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制漿造紙行業(yè)工藝規(guī)程復(fù)雜、多樣,對系統(tǒng)和設(shè)備都有著較高的要求,尤其對系統(tǒng)來說,其可靠的穩(wěn)定性和較高的靈活性是保證生產(chǎn)工藝順利進行的前提，在森博一期30萬噸項目中，我們采用了HONEYWELL TPS開放型分布過程控制系統(tǒng)，其完善的診斷，組態(tài)工具，模塊化的軟硬件結(jié)構(gòu)，完全滿足了系統(tǒng)的連續(xù)性和穩(wěn)定性要求。在二期擴建的100萬噸漿項目中，我們再次采用HONEYWELL 新一代控制系統(tǒng)PKS ，到目前為止，我公司的木片輸送，給水及污水處理已進行了應(yīng)用和實踐，下面將逐一介紹新一代控制系統(tǒng)的結(jié)構(gòu)、布局和控制方案。

 1．  EPKS硬件組成及結(jié)構(gòu)

        EXPERION PKS 過程控制系統(tǒng)是HONEYWELL新一代過程自動化系統(tǒng)，它的功能高于一般的集成控制系統(tǒng)，其中嵌入式?jīng)Q策支持和診斷技術(shù)，為決策者提供了所需信息，其安全組件使安全環(huán)境獨立于主控系統(tǒng)，也提高了系統(tǒng)整體的安全穩(wěn)定性。

船舶岸電供電也成為大鏟灣踐行環(huán)保承諾的舉措?！暗亲鳛橐婚T新的工藝技術(shù)，國內(nèi)岸電技術(shù)的應(yīng)用案例并不多，技術(shù)解決方案本身沒有太多經(jīng)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(zhàn)，“我們要尋找高品質(zhì)、高性價比，能滿足自身港口特定需求的岸電解決方案?！?br />
作為岸電解決方案的核心技術(shù)，西門子的岸電變頻電源設(shè)備使陳軍的愿望變成了現(xiàn)實。

西門子專注于船舶電氣和自動化技術(shù)已有百年歷史，相比其他競爭對手，西門子大型傳動部開發(fā)的專用于船舶岸電供電系統(tǒng)的岸電專用變頻電源在并船切換、邏輯控制等關(guān)鍵領(lǐng)域表現(xiàn)突出，而且具備工業(yè)級的產(chǎn)品品質(zhì)，完全能夠滿足大鏟灣岸電工程的訴求。

作為此次主體岸電系統(tǒng)設(shè)備供貨方，西門子充分考慮大鏟灣碼頭?？看暗拇图霸O(shè)計靠泊噸位，確定大鏟灣碼頭岸電的供電容量為5MVA，并為用戶提供2套 2.5MVA 的集裝箱式岸電系統(tǒng)設(shè)備，整體覆蓋 4 個泊位，既可實現(xiàn)單獨使用，亦可并聯(lián)實現(xiàn)高 5MVA 的大容量、穩(wěn)定電源給進港船只。而且，兩個相同2.5MVA容量的岸電系統(tǒng)所需備品備件相同，更加節(jié)省成本。

西門子岸電變頻電源設(shè)備的優(yōu)異性還體現(xiàn)在系統(tǒng)設(shè)計上。對大鏟灣碼頭而言，港區(qū)主要?？看肮╇婎l率為60Hz，主要靠泊船舶的供電電壓為6.6kV。西門子采用了“高-低-高”系統(tǒng)解決方案，即10kV-50Hz輸入，經(jīng)過降壓變壓器、低壓變頻電源及升壓變壓器，，變?yōu)?.6kV-60Hz輸出，通過變頻電源將岸上50Hz頻率轉(zhuǎn)化為60Hz輸出給船側(cè)，實現(xiàn)船電向岸電的在線平穩(wěn)切換。

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 Honeywell  XFL522B.
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