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火力發(fā)電廠自動化
火力發(fā)電廠的自動化項目包括:
1、廠內(nèi)機、爐、電運行設備的安全檢測,包括數(shù)據(jù)采集、狀態(tài)監(jiān)視、屏幕顯示、越限報警、故障檢出等。
2、計算機實時控制,實現(xiàn)由點火至并網(wǎng)的全部自動起動過程。
3、有功負荷的經(jīng)濟分配和自動增減。
4、母線電壓控制和無功功率的自動增減。
5、穩(wěn)定監(jiān)視和控制。采用的控制方式有兩種形式:一種是計算機輸出通過外圍設備去調(diào)整常規(guī)模擬式調(diào)節(jié)器的設定值而實現(xiàn)監(jiān)督控制;另一種是用計算機輸出外圍設備直接控制生產(chǎn)過程而實現(xiàn)直接數(shù)字控制。
STEC SEC-Z11DWM SiH4 100SCCM 0190-16908 MFC Mass Flow C...
STEC SEC-Z12DWM NH3 10SLM 0190-22203 MFC Mass Flow Cont...
STEC SEC-Z12DWM N2O 10SLM 0190-22202 MFC Mass Flow Cont...
STEC SEC-Z12DWM N2 15SLM 0190-16905 MFC Mass Flow Contr...
STEC SEC-Z12DWM H2 20SLM 0190-16751 MFC Mass Flow Contr...
STEC SEC-Z12DWM N2 30SLM 0190-17644 MFC Mass Flow Contr...
STEC SEC-Z12DWM O3 30SLM MFC Mass Flow Controller refur...
STEC SEC-Z12DWM Ar 20SLM 0190-16804 MFC Mass Flow Contr...
Millipore FZEGD100G200 CO 1000SCCM Surface Mount Device...
Horiba STEC SEC-Z12DM Mass Flow Controller AMAT 0190-16...
Horiba STEC SEC-Z12DM Mass Flow Controller AMAT 0190-23...
STEC SEC-Z12DMN Ar 40SLM 0190-26984 MFC Mass Flow Contr...
Horiba STEC SEC-Z12DM Mass Flow Controller AMAT 0190-16...
Celerity IFC-125C Mass Flow Controller Unit 125 Lot of ...
STEC SEC-F730M-A1 SF6 200sccm Mass Flow Controller 3030...
STEC SEC-F730M-A1 CI2 200SCCM 3030-00372 MFC Mass Flow ...
STEC SEC-Z12DMN N2 50SLM Mass Flow Controller 0190-2566...
STEC SEC-Z12DMN Mass Flow Controller 0190-25659 refurbi...