陕西德勒电气设备有限公司

配电箱厂家详解配电箱三相五线制的接法

发布时(shi)间:2021 / 01 / 29 09:16:27 来源:陕西(xi)德勒电气设备有限公司

配电(dian)(dian)箱具(ju)有体积小、安(an)装简(jian)便,技术(shu)性能(neng)特殊、位置(zhi)(zhi)固(gu)定,配置(zhi)(zhi)功(gong)能(neng)独特、不受(shou)场(chang)地限制,应(ying)用(yong)比较普遍,操(cao)作稳定可(ke)靠,空(kong)间利用(yong)率高,占地少且具(ju)有环保效应(ying)的特点。是(shi)指挥供(gong)电(dian)(dian)线路中各种元器件合理(li)分配电(dian)(dian)能(neng)的控(kong)制中心(xin),是(shi)可(ke)靠接(jie)纳上端电(dian)(dian)源,正(zheng)确馈(kui)出荷载电(dian)(dian)能(neng)的控(kong)制环节,也(ye)是(shi)获取用(yong)户(hu)对(dui)供(gong)电(dian)(dian)质量满意与否(fou)的关键。提(ti)高动力配电(dian)(dian)箱的操(cao)作可(ke)靠性,是(shi)创(chuang)优质工程的目标。
三(san)相(xiang)五线(xian)(xian)(xian)(xian)制(zhi)包括三(san)相(xiang)电的(de)三(san)个相(xiang)线(xian)(xian)(xian)(xian)(A、B、C线(xian)(xian)(xian)(xian))、中(zhong)性线(xian)(xian)(xian)(xian)(N线(xian)(xian)(xian)(xian));以及(ji)地(di)线(xian)(xian)(xian)(xian)(PE线(xian)(xian)(xian)(xian))。中(zhong)性线(xian)(xian)(xian)(xian)(N线(xian)(xian)(xian)(xian))就(jiu)是(shi)零(ling)线(xian)(xian)(xian)(xian)。三(san)相(xiang)负(fu)载(zai)对(dui)称(cheng)(cheng)时,三(san)相(xiang)线(xian)(xian)(xian)(xian)路流(liu)(liu)入(ru)中(zhong)性线(xian)(xian)(xian)(xian)的(de)电流(liu)(liu)矢量和为零(ling),但对(dui)于单独的(de)一(yi)相(xiang)来(lai)讲,电流(liu)(liu)不为零(ling)。三(san)相(xiang)负(fu)载(zai)不对(dui)称(cheng)(cheng)时,中(zhong)性线(xian)(xian)(xian)(xian)的(de)电流(liu)(liu)矢量和不为零(ling),会产生对(dui)地(di)电压。
三(san)相(xiang)五线(xian)制标准导(dao)线(xian)颜(yan)色为:A线(xian)黄色,B线(xian)绿色,C线(xian)红色,N线(xian)淡蓝(lan)色,PE线(xian)黄绿色。
三相五线制(zhi)分(fen)为TT接地方(fang)式和TN接地方(fang)式,其中TN又(you)具体分(fen)为TN-S,TN-C,TN-C-S三种方(fang)式。
三相五(wu)线制分(fen)为TT接地方(fang)式(shi)和TN接地方(fang)式(shi),其中TN又(you)具(ju)体分(fen)为TN-S,TN-C,TN-C-S三种方(fang)式(shi)。
民(min)用供电(dian)线(xian)(xian)路相(xiang)(xiang)线(xian)(xian)之间的电(dian)压(ya)(ya)(ya)(即线(xian)(xian)电(dian)压(ya)(ya)(ya))为380V,相(xiang)(xiang)线(xian)(xian)和地(di)线(xian)(xian)或中性线(xian)(xian)之间的电(dian)压(ya)(ya)(ya)(即相(xiang)(xiang)电(dian)压(ya)(ya)(ya))均(jun)为220V。进户线(xian)(xian)一般采用单(dan)相(xiang)(xiang)二线(xian)(xian)制,即三个相(xiang)(xiang)线(xian)(xian)中的任(ren)意一相(xiang)(xiang)和中性线(xian)(xian)(作零(ling)线(xian)(xian))。如遇(yu)大(da)功率(lv)用电(dian)器(qi),需自行设置接地(di)线(xian)(xian)。
三相五线制标(biao)准导线颜(yan)色(se)(se)(se)为:A线黄色(se)(se)(se),B线绿色(se)(se)(se),C线红色(se)(se)(se),N线淡蓝色(se)(se)(se),PE线黄绿色(se)(se)(se)。
三(san)相(xiang)五线(xian)(xian)(xian)(xian)制包括三(san)相(xiang)电的(de)三(san)个相(xiang)线(xian)(xian)(xian)(xian)(A、B、C线(xian)(xian)(xian)(xian))、中(zhong)性线(xian)(xian)(xian)(xian)(N线(xian)(xian)(xian)(xian));以及地线(xian)(xian)(xian)(xian)(PE线(xian)(xian)(xian)(xian))。中(zhong)性线(xian)(xian)(xian)(xian)(N线(xian)(xian)(xian)(xian))就(jiu)是(shi)零(ling)(ling)线(xian)(xian)(xian)(xian)。三(san)相(xiang)负(fu)载(zai)对(dui)称时,三(san)相(xiang)线(xian)(xian)(xian)(xian)路流(liu)(liu)入中(zhong)性线(xian)(xian)(xian)(xian)的(de)电流(liu)(liu)矢量和(he)为零(ling)(ling),但对(dui)于单独的(de)一(yi)相(xiang)来讲,电流(liu)(liu)不为零(ling)(ling)。三(san)相(xiang)负(fu)载(zai)不对(dui)称时,中(zhong)性线(xian)(xian)(xian)(xian)的(de)电流(liu)(liu)矢量和(he)不为零(ling)(ling),会(hui)产生对(dui)地电压。

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