描述

MKD112C-024-KG3-BN

電氣系統(tǒng)納入DCS監(jiān)控的范圍

　　根據(jù)單元機(jī)組的運(yùn)行和電氣控制的特點(diǎn)，在工程的應(yīng)用中采用將發(fā)電機(jī)—變壓器組和廠用電源等電氣系統(tǒng)的控制都納入DCS監(jiān)控。
從升壓站(不包括升壓站)至電廠側(cè)的所有主廠房內(nèi)電氣系統(tǒng)均納入DCS監(jiān)控，主要系統(tǒng)歸納為：
發(fā)變組系統(tǒng)(不包括變壓器本身的通風(fēng)系統(tǒng))；
發(fā)電機(jī)勵(lì)磁系統(tǒng)；
高壓廠用電源系統(tǒng)(包括廠用電源正常切換)；
低壓廠用電源系統(tǒng)和400VPC；
高壓啟／備變電源系統(tǒng)(2臺(tái)機(jī)共用)；
柴油發(fā)電機(jī)組和保安電源(僅監(jiān)視)；
直流系統(tǒng)和UPS系統(tǒng)(僅監(jiān)視)；
自動(dòng)同期系統(tǒng)；
廠用電快切系統(tǒng)。
電氣主要保護(hù)安全自動(dòng)裝置因要求DCS實(shí)現(xiàn)其功能目前尚有一定的難度，并且要增加相當(dāng)大的費(fèi)用。原則上不要求通過DCS實(shí)現(xiàn)其功能，仍保留其裝置，但它們與DCS之間要有接口，常規(guī)方式采用硬接口。保留的保護(hù)自動(dòng)專用裝置主要有如下：
發(fā)變組保護(hù)裝置；
自動(dòng)準(zhǔn)同期裝置(ASS)；
自動(dòng)電壓調(diào)整裝置(AVR)；
廠用電快切裝置；
故障錄波裝置。
主廠房外輔助系統(tǒng)的電氣系統(tǒng)如輸煤、化水、制氫、電除塵等暫不納入DCS系統(tǒng)中。

產(chǎn)品承諾：
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨，
保?證售后服務(wù)質(zhì)量，
優(yōu)勢(shì)價(jià)格，大量現(xiàn)貨。

主營DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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