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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="mvctkmb" class="twoCol"><div id="az3zmmo" 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_gyrdqzr/">高壓熔斷器</a>?北京高壓跌落式熔斷器價格信息推薦江西百新電瓷電氣供應(yīng)</p><div id="yhe2uzb" class="leftbox clearfix"><h1>北京高壓跌落式熔斷器價格信息推薦江西百新電瓷電氣供應(yīng)</h1><div id="8szovxz" class="proBig"><div id="h2molxu" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533623730468/3674869.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qfx2k87" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533623730468/3674869.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="utvpgsu" 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>江西省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>北京高壓跌落式熔斷器價格,熔斷器</p><p><span>***更新：</span>2020-07-03 00:31:56</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="nju3qkg" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江西百新電瓷電氣有限公司</a></p><p><span>聯(lián)系人：</span>黃女士</p><p><span>郵箱: </span>bxdc360@163.com</p><p><span>電話: </span>13697997707</p><p><span>傳真: </span>0799_</p><p><span>網(wǎng)址: </span>http://www.jx-ne.com</p><p><span>手機: </span>0799-6378010</p><p><span>地址: </span>工業(yè)園</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="xwoi3xu" class="page-proshow02"><p class="title">詳細說明</p><div id="jyldkmt" class="box"><p><p style="text-indent:25px">低壓配電系統(tǒng)中熔斷器是起保護作用的一種電器，熔斷器多應(yīng)用于電網(wǎng)保護和用電設(shè)備保護，當(dāng)電網(wǎng)或用電設(shè)備發(fā)生短路故障或過載時，可自動切斷電路，避免電器設(shè)備損壞，防止***蔓延，北京高壓跌落式熔斷器價格。熔斷器由絕緣底座（或支持件）、觸頭、熔體等組成，熔體是熔斷器的主要工作部分，熔體相當(dāng)于串聯(lián)在電路中的一段特殊的導(dǎo)線，當(dāng)電路發(fā)生短路或過載時，電流過大，熔體因過熱而熔化，從而切斷電路。熔體常做成絲狀、柵狀或片狀。熔體材料具有相對熔點低、特性穩(wěn)定、易于熔斷的特點。一般采用鉛錫合金，北京高壓跌落式熔斷器價格、鍍銀銅片、鋅、銀等金屬。在熔體熔斷切斷電路的過程中會產(chǎn)生電弧，北京高壓跌落式熔斷器價格，為了很好地熄滅電弧，一般均將熔體安裝在熔斷器殼體內(nèi)，采取措施，快速熄滅電弧。跌落式熔斷器有哪些特點性能？北京高壓跌落式熔斷器價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京高壓跌落式熔斷器價格,熔斷器" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533623730468/3674869.jpg"></div><p> 熔斷器的短路保護性能好，過載保護性能一般。如確需在過載保護中使用，需要仔細匹配線路過載電流與熔斷器的額定電流。熔斷器的選擇主要依據(jù)負(fù)載的保護特性和短路電流的大小選擇熔斷器的類型。對于容量小的電動機和照明支線，常采用熔斷器作為過載及短路保護，所以希望熔體的熔化系數(shù)適當(dāng)小些。一般選用鉛錫合金熔體的RQA系列熔斷器。對于較大容量的電動機和照明干線，則應(yīng)著重考慮短路保護和分?jǐn)嗄芰ΑＲ话氵x用具有較**斷能力的RM10和RL1系列的熔斷器；當(dāng)短路電流很大時，宜采用具有限流作用的RT0和RTl2系列的熔斷器。 </p> <p> <br /> </p> <p> <br /> 北京高壓跌落式熔斷器價格熔斷器的型號那么多，該怎么選擇？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京高壓跌落式熔斷器價格,熔斷器" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533503652343/6659730.jpg"></div><p> 熔斷器按照使用電壓可分為高壓熔斷器和低壓熔斷器。根據(jù)保護對象可分為保護變壓器用和一般電氣設(shè)備用的熔斷器、保護電壓互感器的熔斷器、保護電力電容器的熔斷器、保護半導(dǎo)體元件的熔斷器、保護電動機的熔斷器和保護家用電器的熔斷器等。根據(jù)結(jié)構(gòu)可分為敞開式、半封閉式、管式和噴射式熔斷器。敞開式熔斷器結(jié)構(gòu)簡單,熔體完全暴露于空氣中,由瓷柱作支撐，沒有支座，適合低壓戶外使用。分?jǐn)嚯娏鲿r在大氣中產(chǎn)生較大的聲光。<span style="font-size:12px;">半封閉式熔斷器的熔體裝在瓷架上，插入兩端帶有金屬插座的瓷盒中,適于低壓戶內(nèi)使用分?jǐn)嚯娏鲿r,所產(chǎn)生的聲光被瓷盒擋住。</span> </p> <p> <br /> </p><p> 跌落式熔斷器操作時由兩人進行(一人監(jiān)護，一人操作)，但需要戴經(jīng)試驗合格的絕緣手套，穿絕緣靴、戴護目眼鏡，使用電壓等級相匹配的合格絕緣棒操作，在雷電或者大雨的氣候下禁止操作。在拉閘操作時，一般規(guī)定為先拉斷中間相，再拉背風(fēng)的邊相，之后拉斷迎風(fēng)的邊相。這是因為配電變壓器由三相運行改為兩相運行，拉斷中間相時所產(chǎn)生的電弧火花小，不致造成相間短路。其次是拉斷背風(fēng)邊相，因為中間相已被拉開，背風(fēng)邊相與迎風(fēng)邊相的距離增加了一倍，即使有過電壓產(chǎn)生，造成相間短路的可能性也很小。之后拉斷迎風(fēng)邊相時，*有對地的電容電流，產(chǎn)生的電火花則已很輕微。合閘的時候操作順序拉閘時相反，先合迎風(fēng)邊相，再合背風(fēng)的邊相，之后合上中間相。操作熔管是一項頻繁的項目，注意不到便會造成觸頭燒傷引起接觸不良，使觸頭過熱，彈簧退火，促使觸頭接觸更為不良，形成惡性循環(huán)。因此，拉、合熔管時要用力適度，合好后，要仔細檢查鴨嘴舌頭能緊緊扣住舌頭長度三分之二以上，可用拉閘桿鉤住上鴨嘴向下壓幾下，再輕輕試?yán)?，檢查是否合好。合閘時未能到位或未合牢靠，熔斷器上靜觸頭壓力不足，很容易造成觸頭燒傷或者熔管自行跌落。 </p> <p> <br /> </p> <p> <br /> 熔斷器的型號那么多，該如何選擇?</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京高壓跌落式熔斷器價格,熔斷器" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533639609375/588778.jpg"></div><p style="text-indent:25px">戶外式熔斷器工作原理是：將熔絲穿入熔管內(nèi),兩端擰緊,并使熔絲位于熔管中間偏上方,上動觸頭由于熔絲拉緊的張力而垂直于熔絲管向上翹起,用絕緣拉桿將上動觸頭推入上靜觸頭內(nèi),成閉合狀態(tài)(合閘狀態(tài))并保持這一狀態(tài)。當(dāng)被保護線路發(fā)生故障,故障電流使熔絲熔斷時,形成電弧,消弧管在電弧高溫作用下分解出大量氣體,使管內(nèi)壓力急劇增大,氣體向外高速噴出,對電弧形成強有力的縱向吹弧,使電弧迅速拉長而熄滅.與此同時,由于熔絲熔斷,熔絲的拉力消失,使鎖緊機構(gòu)釋放,熔絲管在上靜觸頭的彈力及其自重的作用下,繞下軸翻轉(zhuǎn)跌落,形成明顯的斷開距離。使電路斷開，切除故障段線路或者故障設(shè)備。熔斷器的分類那么多，該怎么選擇？溫州高壓跌落式熔斷器銷售</p><p style="text-indent:25px">熔斷器的應(yīng)用范圍有哪些方面？北京高壓跌落式熔斷器價格</p><p style="text-indent:25px">跌落式熔斷器適用于環(huán)境空氣無導(dǎo)電粉塵、無腐蝕性氣體及易燃、易爆等危險性環(huán)境，年度溫差變比在±40℃以內(nèi)的戶外場所。其選擇是按照額定電壓和額定電流兩項參數(shù)進行，也就是熔斷器的額定電壓需要與被保護設(shè)備(線路)的額定電壓相匹配。熔斷器具的額定電流應(yīng)大于或等于熔體的額定電流。而熔體的額定電流可選為額定負(fù)荷電流的1.5～2倍。此外，應(yīng)按被保護系統(tǒng)三相短路容量，對所選定的跌落式熔斷器進行校核。保證被保護系統(tǒng)三相短路容量小于熔斷器額定斷開容量的上限，但需要大于額定斷開容量的下限。若熔斷器的額定斷開容量(一般是指其上限)過大，很可能使被保護系統(tǒng)三相短路容量小于熔斷器額定斷開容量的下限，造成在熔體熔斷時難以滅弧，引起熔管燒毀，等狀況。北京高壓跌落式熔斷器價格</p><p style="text-indent:25px">江西百新電瓷電氣有限公司致力于電工電氣，以科技創(chuàng)新實現(xiàn)***管理的追求。江西百新電瓷電氣深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的[ "絕緣子", "電力元器件", "避雷器", "熔斷器" ]。公司擁有多年的行業(yè)經(jīng)驗，每年以銷售收入達到1億元以上，如果您想了解更多產(chǎn)品信息，請通過頁面上的電話聯(lián)系我們。江西百新電瓷電氣始終關(guān)注電工電氣市場，以敏銳的市場洞察力以準(zhǔn)確定位，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/474359.html</p></div></div></div></div></div><div id="sh7ozwy" class="page-right twoColRt"><div id="3e3vikm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2ik23xu" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="ul3yfw3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" 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