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class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533639599609/8666814.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3fmo8jd" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533639599609/8666814.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2jahjqh" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>河北熔斷器供應商,熔斷器</p><p><span>***更新：</span>2020-07-07 00:30:03</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8j73rtv" 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="hwtf3s8" class="page-proshow02"><p class="title">詳細說明</p><div id="vumolse" class="box"><p><p> 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，鎖緊機構釋放熔絲管，熔絲管跌落，形成明顯的開斷位置。當需要要拉負荷時。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，河北熔斷器供應商，河北熔斷器供應商，在輔助觸頭之間產生電弧，電弧在滅弧罩狹縫中被拉長，同時滅弧罩產生氣體，河北熔斷器供應商，在電流過零時，將電弧熄滅。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 熔斷器選擇什么類型比較好？河北熔斷器供應商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北熔斷器供應商,熔斷器" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533639599609/8666814.jpg"></div><p> 熔斷器安裝在橫擔(構架)上應牢固可靠，不能有任何的晃動或搖晃現象。熔管應有向下25°±2°的傾角，以利熔體熔斷時熔管能依靠自身重量迅速跌落。熔斷器應安裝在離地面垂直距離不小于4m的橫擔(構架)上，若安裝在配電變壓器上方，應與配變的外輪廓邊界保持0.5m以上的水平距離，以防萬一熔管掉落引發(fā)其他***。熔管的長度應調整適中，要求合閘后鴨嘴舌頭能扣住觸頭長度的三分之二以上，以免在運行中發(fā)生自行跌落的誤動作，熔管亦不可頂死鴨嘴，以防止熔體熔斷后熔管不能及時跌落。所使用的熔體需要是正規(guī)廠家的標準產品，并具有一定的機械強度，通常要求熔體至少能承受147N以上的拉力。10kV跌落式熔斷器安裝在戶外，要求相間距離大于70cm </p> <p> <br /> </p> <p> <br /> 河北熔斷器供應商我們怎么選購熔斷器？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北熔斷器供應商,熔斷器" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533502812500/1137116.jpg"></div><p style="text-indent:25px">熔斷器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熔斷器的熔斷特性。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> 戶外式熔斷器，用來保護10kV電力變壓器和電力線路。由固定支持部分、活動熔管及熔絲組成，固定支持部分為瓷或合成絕緣體。其工作原理是：將熔絲穿入熔管內,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,成閉合狀態(tài)(合閘狀態(tài))并保持這一狀態(tài)。當被保護線路發(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備。 </p> <p> <br /> </p> <p> <br /> 熔斷器該如何去維護它呢？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北熔斷器供應商,熔斷器" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188533503652343/6659730.jpg"></div><p> 近幾年，我國的跌落式熔斷器產品的整體性能有著明顯的提升，同時制造企業(yè)的生產技術與加工工藝都向著期望的方向發(fā)展，跌落式熔斷器產品的品種與規(guī)格都在逐漸完善中，對于產品的**技術也在不斷摸索中，國內的企業(yè)在發(fā)展中不斷吸收發(fā)達國家的先進技術，更新改造新的技術，同時對產品大膽的創(chuàng)新，產品的整體適應性加強，能滿足國內不同工況的需求，改善了工藝的不足之處，生產的產品符合很高的質量水平，同時產品的各項性能接近于國際水平。我們知道跌落式熔斷器被廣多用于電力、石油、化工、環(huán)保、造紙、汽車、船舶等行業(yè)，是其電力系統(tǒng)中不可缺少的保護元件之一，為設備提供強有力的保護，間接的推動著我國工業(yè)的發(fā)展，同時保障工業(yè)生產的可靠性與電力系統(tǒng)的穩(wěn)定性，為各行業(yè)的正常運作有著重要的作用。 </p> <p> <br /> </p> <p> <br /> 熔斷器的型號那么多，該怎么選擇？河北熔斷器供應商</p><p style="text-indent:25px">熔斷器的參數和型號有哪些？河北熔斷器供應商</p><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熔斷器的熔斷特性。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。河北熔斷器供應商</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***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導，為客戶提供***的[ "絕緣子", "電力元器件", "避雷器", "熔斷器" ]。依托效率源扎實的技術積累、完善的產品體系、深厚的行業(yè)基礎，目前擁有員工數301~500人，年營業(yè)額達到1億元以上。江西百新電瓷電氣始終關注自身，在風云變化的時代，我們對自身的建設毫不懈怠，高度的專注與執(zhí)著使我們在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/518580.html</p></div></div></div></div></div><div id="ttg3rjg" class="page-right twoColRt"><div id="7ixoaxe" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="isurt2m" 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" 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</p></a></div><div id="7fhzbi3" 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" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學商務信息咨詢供應" class="vcenter" 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