1746-R11產(chǎn)品介紹:
1746-R11
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PLC軟件設(shè)計 控制程序采用模塊化、結(jié)構(gòu)化設(shè)計,層次分明,結(jié)構(gòu)清楚。程序流程圖如圖2。檢測模塊隨時采集用電系統(tǒng)的相角信息,然后和給定參數(shù)進行比較,如果不滿足要求,及時投入或切除補償電容器,保證用電系統(tǒng)的功率因數(shù)滿足設(shè)定要求。
4 PLC無功自動補償控制系統(tǒng)的優(yōu)點 4.1可靠性高。 采用分立元件組裝的控制系統(tǒng),每個部分都由幾十個元件成,整個控制器有數(shù)百個元器件,任何一個元器件出現(xiàn)問題都會造成整個控制器故障而不能正常工作。而采用PLC進行控制,使線路大大簡化,從根本上減少了故障的機遇。另外還采用了模塊式結(jié)構(gòu),使得該系統(tǒng)的可靠性大大提高。 4.2抗干擾能力強 由分立元件組成的控制系統(tǒng),其中采用了大量的二極管、三極管、電容等元件,對電路的工作環(huán)境和溫度有一定的要求而PLC是專為工業(yè)控制設(shè)計的,在設(shè)計和制造過程中采取了多種抗干擾措施,可在惡劣的工業(yè)環(huán)境下與強電設(shè)備一起工作,抗干擾能力強,運行穩(wěn)定性高。 4.3便于安裝,維護方便 與分立元件控制系統(tǒng)比較,PLC控制系統(tǒng)體積小、重量輕,便于安裝。該系統(tǒng)具有自檢和監(jiān)護功能,而且能動態(tài)地監(jiān)視控制程序的執(zhí)行情況,為現(xiàn)場的調(diào)試和維護提供了方便,由于接線少,所以維護方便,修復(fù)時間短。
實際運行結(jié)果證明,以上控制系統(tǒng)完全滿足技術(shù)指標(biāo)要求。采用PLC進行無功自動補償控制,整個系統(tǒng)結(jié)構(gòu)簡單,運行穩(wěn)定,可靠性高。無論從經(jīng)濟的角度考慮,還是從技術(shù)方面分析,都不失為最佳的選擇。 本文作者創(chuàng)新點:采用PLC進行無功自動補償,提高了無功補償系統(tǒng)的可靠性和系統(tǒng)的無功優(yōu)化,組態(tài)靈活,易于擴展;對無功補償系統(tǒng)老設(shè)備的改造有著較高的參考價值和非常廣闊的前景。
Siemens DC Contactor 14-193-100-562 Coil 74 VDC 1000V 1250 Amp 14-192-570-502
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Westinghouse NC31200WK 1200 Amp Switch Breaker 600V NC31200 Cutler-Hammer 1200A
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Allen Bradley 2711-B5A16 PanelView 550 AB 2711B5A16 Panel View Series H FRN 4.46
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Siemens Marq 21 100 Amp 12" MCC Dual Breaker Feeder Bucket MCCB 100A Furnas ITE
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Westinghouse MDS3800F 800 Amp Circuit Breaker w 400A MC800 Cutler-Hammer MDL3800
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Square D QMB3606T 60A Saflex Switch 600 V 3 pole Saflex QMB-3606-T QMB3606-T
Square D Saflex SD78426 200 Amp 600V Bus Plug Breaker Busway Plug-In Unit 3P 4W
Westinghouse FDB3070L 70 Amp Circuit Breaker Matte FDB3070 Cutler-Hammer 70A
1947 SqFt Mueller Plate Frame Heat Exchanger AT80 P-B20 100 PSI 316 Stainless SS
UniOP eTOP06C-0050 Touchscreen Display eTOP06C0050 Interface 24V DC EXOR 0.60 A
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Exide A53A2 Digital PLC 118 302 416 C Module Board 101072431 D EK184343
Bently Nevada 7200 Valve Positioner Indicator 7200-VP-R 72938-01-04-01-01-15 PLC
Square D PAF361600DCA680 1600 Amp DC Circuit Breaker PAL S4 PAF PAF361600 1600A
Telemecanique Size 2 Breaker MCC Bucket 20 Amp 5600 Gould 5640 MCCB A213D Sz2
ITE Siemens SMD69800ANGT 800 Amp Sentron Breaker 800A I-T-E Type SMD6 SMD69800
Bently Nevada 7200 Dual Valve Positioner Indicator 7200-VPR 72937-01-02-01-01-15
Exide A13A2 DCVI Control PLC 118 302 383 C Module Board 101072371 C 110071307 C
Bently Nevada Dual Valve Position Indicator 3300/70-XX-00 PLC PWA83980-01 78412
Bently Nevada Dual Valve Position Indicator 3300/70-01-00 PLC PWA83980-01 84136
Bently Nevada 7200 Dual Case Exp Ind DCE-R 72937-XX-XX-01-XX-XX PLC Indicator
Takenaka Barrier Relay System Type 3810-FM 2310 3810FM
Mitsubishi/Freqrol FR-A520-1.5K AC Inverter Drive A500
Siemens Sentron SHMD69800AH SHMD 800 Amp Sensitrip III LI SHMD69800 AH 3 3 PH
Wireless Technology Inc Remote Quad System Processor Model 8-256
Reliance Electric 45C400-A 45C400A 45C-400A AutoMate 40 Logic PLC 802820-106RC
Telemecanique Series 5600 Breaker Feeder MCC Bucket 15A
Bently Nevada 7200 EIPP 72975-03-03-01-01-01-01 PLC Eccentricity Monitor Module
Pepperl+Fuchs KHD2-SR-Ex2.P Switch Isolator KHD2SREx2.P
Allen Bradley 1321-3R35-B AC Line Reactor 13213R35B 3 PH 600V 0.8 mH 35A 162754
Allen Bradley 1321-3R55-B AC Line Reactor 13213R55B 3 PH 600V 0.5 mH 55A 162753