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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="onbie9t" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188274784755859/5254454.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="g8utjhd" 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>福建瓷瓶絕緣子,絕緣子</p><p><span>***更新：</span>2021-01-22 03:06:05</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="aoacor8" 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="fsyfw4g" class="page-proshow02"><p class="title">詳細說明</p><div id="thikbpw" class="box"><p><p style="text-indent:25px">玻璃絕緣子自爆的原因可分為產(chǎn)品自身質(zhì)量原因與外部運行環(huán)境原因兩類，產(chǎn)品質(zhì)量由于主要是玻璃絕緣子玻璃件內(nèi)部含有雜質(zhì)顆粒外部原因，主要是污穢和溫差變化。雜質(zhì)顆粒位于玻璃件的內(nèi)部張應力層時，產(chǎn)生自爆的概率更高，因玻璃本身是一種脆性材料，耐壓但不耐拉，所以玻璃的大部分破碎是張應力引發(fā)的。在積污、受潮和電場三者同時作用下，絕緣子表面泄露電流過大，福建瓷瓶絕緣子，產(chǎn)生部分干帶，干帶位置發(fā)生空氣擊穿時，產(chǎn)生的電弧將蝕傷玻璃傘裙，當蝕傷深度較深時將造成自爆。如果上述過程中絕緣子遭受雷擊，已經(jīng)受到電弧侵蝕的玻璃絕緣子自爆概率將大幅增加，福建瓷瓶絕緣子，福建瓷瓶絕緣子。積污過重是其中關鍵，可能是積污鹽密過高，也可能是污穢中金屬粉末顆粒過多。選購絕緣子什么材質(zhì)會比較好？福建瓷瓶絕緣子</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建瓷瓶絕緣子,絕緣子" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188274784755859/5254454.jpg"></div><p style="text-indent:25px">對瓷絕緣子而言，當絕緣子頭部瓷件存在細微裂紋等缺點，隨著運行中潮氣的侵入，絕緣子頭部絕緣電阻降低（形成零值絕緣子），一旦絕緣子串遭受雷擊或其他原因造成的閃絡，由于頭部電阻很小、沿傘盤放電距離較長電阻相對較大，所以大部分能量都從瓷絕緣子頭部的放電通道泄放，電弧從絕緣子頭部通過時產(chǎn)生的熱量使絕緣子炸開，產(chǎn)生斷串。瓷絕緣子的膠裝界面工藝不良、瓷件材質(zhì)不良會導致零值絕緣子的產(chǎn)生瓷絕緣子膠裝界面存在瓷、水泥、鋼等散熱膨脹系數(shù)不同的材質(zhì)，一般需要涂覆瀝青等材料作為緩沖層，當如緩沖層太薄或與瓷、水泥等材質(zhì)配合度不夠，絕緣子承受外界溫度變化導致界面開裂。瓷絕緣子瓷件中存在砂眼，或瓷件晶粒尺寸過大，長期運行中瓷件內(nèi)部產(chǎn)生微裂紋，裂紋擴展到一定程度導致低零值絕緣子的產(chǎn)生。重慶高壓線路針式瓷絕緣子絕緣子有哪一些優(yōu)點？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建瓷瓶絕緣子,絕緣子" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188274768730468/178455.jpg"></div><p style="text-indent:25px">現(xiàn)在常用的絕緣子有:陶瓷絕緣子,玻璃鋼絕緣子,合成絕緣子,半導體絕緣子。架空線路中所用絕緣子,常用的有針式絕緣子、蝶式絕緣子、懸式絕緣子、瓷橫擔、棒式絕緣子和拉緊絕緣子等。按應用場合又分為線路絕緣子和電站、電器絕緣子。其中用于線路的可擊穿型絕緣子有針式、蝶形、盤形懸式,不可擊穿型有橫擔和棒形懸式。用于電站、電器的可擊穿型絕緣子有針式支柱絕緣子、空心支柱和套管,不可擊穿型有棒形支柱和容器瓷套。四、按結(jié)構(gòu)可分為柱式(支柱)絕緣子、懸式絕緣子、防污型絕緣子和套管絕緣子。五、絕緣子通常分為可擊穿型和不可擊穿型。</p><p style="text-indent:25px">高壓輸配電系統(tǒng)所用的絕緣子產(chǎn)品，傳統(tǒng)以來一直是采用陶瓷材料制造，形成了一門專業(yè)的電瓷生產(chǎn)工業(yè)。但是從上世紀開始，出現(xiàn)了用玻璃制造的絕緣子產(chǎn)品。這樣做益于三個方面的重要因素：一是玻璃材料優(yōu)良的介電特性及去污易潔作用；二是玻璃鋼化后的很**度及易檢查維護性能；三是玻璃制品的成型技術發(fā)展，使玻璃絕緣子具備了一定得市場競爭能力。利用玻璃比陶瓷優(yōu)異的多的成型特性，發(fā)展先進的玻璃壓制成型技術，將使鋼化玻璃絕緣子產(chǎn)品在市場上取得了更大、更多的應用。如何才能買到一個質(zhì)量好的絕緣子？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建瓷瓶絕緣子,絕緣子" src="http://tyunfile.71360.com/UploadFile/pxbaixin/637188274770126953/2202262.jpg"></div><p style="text-indent:25px">絕緣子主要應用于電網(wǎng)領域，“智能電網(wǎng)”的建設將為絕緣子行業(yè)帶來巨大的發(fā)展機遇：持續(xù)大量的投資將為行業(yè)提供廣闊的市場空間；電網(wǎng)建設的升級將有助于行業(yè)的優(yōu)化與整合，形成新競爭格局，引導具有新技術、新材料、新產(chǎn)品的公司獲得更大的市場空間，因而有更多的資源支持技術創(chuàng)新，持續(xù)帶動行業(yè)升級進步。電網(wǎng)建設的大規(guī)模投入為絕緣子行業(yè)的發(fā)展提供了根本保證。除此之外，電氣化鐵路的建設與海外市場的不斷拓展也為絕緣子行業(yè)提供了新的市場機遇。不同的絕緣子有什么不同的優(yōu)點？蘇州懸式瓷復合絕緣子</p><p style="text-indent:25px">絕緣子的維護方法有哪些？福建瓷瓶絕緣子</p><p style="text-indent:25px">玻璃絕緣子具有零值自爆的特性，自爆原因一是來自制造過程中玻璃中的雜質(zhì)和結(jié)瘤，若雜質(zhì)和結(jié)瘤分布在內(nèi)張力層時，在產(chǎn)品制成后的一段時間內(nèi)，部分會發(fā)生自爆。所以制造單位在產(chǎn)品制造后應存放一段時間，以便發(fā)現(xiàn)制造中存在的質(zhì)量隱患。若雜質(zhì)或結(jié)瘤分布在外壓縮層，在輸電線路上運行一段時間后，在遇到強烈的冷熱溫差和機電負荷作用下，有可能引發(fā)玻璃絕緣件自爆。另外，運行中玻璃絕緣子在表面的積污層受潮后，在工頻電壓作用下會發(fā)生局部放電。由局部放電引起的長期發(fā)熱會導致玻璃件絕緣下降，引起零值自爆。福建瓷瓶絕緣子</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，是一家生產(chǎn)型的公司。江西百新電瓷電氣致力于為客戶提供良好的絕緣子，電力元器件，避雷器，熔斷器，一切以用戶需求為中心，深受廣大客戶的歡迎。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于電工電氣行業(yè)的發(fā)展。江西百新電瓷電氣立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術理念，飛快響應客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2952478.html</p></div></div></div></div></div><div id="e2seata" class="page-right twoColRt"><div id="cbcea4k" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3kgxo4i" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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