DCS為分散控制系統(tǒng)的英文縮寫(xiě)，上世紀(jì)八十年代中后期，我國(guó)開(kāi)始在成套引進(jìn)的發(fā)電機(jī)組卜應(yīng)用DCS，至目前，無(wú)論是大機(jī)組還是供熱的小機(jī)組，DCS的應(yīng)用已越來(lái)越廣泛，HDS02.2-W040N-HS32-01-FW為電力生產(chǎn)的安全、經(jīng)濟(jì)運(yùn)行做出了巨大貢獻(xiàn)。
1、DCS控制系統(tǒng)可靠性
HDS02.2-W040N-HS32-01-FW對(duì)于各個(gè)電廠來(lái)說(shuō)，控制系統(tǒng)的可靠性對(duì)整個(gè)電廠的安全可靠性是生死攸關(guān)的，如何盡可能的提高DCS的可靠性，從而保證電力生產(chǎn)的安全和經(jīng)濟(jì)已成為一項(xiàng)越來(lái)越重要的工作。本文作者根據(jù)自己在電廠從事熱控檢修工作的經(jīng)驗(yàn)，從DCS控制系統(tǒng)角度，從控制系統(tǒng)選型、設(shè)備安裝、程序設(shè)計(jì)和調(diào)試驗(yàn)收以及技術(shù)培訓(xùn)等方面，就如何提高整個(gè)DCS的可靠性進(jìn)行了闡述。
2、DCS控制系統(tǒng)選型
HDS02.2-W040N-HS32-01-FW不論在新建機(jī)組還是老機(jī)組進(jìn)行的控制系統(tǒng)改造，均面臨著盡可能質(zhì)優(yōu)價(jià)廉地選擇理想的控制系統(tǒng)的問(wèn)題。在此，我們姑且撇開(kāi)控制系統(tǒng)的價(jià)格，僅從提高可靠性要的角度來(lái)考慮，在DCS選型過(guò)程中需要注意以下各方面的問(wèn)題：
(1)在選擇DCS控制系統(tǒng)時(shí)要優(yōu)先考慮有在類似機(jī)組上良好運(yùn)行業(yè)績(jī)的控制系統(tǒng)，這樣的控制系統(tǒng)通過(guò)了工廠試驗(yàn)和實(shí)際投運(yùn)，其可靠性得到了時(shí)間的檢驗(yàn)。
(2)控制系統(tǒng)的硬件一定要具有高可靠性，在電子元器件上的生產(chǎn)工藝各環(huán)節(jié)上采用了成熟技術(shù)，電子模件最好能熱拔插。控制器的運(yùn)算和存儲(chǔ)能力要足夠，IO卡件具有很強(qiáng)的抗干擾能力。
(3)HDS02.2-W040N-HS32-01-FW控制系統(tǒng)從結(jié)構(gòu)上要充分地采用冗余技術(shù)。對(duì)于控制系統(tǒng)的控制器、網(wǎng)絡(luò)通訊等必須冗余，且各冗余設(shè)備之間必須能實(shí)現(xiàn)無(wú)擾切換。采用冗余結(jié)構(gòu)不僅能避免控制系統(tǒng)的局部故障擴(kuò)大事故，保證機(jī)組安全穩(wěn)定運(yùn)行，同時(shí)也保證設(shè)備故障的在線排除，從而消除事故隱患。、
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HDS02.2-W040N-HS32-01-FW
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HDS03.2-W100N-HS12-01-FW
HDS03.2-W100N-HT25-01-F
HDS03.2-W100N-HS12-01-FW
HDS03.2-W100N-HS12-01-F
HDS03.2-W075N-HS12-01-FW
HDS03.2-W100N-HS32-01-FW
HDS03.2-W100N-HS45
HDS03.2-W075N-HS32-01-FW
HDS04.1-W200N-HS12-01-FW
HDS04.1-W200N-HS12-0
HDS04.2-W200N
HDS04.2-W200N-HA
HDS04.2-W200N-HS12-0-1-FW
HDS04.2-W200N-HS12-01-FW
HDS04.2-W200N-HS45-01-FW
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