廣元電線電纜批發(fā) 貼心服務(wù) 成都皖川科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="超負(fù)荷運行，廣元電線電纜批發(fā)，由于電流的熱效應(yīng)，負(fù)載電流通過電纜時必然導(dǎo)致導(dǎo)體發(fā)熱，同時電荷的集膚效應(yīng)以及鋼鎧的渦流損耗、絕緣介質(zhì)損耗也會產(chǎn)乍附加熱量，從而使電纜溫度升高，廣元電線電纜批發(fā)。長期超負(fù)荷運行時，過高的溫度會加速絕緣的老化，以至"><meta name="keywords" content="廣元電線電纜批發(fā),電線電纜"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="yscovhj" class="twoCol"><div id="lk48e88" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_gydqew/">高壓電器</a>?<a href="http://www.cdcfah.com/cp/third-gydqew_gykggek/">高壓開關(guān)柜</a>?廣元電線電纜批發(fā) 貼心服務(wù) 成都皖川科技供應(yīng)</p><div id="ky9f3xe" class="leftbox clearfix"><h1>廣元電線電纜批發(fā) 貼心服務(wù) 成都皖川科技供應(yīng)</h1><div id="2av27ne" class="proBig"><div id="dc9lfwi" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637064055704951172/31284.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zt4u3pc" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637064055704951172/31284.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="tshl3q8" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>廣元電線電纜批發(fā),電線電纜</p><p><span>***更新：</span>2020-11-01 00:18:19</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="beykmyv" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都皖川科技有限公司</a></p><p><span>聯(lián)系人：</span>朱成生</p><p><span>郵箱: </span>cdwckjgs@sina.com</p><p><span>電話: </span>18755046999</p><p><span>傳真: </span>028_87463776</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬達(dá)廣場SOHO公寓2-2-1138室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="p2w8oxz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="g8vu2f9" class="box"><p><p style="text-indent:25px">超負(fù)荷運行，廣元電線電纜批發(fā)，由于電流的熱效應(yīng)，負(fù)載電流通過電纜時必然導(dǎo)致導(dǎo)體發(fā)熱，同時電荷的集膚效應(yīng)以及鋼鎧的渦流損耗、絕緣介質(zhì)損耗也會產(chǎn)乍附加熱量，從而使電纜溫度升高，廣元電線電纜批發(fā)。長期超負(fù)荷運行時，過高的溫度會加速絕緣的老化，以至絕緣被擊穿。尤其在炎熱的夏季，電纜的溫升常常導(dǎo)致電纜絕緣薄弱處首先被擊穿，因此在夏季，電纜的故障也就特別多。電纜接頭是電纜線路中蕞薄弱的環(huán)節(jié)，由人員直接過失(施工不良)引發(fā)的電纜接頭故障時常發(fā)生。施工人員在制作電纜接頭過程中，如果有接頭壓接不緊、加熱不充分等原網(wǎng)，廣元電線電纜批發(fā)，都會導(dǎo)致電纜頭絕緣降低，從而引發(fā)事故。廣元電線電纜批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元電線電纜批發(fā),電線電纜" src="http://tyunfile.71360.com/UploadFile/cdwckj/637064055704951172/31284.jpg"></div><p style="text-indent:25px">耐高溫（阻燃）電力電纜特性： 1、額定電壓U0/U：0.6/1kv 2、電纜允許工作溫度：氟塑料絕緣及護(hù)套為200℃；氟塑料絕緣耐熱105聚氯乙烯護(hù)套為105℃；氟塑料絕緣硅橡膠護(hù)套為180℃。 3、短路時（持續(xù)不超過5S）電纜導(dǎo)體的溫度不超過250℃。 4、電纜敷設(shè)溫度應(yīng)不低于-15℃。 5、電纜敷設(shè)時的彎曲半徑規(guī)定如下：單芯電纜：其彎曲半徑不小于電纜外徑的**；三芯電纜：其彎曲半徑不小于電纜外徑的15D。 6、氟塑料絕緣及護(hù)套型電力電纜具有優(yōu)異的耐化學(xué)腐蝕性、耐高溫及阻燃性。廣元電線電纜批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元電線電纜批發(fā),電線電纜" src="http://tyunfile.71360.com/UploadFile/cdwckj/637064055705166016/6340643.jpg"></div><p style="text-indent:25px">1、每臺計算機耗電約為200～300W(約1～1.5A)，那么10臺計算機就需要一條2.5平方毫米的銅芯電線供電，否則可能發(fā)生火災(zāi)。 2、大3匹空調(diào)耗電約為3000W(約14A)，那么1臺空調(diào)就需要單獨的一條2.5平方毫米的銅芯電線供電。 3、現(xiàn)在的住房進(jìn)線一般是4平方毫米的銅線，因此，同時開啟的家用電器不得超過25A(即5500瓦)，有人將房屋內(nèi)的電線更換成6平方毫米的銅線是沒有用處的，因為進(jìn)入電表的電線是4平方毫米的。 4、早期的住房(15年前)進(jìn)線一般是2.5平方毫米的鋁線，因此，同時開啟的家用電器不得超過13A(即2800瓦)。</p><p style="text-indent:25px">廣義的電線電纜亦簡稱為電纜。狹義的電纜是指絕緣電纜。它可定義為：由下列部分組成的**體，一根或多根絕緣線芯，以及它們各自可能具有的包覆層，總保護(hù)層及外護(hù)層。電纜亦可有附加的沒有絕緣的導(dǎo)體。我國的電線電纜產(chǎn)品按其用途分成下列五大類： 1.裸電線； 2.繞組線； 3.電力電纜； 4.通信電纜和通信光纜； 5.電氣裝備用電線電纜。電線電纜的基本結(jié)構(gòu)： 1.導(dǎo)體：傳導(dǎo)電流的物體,電線電纜的規(guī)格都以導(dǎo)體的截面表示。 2.絕緣：外層絕緣材料按其耐受電壓程度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元電線電纜批發(fā),電線電纜" src="http://tyunfile.71360.com/UploadFile/cdwckj/637064055704824219/8908406.jpg"></div><p style="text-indent:25px">例如鋁芯絕緣線，環(huán)境溫度為不大于25℃時的載流量的計算：當(dāng)截面為6平方毫米時，算得載流量為30安；當(dāng)截面為150平方毫米時，算得載流量為300安；當(dāng)截面為70平方毫米時，算得載流量為175安；從上面的排列還可以看出：倍數(shù)隨截面的增大而減小，在倍數(shù)轉(zhuǎn)變的交界處，誤差稍大些。比如截面25與35是四倍與三倍的分界處，25屬四倍的范圍，它按口訣算為100安，但按手冊為97安；而35則相反，按口訣算為105安，但查表為117安。不過這對使用的影響并不大。當(dāng)然，若能“胸中有數(shù)”，在選擇導(dǎo)線截面時，25的不讓它滿到100安，35的則可略為超過105安便更準(zhǔn)確了。同樣，2.5平方毫米的導(dǎo)線位置在五倍的始端，實際便不止五倍（比較大可達(dá)到20安以上），不過為了減少導(dǎo)線內(nèi)的電能損耗，通常電流都不用到這么大，手冊中一般只標(biāo)12安。廣元電線電纜批發(fā)</p><p style="text-indent:25px">廣元電線電纜批發(fā)</p><p style="text-indent:25px">5、耗電量比較大的家用電器是：空調(diào)(1.2匹)，電熱水器，微波爐，電飯煲，洗碗機，帶烘干功能的洗衣機十A，電開水器四A在電源引起的火災(zāi)中，有90％是由于接頭發(fā)熱造成的，因此所有的接頭均要焊接，不能焊接的接觸器件5～10年必須更換(比如插座、空氣開關(guān)等)。銅芯電線電纜載流量標(biāo)準(zhǔn)電纜載流量口決：估算口訣：二點五下乘以九，往上減一順號走。三十五乘三點五，雙雙成組減點五。條件有變加折算，高溫九折銅升級。穿管根數(shù)二三四，八七六折滿載流。廣元電線電纜批發(fā)</p><p style="text-indent:25px">成都皖川科技有限公司致力于儀器儀表，是一家貿(mào)易型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細(xì)節(jié)，公司旗下耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計深受客戶的喜愛。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1791102.html</p></div></div></div></div></div><div id="o7nphj3" class="page-right twoColRt"><div id="x83nqxe" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="j4c3t3p" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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