?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 甉|癄Q线路过载分为哪几种原因Q?/title><meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" /><meta name="description" content="U\q蝲又可以分为很多种原因Q以下就来逐一的分析一下:一、线路太q,压降太大Q一般来_U\远Q电~越l,压降也就大。按照正帔R择Q?.5KW甉|额定甉|Uؓ15AQ选择使用4mm2铜线卛_。但?.."><meta name="keywords" content="U\q蝲,늺늼,"> <link href="/style/Template/public.css" rel="stylesheet" type="text/css" /> <link href="/style/Template/tech.css" rel="stylesheet" type="text/css" /> <!-- Google Tag Manager --> <!-- End Google Tag Manager --> <script language="javascript" type="text/javascript" src="/tj.js"></script> <script language="javascript" type="text/javascript" src="/common.js"></script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> 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target="_blank">甉|癄</a> >> <span>正文</span></div> <!-- main_content begin--> <div class="maincontent"> <!-- left begin --> <div class="news_left"> <div class="brand_news_details"> <h1>甉|癄Q线路过载分为哪几种原因Q?/h1><table style="border-bottom:1px dotted #e4e4e4;" align="center"><tr><td><div class="news_mes">文章来源Q电工之?作者:??点击Q?span id="HitNum"></span>?旉Q?span id="dTime">2020/9/16 13:25:59</span><input type="hidden" id="ID" value="100918529"/><input type="hidden" id="TypeID" value="2"/></div> </td> <td><div id="ckepop"></div></td></tr></table><div id="Content" style="display:none;">[甉|癄Q线路过载分为哪几种原因Q]:U\q蝲又可以分为很多种原因Q以下就来逐一的分析一下:一、线路太q,压降太大Q一般来_U\远Q电~越l,压降也就大。按照正帔R择Q?.5KW甉|额定甉|Uؓ15AQ选择使用4mm2铜线卛_。但?..</div><div class="brand_news_con"><p style="text-indent:2em;"> U\q蝲又可以分为很多种原因Q以下就来逐一的分析一下: </p> <p style="text-indent:2em;"> 一、线路太q,压降太大Q?</p> <p style="text-indent:2em;"> 一般来_U\远Q电~越l,压降也就大。按照正帔R择Q?.5KW甉|额定甉|Uؓ15AQ?span>择?mm2铜线卛_。但是,题中l出的条件是100c的距离Q根据经验,4mm2铜线癄压降Uؓ7V</span> </p> <p style="text-indent:2em;"> 左右Q也是?80V标准电压Q其压降后ؓ373VQ这个电压启动电机绝Ҏ有问题。剩下的是?span>~线径低?mm2了,如果你选择?.5mm2的导U,100c的距离Q可能会出现压降q大Q电~过热?/span><span>引v热跳闸?/span> </p> <p style="text-indent:2em;"> 二、电机或机械部分故障 </p> <p style="text-indent:2em;"> 甉|轴承~a损坏Q或者是机械部分出现卡阻Q导致电过高蟩闸,当超q?1A的整定电值时Q设<span>在热l内部的双金属片遇热弯曲Q连杆推动触点,使接触器U圈断电?/span> </p> <p style="text-indent:2em;"> 三、接触不?</p> <p style="text-indent:2em;"> 늼中间有接_或电机及接触器接U端子螺丝没有紧固好Q出现松动氧化导致接触不良,使电~?span>q热Q传D热跳闸?/span> </p> <p style="text-indent:2em;"> 解决办法Q?</p> <p style="text-indent:2em;"> 甉|调整?1AQ已l超q电w的额定甉|Q一般来_热的整定电是甉|额定甉|值的<span>1.1倍就可以了。显?1A已经大于1.1倍的整定甉|Q所以无需再做调整Q否则容易烧毁电机。唯一</span><span>的办法就是增加电~线径,假如原来?mm2的铜U,可以更换?mm2的。另外,再检查一下电~两</span><span>端接U端子有无松动现象,或者是机械讑֤有没有异常响声等Q若是有Q可故障排除?/span> </p> <p style="text-indent:2em;"> <br /> </p></div><div class="meneame"><span class="disabled">< </span><span class="current">1</span> <span class="disabled">> </span></div> <div style="text-align: center;padding-top: 10px;"><img src="/images/code.jpg" alt="x有惊?" 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