工業(ye)冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)(shui)機(ji)(ji)機(ji)(ji)組(zu)應(ying)用廣泛，在有工業(ye)的(de)(de)地方就要(yao)(yao)用到(dao)冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)(shui)機(ji)(ji)設備，如：化工冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)(shui)機(ji)(ji)、電鍍冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)(shui)機(ji)(ji)、食品冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)(shui)機(ji)(ji)、電子加工冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)(shui)機(ji)(ji)、模具冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)(shui)機(ji)(ji)、印刷(shua)冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)(shui)機(ji)(ji)等，而且大部分行業(ye)對于工業(ye)冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)(shui)機(ji)(ji)要(yao)(yao)求很(hen)高的(de)(de)，大部分客戶的(de)(de)要(yao)(yao)求都是(shi)24小時運(yun)轉(zhuan)，所以(yi)(yi)對冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)(shui)機(ji)(ji)的(de)(de)電源電壓要(yao)(yao)求也很(hen)高，如果冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)(shui)機(ji)(ji)的(de)(de)幾相電壓不平衡(heng)太于2%時，操作時有可能損壞冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)(shui)機(ji)(ji)，所以(yi)(yi)要(yao)(yao)控(kong)制好冷(leng)(leng)(leng)(leng)(leng)水(shui)(shui)(shui)(shui)機(ji)(ji)。
冷水機電源(yuan)電壓(ya)的檢測
如果冷水機(ji)標(biao)準電壓為3相，380V，50Hz，測得(de)UAB=376V，UAC=379V，UBC=385V。得(de)出平均(jun)電壓=(376+379+385)/3=380V：確(que)定(ding)與平均(jun)電壓的偏(pian)差(cha)值：△UAB=380-376=4V，△UAC=380-379=1V，△UBC=385-380=5V，最大偏(pian)差(cha)值為5V，5/380=1.3%，得(de)出最大相電壓不平衡為1.3%。
如果測得該電(dian)源和電(dian)壓(ya)在正常(chang)范圍內，這(zhe)樣(yang)就(jiu)可以正常(chang)開(kai)機(ji)。如果冷(leng)水機(ji)電(dian)源控制不好，那么(me)損(sun)壞的話(hua)就(jiu)會有很高的一個(ge)維修成本，按正常(chang)來講(jiang)的話(hua)電(dian)壓(ya)都(dou)會比較正常(chang)。
冷水機(ji)的(de)電源(yuan)電壓最大可允許的(de)相電壓不(bu)平(ping)衡為2%，相電流不(bu)平(ping)衡為10%。注(zhu)：當(dang)相電壓不(bu)平(ping)衡大于2%，絕對不(bu)能開機(ji)操作。
冷(leng)水(shui)(shui)機的工(gong)作電(dian)(dian)(dian)源(yuan)是3相，380V，50Hz。在運行冷(leng)水(shui)(shui)機前，需要檢查電(dian)(dian)(dian)控(kong)(kong)柜中(zhong)電(dian)(dian)(dian)源(yuan)部分和控(kong)(kong)制(zhi)(zhi)(zhi)部分有(you)無(wu)異常，并(bing)固緊(jin)接(jie)(jie)線端(duan)子，包括總電(dian)(dian)(dian)源(yuan)接(jie)(jie)線銅排，自動空氣斷路器(qi)(空氣開(kai)關)，Δ-Δ或Y-Δ壓縮機啟動電(dian)(dian)(dian)氣裝置，PLC觸(chu)摸(mo)屏，靶(ba)流開(kai)關，冷(leng)凍水(shui)(shui)泵，冷(leng)卻水(shui)(shui)泵聯動控(kong)(kong)制(zhi)(zhi)(zhi)線(控(kong)(kong)制(zhi)(zhi)(zhi)接(jie)(jie)點(dian)為(wei)無(wu)源(yuan)接(jie)(jie)點(dian))，溫(wen)度傳感器(qi)，冷(leng)凍，冷(leng)卻水(shui)(shui)泵，冷(leng)卻水(shui)(shui)塔聯動控(kong)(kong)制(zhi)(zhi)(zhi)線(控(kong)(kong)制(zhi)(zhi)(zhi)接(jie)(jie)點(dian)為(wei)無(wu)源(yuan)接(jie)(jie)點(dian))，電(dian)(dian)(dian)控(kong)(kong)儀表等(deng)等(deng)節點(dian)。待確認好后，方可執行開(kai)機操作，確保冷(leng)水(shui)(shui)機組正常運行。
冷水機(ji)組屬于大功(gong)率機(ji)器，電(dian)壓(ya)基本都是工(gong)業電(dian)壓(ya)，380V，所以在安(an)裝冷水機(ji)時最好安(an)裝穩壓(ya)器。