1746-OV8產(chǎn)品描述:
1746-OV8
☆ 咨詢聯(lián)系人: 嚴(yán)小姐
◆ 銷售熱線:0592-5709823
& 手機:18030229052
◆ QQ: 1093230189
☆ 傳真:0592-5709828
變頻調(diào)速技術(shù)在電力拖動系統(tǒng)中的應(yīng)用日益廣泛,它具有高效率、寬范圍和高精度的調(diào)速性能。采用PLC、變頻器和交流異步電動機組成的11水站氧供水泵控制系統(tǒng)具有低成本、高效益的優(yōu)勢。煉鋼廠生產(chǎn)規(guī)模大,各種水泵比較多,其中幾臺氧供水泵尤其重要,并且使用生產(chǎn)水較多,能源消耗也較大,因此保證氧的正常運行和節(jié)約能源就顯得格外重要,通過對AB公司1336 PLUS Ⅱ變頻器的介紹,我們可以了解11水站氧供水泵的工作原理,以及它在生產(chǎn)中的應(yīng)用。
氧冷卻水控制系統(tǒng)組成 11水站氧冷卻水控制系統(tǒng)包括以下部分: 2.1 執(zhí)行部分:每套供水系統(tǒng)包括一臺變頻器、一臺交流電動機、一臺水泵、其它儀表檢測部分。 變頻器采用的是ROCKWELL公司的1336 PLUS Ⅱ變頻器。 變頻器型號為:1336F-BPR350-AN-EN-L4-LA2 250KW。 其型號為:YTSP355M-4 250KW 4700r/min 臥式 380V 50HZ 2.2 過程檢測部分:每個獨立氧冷卻水控制系統(tǒng)模擬過程量(流量、壓力、溫度)各3個量檢測,各電機還有檢測一次儀表、二次儀表等。 2.3 氧下開關(guān)量檢測單元:每個獨立氧冷卻水控制系統(tǒng)有一路開關(guān)量,當(dāng)氧下并運行到等候點的時候,控制氧的PLC將發(fā)出下信號,此信號通過網(wǎng)絡(luò)給水處理PLC一個下的開關(guān)量信號,此信號再發(fā)給變頻器,那么變頻器收到此信號后將以高速運行,直到下信號消失。
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