助推電網發展向智能的方向轉變。

        智能電網的建設過程,實際上是一個智能化的轉變過程,這給整個配電行業帶來徹底的變革,最直接的改變體現在一二次設備的融合趨勢上。合縱作為以一次設備為主的優勢廠家,通過與行業二次廠家積極接觸溝通,外引內聯,順應發展趨勢做出了快速及時的響應。借助于一二次設備融合,合縱將為用戶提供整體解決方案,服務于配電網智能建設。

    配電網自動化解決方案:

      1. 就地控制方案:基于電壓-時間型原理的“重合器+自動配電開關”方式和基于電流-時間型原理的“重合器+分段器”方式。

       故障判斷與隔離不依賴于通訊系統和主站,完全依靠智能開關自身的自動化功能和開關之間的動作配合實現,可靠性高;

       對變電站出線斷路器的重合閘次數有特殊要求,必須設定為二次重合閘;

       本方案可用于環網型架空配電線路、電纜線路,對應的產品有柱上開關,戶外環網柜、戶內高干開關柜、電壓型開關控制器,重合閘控制器,分界控制器、微機保護等。

      2. 分布式智能方案:基于無線通信通道的無主站型饋線自動化。

       故障隔離速度快,可靠性高;開關動作次數少,僅需單個開關一次重合閘(確認是否為永久性故障),有效延長開關壽命;

       本方案無需主站系統、無線信道饋線自動化系統,克服了對有線通道依賴性的缺陷;利用手機短信功能,及時通知調度員事故信息。

       本方式多用于架空配電線路,產品造價適中,施工應用便捷,對應設備有柱上負荷開關、柱上斷路器,智能型分界控制器等。

      3.主站集中控制方案:一種較先進的配電網自動化技術,主要用于市中心繁華地區或新型開發區等配電負荷密集區的饋線自動化。

       采用先進的計算機技術和通信技術,避免饋線出線開關多次重合,對開關和系統的沖擊較少,定位快速準確,對非故障區域用戶的影響小,顯著提高供電質量;

       正常運行情況下可以實現SCADA功能,實時監控饋線運行工況,實現“三遙”功能(遙信、遙測、遙控),實現變電站等設施進行無人值守或無人化管理;

       本方案可用于環網型、輻射型、雙電源等多種型式的配電網絡,設備包含柱上開關,環網柜、高壓開關柜、FTU、DTU系列智能配電終端,微機保護裝置等。

     

    典型案列:

      山東智能電網改造

      江蘇南京智能電網改造

      山西太原線路改造

      廣東電網改造

      江蘇揚州配電自動化示范工程

      河南城配網改造

      南方電網10KV整理工程

      ...

    微彩宝
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