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tcPro"><section class="home-main container clearfix"><div id="auwyk3q" class="twoCol"><div id="ts7xjvh" 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_gkxtjzbyb/">工控系統(tǒng)及裝備</a>?<a href="http://www.cdcfah.com/cp/third-gkxtjzbyb_baohuqijq/">保護(hù)器</a>?濟(jì)南弧光保護(hù)批發(fā) 誠信經(jīng)營江蘇基頓電氣供應(yīng)</p><div id="2klnzgd" class="leftbox clearfix"><h1>濟(jì)南弧光保護(hù)批發(fā) 誠信經(jīng)營江蘇基頓電氣供應(yīng)</h1><div id="c2ogdf8" class="proBig"><div id="oa33fie" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090208583984/8274785.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="autv3la" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090208583984/8274785.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3aceb7s" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>濟(jì)南弧光保護(hù)批發(fā),弧光保護(hù)</p><p><span>***更新：</span>2020-07-20 08:14:32</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="b3gyv88" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇基頓電氣自動化有限公司</a></p><p><span>聯(lián)系人：</span>高經(jīng)理</p><p><span>郵箱: </span>215741001@qq.com</p><p><span>電話: </span>13328157222</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0510-85027009</p><p><span>地址: </span>長安鎮(zhèn)友誼路28號</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="7k3yf3c" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="uj2krj7" class="box"><p><p> 系統(tǒng)優(yōu)點 </p> <p> (1)動作迅速可靠 </p> <p> 跳閘回路采用了快速繼電器技術(shù)，確保保護(hù)系統(tǒng)在1ms內(nèi)發(fā)出跳閘信號，加上斷路器動作時間(35-60ms)，使開關(guān)柜內(nèi)部電弧光故障總切除時間控制在60ms以內(nèi)，而且在外觀上無明顯損壞。繼電保護(hù)裝置包括測量，濟(jì)南弧光保護(hù)批發(fā)、計算、自檢、動作等時間累計約44ms, 加上斷路器動作時間，差動保護(hù)和無時限電流速斷保護(hù)動作，故障切除時間約100ms。即使電流速斷保護(hù)比弧光保護(hù)多40ms,查看弧光危害示意圖，濟(jì)南弧光保護(hù)批發(fā)，電纜已經(jīng)燃燒。如果是帶時限電流速斷保護(hù)延時100ms、過電流Ⅰ段延時300ms，濟(jì)南弧光保護(hù)批發(fā),已經(jīng)達(dá)到柜體燃燒甚至的可能。弧光保護(hù)專業(yè)生產(chǎn)廠家。濟(jì)南弧光保護(hù)批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟(jì)南弧光保護(hù)批發(fā),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208583984/8274785.jpg"></div><p> 1.1 電弧光產(chǎn)生的原因 </p> <p> 引起開關(guān)柜弧光短路故障的原因很多，主要有：絕緣故障、載流回路不良、外來物體的進(jìn)入、人為操作錯誤、系統(tǒng)改變或故障等。 </p> <p> 1.2 電弧光的能量 </p> <p> 開關(guān)柜發(fā)生內(nèi)部弧光故障產(chǎn)生的短路功率可高達(dá)8~60 MW，所產(chǎn)生的能量與電弧的燃燒時間、短路電流的平方值、柜體幾何尺寸以及所使用的材料等因素有關(guān)，其中**主要的因素是短路故障電流及電弧燃燒的時間，電弧能量與有關(guān)電弧燃燒的時間的關(guān)系如圖所示。從圖中可以看出，電弧燃燒持續(xù)時間超過100 ms ，所釋放的能量開始急劇增加，接著各種故障效應(yīng)對開關(guān)設(shè)備的電纜、銅排以及鋼材造成嚴(yán)重?fù)p壞. </p> <p> <br /> 貴州弧光保護(hù)設(shè)計高性能弧光保護(hù)裝置，廠家直銷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟(jì)南弧光保護(hù)批發(fā),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208730469/6645876.jpg"></div><p> 開關(guān)柜電弧耐受時間與電弧光保護(hù)動作時間 </p> <p> IEC298《交流金屬封閉開關(guān)設(shè)備與控制設(shè)備》附錄AA中規(guī)定的內(nèi)部燃弧測試時間是0.1秒。目前市場上銷售的開關(guān)柜基本上是按照IEC298標(biāo)準(zhǔn)生產(chǎn)的，也就是說開關(guān)柜可以承受的電弧燃燒時間為0.1秒。 </p> 弧光保護(hù)動作時間主要由兩部分組成：裝置動作時間和開關(guān)動作時間?；」獗Ｗo(hù)裝置的動作時間根據(jù)各廠商的動作原理不同（光電探頭或光纖探頭等）一般在1~10毫秒，開關(guān)動作時間（參考GE公司VB1—13.8真空斷路器）一般在50~60毫秒。故電弧光保護(hù)動作時間小于開關(guān)柜電弧耐受時間，不會對開關(guān)柜造成嚴(yán)重?fù)p傷。<p> 有人提倡在低壓柜內(nèi)安裝弧光保護(hù)裝置，低壓柜內(nèi)一旦發(fā)生短路故障，弧光傳感器能立馬檢測到弧光信號，動作于低壓斷路器，時間會比傳統(tǒng)的通過檢測電流信號動作于低壓斷路器短，這樣的說法有道理嗎？低壓柜內(nèi)與中壓柜內(nèi)安裝弧光保護(hù)裝置有何區(qū)別呢？先聽聽大家怎么看，稍后我也會給出我的看法 </p> <p> <br /> </p> <p> 本帖***由 bzp4891 于 2016-5-19 12:02 編輯 </p> <p> 1、首先動作時間是否能保證在***擴(kuò)大前切除電源？這個不清楚 </p> <p> -----這個有時間可以保證，而且這個時間確實很短，一般廠家通過實際驗證后給出斷路器與弧光保護(hù)裝置在故障情況下動作的時間； </p> <p> 2、圖中是固定分割或抽屜柜，安裝在動力電纜室內(nèi)？這里發(fā)生短路的幾率很小，除非連接不可靠，端子布置不合理，按照這種檢測，抽屜或分隔內(nèi)和饋出線側(cè)發(fā)生的弧光短路***也無法及時切斷電源。這種檢測方式適用于固定柜。 </p> <p> ----弧光傳感器**合適的位置我認(rèn)為在主母線室內(nèi)，用于主母線發(fā)生短路故障情況下切斷主開關(guān)以防止***擴(kuò)大化，如果非要安裝在饋線柜例如抽屜柜或固定分隔柜的電纜室，一是安裝的傳感器的數(shù)量很多成本難以承受，二是如果抽屜回路的某一個回路發(fā)生，傳感器的檢測會不會誤動作，跳閘沒有發(fā)生故障的回路； </p> <p> <br /> 組屏弧光保護(hù)，歡迎來電咨詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟(jì)南弧光保護(hù)批發(fā),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5312785.jpg"></div><p> 廠用/配電中壓開關(guān)柜為全廠輔機(jī)/供電系統(tǒng)的供電樞紐。在發(fā)生內(nèi)部故障時，是否能迅速地切除故障，對全廠/配電系統(tǒng)的安全運行至關(guān)重要。但是，按目前的保護(hù)方案，存在以下幾個問題： </p> <p> ① 中壓母線尚沒有配置任何專門的保護(hù); 而是由進(jìn)線開關(guān)的相關(guān)后備保護(hù)來兼顧的; </p> <p> ② 進(jìn)線開關(guān)與出線開關(guān)的保護(hù)需要相互配合:一般速斷保護(hù)延時的級差至少為300ms，甚至500ms ; </p> <p> ③ 過流保護(hù)的配合級差更是長達(dá)1 – 2秒。 </p> <p> 所以，廠用/配電系統(tǒng)中壓母線上所發(fā)生的任何故障都至少要延時切除。換句話說，現(xiàn)有的廠用中壓母線能在**早時間切除故障的保護(hù)還是個空白?？墒牵覀冎灰约幼⒁?，就會不難發(fā)現(xiàn)不論是中壓開關(guān)母線的上游還是下游的諸多電氣設(shè)備無一沒有配有快速保護(hù)。相比之下，我們恐怕很難有充分的理由來說明，中壓母線的安全性可靠性應(yīng)該受到這樣的懈怠。鑒于中壓母線的重要地位，任何故障的延時切除，都是我們極為不愿意看到的狀況。因為開關(guān)柜內(nèi)的各種故障，其短路電流所產(chǎn)生的電弧及其大量的高溫，使柜內(nèi)氣體急劇膨脹，可在極短的時間內(nèi)達(dá)到頂峰，嚴(yán)重危及人身和設(shè)備安全。 </p> <p> <br /> 電弧光保護(hù)裝置**。甘肅弧光保護(hù)模塊</p><p style="text-indent:25px">超穩(wěn)定弧光保護(hù)，廠家直銷。濟(jì)南弧光保護(hù)批發(fā)</p><p style="text-indent:25px">在人類社會進(jìn)入知識經(jīng)濟(jì)時代、信息技術(shù)高速發(fā)展的背景下，儀器儀表及其測量控制技術(shù)得到日益廣泛應(yīng)用，給儀器儀表行業(yè)的快速發(fā)展提供了良好契機(jī)。經(jīng)過近十年來的建設(shè)與發(fā)展，我國儀器儀表已經(jīng)初步形成產(chǎn)品門類品種比較齊全，具有一定生產(chǎn)規(guī)模和開發(fā)能力的產(chǎn)業(yè)體系，成為亞洲除日本以外第二大儀器儀表生產(chǎn)國。隨著網(wǎng)絡(luò)消費的不斷遞增，而互聯(lián)網(wǎng)的的商業(yè)價值不斷被挖掘出來，呈爆發(fā)式增長，傳統(tǒng)的營銷模式將逐步被取代。有限責(zé)任公司企業(yè)要抓住機(jī)遇，融入到互聯(lián)網(wǎng)發(fā)展的行業(yè)中，為行業(yè)的發(fā)展提高競爭力。伴隨移動互聯(lián)網(wǎng)的爆發(fā)式增長，如今，它已經(jīng)漸漸取代電子商務(wù)成為了整個互聯(lián)網(wǎng)產(chǎn)業(yè)增速**快的領(lǐng)域，而移動終端的入口也隨即成為了傳統(tǒng)行業(yè)的必爭之地。[ "數(shù)顯電力儀表", "操控裝置", "弧光保護(hù)", "微機(jī)綜合保護(hù)" ]行業(yè)進(jìn)軍移動互聯(lián)網(wǎng)實現(xiàn)線上發(fā)展勢在必行。我國生產(chǎn)型發(fā)展迅速，年均增長速度超過20%。在相關(guān)報告中可以***了解到在我國工業(yè)基礎(chǔ)生產(chǎn)型產(chǎn)業(yè)現(xiàn)狀研究的成果。濟(jì)南弧光保護(hù)批發(fā)</p><p style="text-indent:25px">江蘇基頓電氣自動化有限公司成立于2019-08-05，注冊資本：3000-5000萬元。該公司生產(chǎn)型的公司。公司致力于為客戶提供安全、質(zhì)量有保障的質(zhì)量產(chǎn)品及服務(wù)，是一家有限責(zé)任公司企業(yè)。公司業(yè)務(wù)涵蓋[ "數(shù)顯電力儀表", "操控裝置", "弧光保護(hù)", "微機(jī)綜合保護(hù)" ]，價格合理，品質(zhì)有保證，深受廣大客戶的歡迎。江蘇基頓電氣自成立以來，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/658758.html</p></div></div></div></div></div><div id="udxyvho" class="page-right twoColRt"><div id="ujlifwd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vkhjqcz" 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(qiáng) 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(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="3b9fmj2" 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(xué)商務(wù)信息咨詢供應(yīng)" 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