力控電力DCS專用版在發(fā)電廠DCS控制系統(tǒng)中的應(yīng)用
力控電力DCS專用版構(gòu)成的電廠DCS系統(tǒng)可以完成150-300MW規(guī)模電廠系統(tǒng)的控制,系統(tǒng)可以包括鍋爐、汽輪發(fā)電機(jī)組、除氧給水、減溫減壓等系統(tǒng),可以完成數(shù)據(jù)采集(DAS)、模擬量控制(MCS)、順序控制(SCS)、爐膛安全監(jiān)控系統(tǒng)(FSS)、鍋爐緊急停爐(MFT)等功能,可以滿足各種運(yùn)行工況的要求,確保機(jī)組安全、高效運(yùn)行。
力控操作員站和DPU都將是冗余數(shù)據(jù)高速公路的一個(gè)站,且每一個(gè)操作員站將有獨(dú)立的冗余通訊處理模件,分別與冗余的通訊總線相連,雖然操作員站的使用各有分工,但任何顯示和控制功能均能在任一操作員站上完成,連接到數(shù)據(jù)通訊系統(tǒng)上的任一系統(tǒng)或設(shè)備發(fā)生故障,不會(huì)導(dǎo)致通訊系統(tǒng)癱瘓或影響其他聯(lián)網(wǎng)系統(tǒng)和設(shè)備的工作,通訊總線的故障不會(huì)引起機(jī)組跳閘或使DPU不能工作。
力控軟件在該DCS系統(tǒng)中可以充當(dāng)工程師站、操作員站、歷史服務(wù)器站、報(bào)警服務(wù)器、事件服務(wù)器等,分布式的結(jié)構(gòu)有效的保證了系統(tǒng)的穩(wěn)定運(yùn)行。
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