超調(diào)量大,調(diào)節(jié)時(shí)間過(guò)長(zhǎng),高低壓油動(dòng)機(jī)不同步等,且調(diào)節(jié)參數(shù)制造廠內(nèi)一經(jīng)整定后,現(xiàn)場(chǎng)很難改變,這在抽汽汽輪機(jī)中尤為突出,用戶運(yùn)行使用難度大;全液壓調(diào)節(jié)機(jī)組由于只能實(shí)現(xiàn)比例調(diào)節(jié),同時(shí)同步器調(diào)節(jié)范圍有限(一般96%-106%),在高壓機(jī)組(50MW以內(nèi)9MPa進(jìn)汽參數(shù))常出現(xiàn)滑參數(shù)啟動(dòng)整定的調(diào)節(jié)參數(shù)不能滿足額定初終參數(shù)下運(yùn)行需要,例如表現(xiàn)為加不滿負(fù)荷或減不完負(fù)荷。
51304453-150 MC-TAIH02 xp 與傳統(tǒng)的液壓控制系統(tǒng)相比,數(shù)字電液控制系統(tǒng)由于使用數(shù)字計(jì)算機(jī)技術(shù)為基礎(chǔ)作為調(diào)節(jié)器來(lái)實(shí)現(xiàn)回路變量調(diào)節(jié)和系統(tǒng)靜態(tài)自整等,控制規(guī)律及參數(shù)(如解藕系數(shù)等)用軟件實(shí)現(xiàn),精確度高,能夠?qū)崿F(xiàn)完全靜態(tài)自整,采用比例積分及微分(PID)調(diào)節(jié)器,使系統(tǒng)靜態(tài)和動(dòng)態(tài)性能都得到很大的改善,使得系統(tǒng)的過(guò)調(diào)量下降,穩(wěn)定性增強(qiáng),過(guò)程時(shí)間縮短。
51304453-150 MC-TAIH02 xp DEH-NTK汽輪機(jī)控制系統(tǒng),由計(jì)算機(jī)控制部分和EH液壓執(zhí)行機(jī)構(gòu)組成。DEH-NTK控制系統(tǒng)包括數(shù)據(jù)采集(DAS)、數(shù)字電液調(diào)節(jié)系統(tǒng)(DEH)、汽機(jī)跳閘保護(hù)系統(tǒng)(ETS)和汽輪機(jī)安全檢測(cè)系統(tǒng)(TSI),采用以CRT為中心的操作和控制方式。
DEH-NTK控制系統(tǒng)設(shè)置有完善的系統(tǒng)引導(dǎo),操作員站上電后,系統(tǒng)
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51304453-150 MC-TAIH02 HLAI/STI FTA CC comp
51304718-125 MU-GAIH13 HLAI FTA GI/IS CE red cmp
51304718-175 MC-GAIH13 HLAI FTA GI red cmp CE CC
51304718-325 MU-GAIH83 HLAI FTA GI/IS CE rd crmp
51304718-375 MC-GAIH83 HLAI FTA GI/IS CE rd crmp
51304730-125 MU-GAIH14 GI/IS FTA Aux & Hi V Out
51304730-175 MC-GAIH14 GI FTA Aux & Hi V Out CC
51304730-325 MU-GAIH84 GI FTA Aux & Hi V Out crm
51304730-375 MC-GAIH84 GI FTA Aux & Hi V CC crmp
51309140-125 MU-TSTX03 STI FTA CE comp non-red
51309140-175 MC-TSTX03 STI FTA CE CC 16-in
51309142-125 MU-TSTX13 STI FTA CE comp redundant
51309142-175 MC-TSTX13 STI FTA comp CE CC 12-in
51201420-001 MU-KFTA01 FTA cable 1 meter
51201420-002 MU-KFTA02 FTA cable 2 meters
51201420-003 MU-KFTA03 FTA cable 3 meters
51201420-004 MU-KFTA04 FTA cable 4 meters
51201420-005 MU-KFTA05 FTA cable 5 meters
51201420-006 MU-KFTA06 FTA cable 6 meters
51201420-008 MU-KFTA08 FTA cable 8 meters
51201420-010 MU-KFTA10 FTA cable 10 meters
51201420-015 MU-KFTA15 FTA cable 15 meters
51201420-020 MU-KFTA20 FTA cable 20 meters
51201420-025 MU-KFTA25 FTA cable 25 meters
51201420-030 MU-KFTA30 FTA cable 30 meters
STROMBERG / ABB VD86-SCAN 57088478 VIDEO CONTROL BOARD
NIB FANUC A16B-2200-0431/?01A WITH AB 1771-RIO INTERFACE
RELIANCE ELECTRIC O-63000-201 REGULATOR BOARD 1397-O-63
DANLY A08072003 D03464F001 2P OIL PRESSURE SAFETY SWITC
SIEMENS 6ES5-234-1AD11 MEMORY MODULE 6ES52341AD11
ABB 086349-002 PC BOARD PWA MPRC MEASUREMENT PROCESSOR
SIEMENS 3TB5617-OA CONTACTOR 400AMP 3TB5617OA
HEINEN ELECTRONIK ADW3210/0 K1456AE PCB CONTROL BOARD 0
GENERAL ELECTRIC 531X111PSHAPG2 POWER SUPPLY BOARD REPA
REXROTH INDRAMAT 291077 BLOWER FAN LECH-040N NIB