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項目實施效果上海吳涇第二發(fā)電廠輔助DCS系統(tǒng)經(jīng)過單機(jī)四畫面顯示技術(shù)改造，原有的三臺上位機(jī)可以顯示12幅系統(tǒng)畫面，完全滿足同時監(jiān)控11個系統(tǒng)的需要。目前系統(tǒng)已投入正常生產(chǎn)，運行穩(wěn)定可靠。綜合效益分析單機(jī)四畫面顯示技術(shù)使得在上位機(jī)數(shù)量不變的情況下，可同時監(jiān)控的系統(tǒng)畫面是原來的四倍，并且具有較強(qiáng)的擴(kuò)展性，支持輔助系統(tǒng)對更多的子系統(tǒng)進(jìn)行集中監(jiān)控。
　　從工程實施的角度分析，新建電廠不必多說，對于運行電廠改造而言，凡牽涉到硬件變動的工程大多必須到機(jī)組停運才能實施，利用大小修間歇完成，受到時間條件的制約，一旦涉及集控室的施工如操作臺改造、敷設(shè)電纜、設(shè)備安裝位置變更等，那將更加麻煩。而單機(jī)四畫面顯示技術(shù)是純粹通過軟件開發(fā)實現(xiàn)的，只要原有上位機(jī)數(shù)量大于一臺，就可以先對其中一臺進(jìn)行改造，其余上位機(jī)仍可保持在役運行。完成改造和調(diào)試工作后，將程序復(fù)制到其余上位機(jī)即可。
　　整個工程實施可以在任何時間進(jìn)行，對系統(tǒng)的正常運行不會產(chǎn)生任何影響，同時節(jié)約了大量的硬件支出費用，經(jīng)濟(jì)效益不言而喻。對于科技進(jìn)步意義而言，利用常規(guī)工控軟件開發(fā)應(yīng)用于電廠輔助系統(tǒng)集中監(jiān)控的單機(jī)四畫面顯示技術(shù)，通過有限數(shù)量的監(jiān)控上位機(jī)，實現(xiàn)多個系統(tǒng)的同時監(jiān)控，這在國內(nèi)電廠輔助系統(tǒng)的集中監(jiān)控中還是一個首創(chuàng)。
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