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src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533502812500/1137116.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ncmiaho" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533502812500/1137116.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="r2m3hjg" 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)品關鍵詞：</span>安徽高壓跌落式熔斷器廠家直銷,熔斷器</p><p><span>***更新：</span>2020-07-28 17:23:16</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="m2rg2xw" 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="xmjvszw" class="page-proshow02"><p class="title">詳細說明</p><div id="u3khzwt" class="box"><p><p> 熔斷器有個非常明顯的特點性能，就是安秒特性。對熔體來說，其動作電流和動作時間特性即熔斷器的安秒特性，也叫反時延特性，即：過載電流小時，熔斷時間長；過載電流大時，安徽高壓跌落式熔斷器廠家直銷，熔斷對安秒特性的理解，從焦耳定律上可以看到Q=I2*R*T，串聯(lián)回路里，熔斷器的R值基本不變，發(fā)熱量與電流I的平方成正比，與發(fā)熱時間T成正比，也就是說：當電流較大時，安徽高壓跌落式熔斷器廠家直銷，熔體熔斷所需的時間就較短。而電流較小時，熔體熔斷所需用的時間就較長，甚至如果熱量積累的速度小于熱擴散的速度，熔斷器溫度就不會上升到熔點，安徽高壓跌落式熔斷器廠家直銷，熔斷器甚至不會熔斷。因此，在一定過載電流范圍內(nèi)，當電流恢復正常時，熔斷器不會熔斷，可繼續(xù)使用。 </p> <p> <br /> </p> <p> <br /> 跌落式熔斷器有哪些特點？安徽高壓跌落式熔斷器廠家直銷</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽高壓跌落式熔斷器廠家直銷,熔斷器" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533502812500/1137116.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)結構可分為敞開式、半封閉式、管式和噴射式熔斷器。敞開式熔斷器結構簡單,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。分斷電流時在大氣中產(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)使用分斷電流時,所產(chǎn)生的聲光被瓷盒擋住。管式熔斷器的熔體裝在熔斷體內(nèi)。然后插在支座或直接連在電路上運用。熔斷體是兩端套有金屬帽或帶有觸刀的完全密封的絕緣管。</span> </p> <p> <br /> 安徽高壓跌落式熔斷器廠家直銷熔斷器該怎么去維護它呢？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽高壓跌落式熔斷器廠家直銷,熔斷器" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533502880859/802124.jpg"></div><p style="text-indent:25px">熔斷器組成的三個部分主要由熔體、外殼和支座，其中熔體是控制熔斷特性的關鍵元件。熔體的材料、尺寸和形狀決定了熔斷特性。熔體材料分為低熔點和高熔點兩類。低熔點材料如鉛和鉛合金，其熔點低容易熔斷，因為其電阻率較大，所以制成熔體的截面尺寸較大，熔斷時產(chǎn)生的金屬蒸氣較多，只適用于低分斷能力的熔斷器。高熔點材料如銅、銀，其熔點高，不容易熔斷，但因為其電阻率較低，可制成比低熔點熔體較小的截面尺寸，熔斷時產(chǎn)生的金屬蒸氣少，適用于**斷能力的熔斷器。熔體的形狀分為絲狀和帶狀兩類。改變變截面的形狀可明顯改變?nèi)蹟嗥鞯娜蹟嗵匦?。熔斷器有各種不一樣的熔斷特性曲線，可以適用于不同類型保護對象的需要。</p><p style="text-indent:25px">熔斷器的動作是靠熔體的熔斷來實現(xiàn)的，熔斷器有個非常明顯的特點性能，就是安秒特性。對熔體來說，其動作電流和動作時間特性即熔斷器的安秒特性，也叫反時延特性，即：過載電流小時，熔斷時間長；過載電流大時，熔斷對安秒特性的理解，從焦耳定律上可以看到Q=I2*R*T，串聯(lián)回路里，熔斷器的R值基本不變，發(fā)熱量與電流I的平方成正比，與發(fā)熱時間T成正比，也就是說：當電流較大時，熔體熔斷所需的時間就較短。而電流較小時，熔體熔斷所需用的時間就較長，甚至如果熱量積累的速度小于熱擴散的速度，熔斷器溫度就不會上升到熔點，熔斷器甚至不會熔斷。因此，在一定過載電流范圍內(nèi)，當電流恢復正常時，熔斷器不會熔斷，可繼續(xù)使用。熔斷器的參數(shù)和型號有哪些？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽高壓跌落式熔斷器廠家直銷,熔斷器" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533503652343/6659730.jpg"></div><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，熔斷器多應用于電網(wǎng)保護和用電設備保護，當電網(wǎng)或用電設備發(fā)生短路故障或過載時，可自動切斷電路，避免電器設備損壞，防止***蔓延。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，熔體相當于串聯(lián)在電路中的一段特殊的導線，當電路發(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、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，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。哪些方面是我們選擇熔斷器需要注意的呢？安徽高壓跌落式熔斷器廠家直銷</p><p style="text-indent:25px">熔斷器的品牌有很多，你如何選擇？安徽高壓跌落式熔斷器廠家直銷</p><p style="text-indent:25px">跌落式熔斷器瓷件應良好，熔絲管不應有吸潮膨脹、彎曲變形現(xiàn)象。熔絲管上下觸頭的中心線與熔絲管軸線應在同一平面內(nèi)，不得扭歪。跌落式熔斷器應安裝牢固、排列整齊，不得左右轉動，10kV跌落式熔斷器相間水平距離不應小于0.5m。為便于操作和熔絲熔斷時自跌，使熔絲管軸線有一定傾斜度，瓷座軸線與地面垂線的夾角一般為20°~30°。分、合閘操作應靈活、可靠，接觸緊密。合閘前調(diào)整上下觸頭應有一定的壓縮行程。在運行中，跌落式熔斷器熔絲熔斷3~4次后，應檢查熔絲管內(nèi)徑是否增大，如果增大2~3mm,則應考慮更換新的熔絲管。在運行中如發(fā)現(xiàn)跌落式熔斷器分、合閘不靈活、則應立即檢修調(diào)整。如果無法調(diào)整，則應更換新的跌落式熔斷器。有的地區(qū)對跌落式熔絲管采取3~5年更換一次。安徽高壓跌落式熔斷器廠家直銷</p><p style="text-indent:25px">江西百新電瓷電氣有限公司成立于2003-02-24，專業(yè)高低壓電瓷、電器、絕緣子、工業(yè)陶瓷、五金配件、塑膠制品、配電開關控制設備、電力元器件、電線電纜及電纜附件、機電設備、高低壓電器開關、斷路器、隔離開關、熔斷器、避雷器、智能配電設備、節(jié)能設備、三項不平衡自動調(diào)節(jié)裝置、電力金具與附件的生產(chǎn)、銷售、技術研發(fā)，玻璃絕緣子、瓷（玻璃/復合）絕緣子的技術研發(fā)、銷售，及相關產(chǎn)品的進出口貿(mào)易（依法須經(jīng)批準的項目，經(jīng)相關部門批準后方可開展經(jīng)營活動）等多項業(yè)務，主營業(yè)務涵蓋[ "絕緣子", "電力元器件", "避雷器", "熔斷器" ]。公司目前擁有高技術人才301~500人人，以不斷增強企業(yè)核心競爭力，加快企業(yè)技術創(chuàng)新，實現(xiàn)穩(wěn)健生產(chǎn)經(jīng)營。誠實、守信是對企業(yè)的經(jīng)營要求，也是我們做人的基本準則。公司致力于打造***的[ "絕緣子", "電力元器件", "避雷器", "熔斷器" ]。目前公司已經(jīng)成為[ "絕緣子", "電力元器件", "避雷器", "熔斷器" ]的**企業(yè)，正積蓄著更大的能量，向更廣闊的空間、更***的領域拓展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/731592.html</p></div></div></div></div></div><div id="gvszwik" class="page-right twoColRt"><div id="8p2zb3y" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fzbyame" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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