IC697BEM761焊縫整齊
船舶岸電供電也成為大鏟灣踐行環保承諾的舉措。“但是作為一門新的工藝技術，國內岸電技術的應用案例並不多，技術解決方案本身沒有太多經驗可以參考。”陳軍一語道出大鏟灣上馬岸電項目之初大的挑戰，“我們要尋找品質、性價比，能滿足自身港口特定需求的岸電解決方案。”
作為岸電解決方案的核心技術，西門子的岸電變頻電源設備使陳軍的願望變成了現實。
西門子專注於船舶電氣和自動化技術已有歷史，相比其他競爭對手，西門子大型傳動部開發的於船舶岸電供電係統的岸電變頻電源在並船切換、邏輯控制等關鍵領域表現突出，而且具備工業級的產品品質，能夠滿足大鏟灣岸電工程的訴求。
作為此次主體岸電係統設備供貨方，西門子充分考慮大鏟灣碼頭停靠船舶的船型及設計靠泊噸位，確定大鏟灣碼頭岸電的供電容量為5MVA，並為用戶提供2套 2.5MVA 的集裝箱式岸電係統設備，整體覆蓋 4 個泊位，既可實現單獨使用，亦可並聯實現 5MVA 的大容量、穩定電源給進港船只。而且，兩個相同2.5MVA容量的岸電係統所需備品備件相同，更加節省成本。
西門子岸電變頻電源設備的優還體現在係統設計上。對大鏟灣碼頭而言，港區主要停靠船舶供電頻率為60Hz，主要靠泊船舶的供電電壓為6.6kV。西門子採用了“-低-”係統解決方案，即10kV-50Hz輸入，經過降壓變壓器、低壓變頻電源及升壓變壓器，，變為6.6kV-60Hz輸出，通過變頻電源將岸上50Hz頻率轉化為60Hz輸出給船側，實現船電向岸電的在線平穩切換。
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