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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>?江西熔斷器供應(yīng) 歡迎咨詢江西百新電瓷電氣供應(yīng)</p><div id="zoypgnj" class="leftbox clearfix"><h1>江西熔斷器供應(yīng) 歡迎咨詢江西百新電瓷電氣供應(yīng)</h1><div id="2nuwx38" class="proBig"><div id="gpmtf9h" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533502880859/802124.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xhoqcw7" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533502880859/802124.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="82c2ho9" 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>江西熔斷器供應(yīng),熔斷器</p><p><span>***更新：</span>2020-07-24 08:36:30</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="yholnhq" 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="jipr2ml" class="page-proshow02"><p class="title">詳細說明</p><div id="wl8selp" class="box"><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，江西熔斷器供應(yīng)，與發(fā)熱時間T成正比，也就是說：當(dāng)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，江西熔斷器供應(yīng)，熔斷器甚至不會熔斷。因此，在一定過載電流范圍內(nèi)，當(dāng)電流恢復(fù)正常時，江西熔斷器供應(yīng)，熔斷器不會熔斷，可繼續(xù)使用。熔斷器的類型那么多，該怎么選擇？江西熔斷器供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西熔斷器供應(yīng),熔斷器" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533502880859/802124.jpg"></div><p style="text-indent:25px">.氧化鋅避雷器擁有自身個體化的特征，為了檢測它是不是能在不斷的應(yīng)用中也保持同樣的性能與系統(tǒng)穩(wěn)定性，所以可以進行一定的質(zhì)量上與技術(shù)上的試驗。試驗的目的在于進一步了解氧化鋅避雷器的內(nèi)部條件并檢驗它是否能承受工作電流。我們進行試驗的目的在于試驗其內(nèi)部是否有防水功能、是不是會有受潮的狀況。試驗的對象為氧化鋅避雷器的內(nèi)部閥片，需要專業(yè)人員進行試驗閥片的工作，比如使用測驗直流電壓與電流的數(shù)值以檢查閥片的伏安特性曲線飽和點的位置是否正常，通過這樣的方法以確保它的保護功能與電氣特性仍然保持著出廠時一致的性能與特點。再來就是可以檢驗氧化鋅避雷器在長時間的運作后會不會出現(xiàn)故、檢驗其工作電流是否正常且符合標(biāo)準(zhǔn)。贛州高壓跌落式熔斷器關(guān)于熔斷器的知識你了解多少？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西熔斷器供應(yīng),熔斷器" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533623730468/3674869.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> 熔絲不正常熔斷熔絲熔斷引起掉管，從理論上說是熔絲保護起到了作用。但是，從往年的統(tǒng)計圖表中可明顯地看出，不正常熔斷有時間規(guī)律和氣候規(guī)律，反映在每年的7～8月間，氣溫高、用電負(fù)荷大、配變負(fù)載上升快，熔絲熔斷掉管故障集中多發(fā)。這說明了熔絲不正常熔斷，其原因有：(1)熔絲容量與配變?nèi)萘颗渲貌划?dāng)，達不到熔絲配置的技術(shù)標(biāo)準(zhǔn)。(2)熔絲的質(zhì)量不過關(guān)，熔斷特性比較差。熔絲軋斷從往年的統(tǒng)計圖表中還可看出，熔絲由于軋傷引起掉管沒有特別的時間規(guī)律和氣候規(guī)律，而從熔絲本體軋斷的部位來分析，發(fā)現(xiàn)一是熔絲兩端固定的螺栓處，二是熔絲在熔絲管兩端的金屬鑄件轉(zhuǎn)角處。 </p> <p> <br /> </p> <p> <br /> 哪些方面是我們選擇跌落式熔斷器需要注意的呢？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西熔斷器供應(yīng),熔斷器" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533562050781/8152803.jpg"></div><p style="text-indent:25px">高壓跌落式熔斷器三相的操作順序。停電操作時，應(yīng)先拉中間相，后拉兩邊相。送電時則先合兩邊相，后合中間相。停電時先拉中相的原因主要是考慮到中相切斷時的電流要小于邊相(電路一部分負(fù)荷轉(zhuǎn)由兩相承擔(dān))，因而電弧小，對兩邊相無危險。操作第二相(邊相)跌落式熔斷器時，電流較大，而此時中相已拉開，另兩個跌落式熔斷器相距較遠，可防止電弧拉長造成相間短路。遇到大風(fēng)時，要按先拉中間相，再拉背風(fēng)相，之后拉迎風(fēng)相的順序進行停電。送電時則先合迎風(fēng)相，再合背鳳相，末尾合中間相，這樣能夠防止風(fēng)吹電弧造成短路。熔斷器的安裝應(yīng)該注意什么？江西熔斷器供應(yīng)</p><p style="text-indent:25px">選擇跌落式熔斷器時，我們應(yīng)該先了解哪些方面？江西熔斷器供應(yīng)</p><p> 跌落式熔斷器由絕緣支架和熔絲管兩大部分組成，靜觸頭安裝在絕緣支架的兩端，動觸頭安裝在熔絲管的兩端，熔絲管由內(nèi)層的消弧管和外層環(huán)氧玻璃管組成。拉負(fù)荷跌落式熔斷器增加彈性輔助頭及滅弧罩，用以分、合負(fù)荷電流。跌落式熔斷器在下常運行時，熔絲管借助熔絲緊后形成閉位置。當(dāng)系統(tǒng)發(fā)生故障時，故障電流使熔絲通迅速熔斷，并形成電弧，消弧管受電弧灼熱，分解出大量的氣體，使管內(nèi)形成很高壓力，并沿管道形成縱吹，電弧被速拉長而熄滅。熔絲熔斷后，下部動觸頭失去張力而下翻，鎖緊機構(gòu)釋放熔絲管，熔絲管跌落，形成明顯的開斷位置。當(dāng)需要要拉負(fù)荷時。用絕緣桿拉開動觸頭，此時主動、靜助觸頭仍接觸，繼續(xù)用絕緣桿拉動觸頭，輔助觸頭也分離，在輔助觸頭之間產(chǎn)生電弧，電弧在滅弧罩狹縫中被拉長，同時滅弧罩產(chǎn)生氣體，在電流過零時，將電弧熄滅。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 江西熔斷器供應(yīng)</p><p style="text-indent:25px">江西百新電瓷電氣有限公司坐落工業(yè)園，交通便利，環(huán)境優(yōu)美，是一家生產(chǎn)型企業(yè)。是一家有限責(zé)任公司企業(yè)，隨著市場的發(fā)展和生產(chǎn)的需求，與多家企業(yè)合作研究，在原有產(chǎn)品的基礎(chǔ)上經(jīng)過不斷改進，追求新型，在強化內(nèi)部管理，完善結(jié)構(gòu)調(diào)整的同時，優(yōu)良的質(zhì)量、合理的價格、完善的服務(wù)，在業(yè)界受到***好評。公司目前擁有***員工301~500人人，具有[ "絕緣子", "電力元器件", "避雷器", "熔斷器" ]等多項業(yè)務(wù)。江西百新電瓷電氣自成立以來，一直堅持走正規(guī)化、專業(yè)化路線，得到了廣大客戶及社會各界的普遍認(rèn)可與大力支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/693526.html</p></div></div></div></div></div><div id="fjwdf3l" class="page-right twoColRt"><div id="cbip8vf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="i8nripw" 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" 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