饋線(xiàn)弧光保護(hù)哪家質(zhì)量好誠(chéng)信經(jīng)營(yíng) 江蘇基頓電氣供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="1弧光保護(hù)**早出現(xiàn)在國(guó)外abb和vamp，但國(guó)內(nèi)百繼電保護(hù)的發(fā)展其實(shí)比國(guó)外快，也更完善，比如國(guó)內(nèi)多采用光纖型光纖傳感器代替早期的電纜型提高絕緣安全，采用紫外探頭代替可見(jiàn)光探頭來(lái)規(guī)避電力巡度檢時(shí)強(qiáng)光手電的誤判等。2集中和分散式各有優(yōu)劣，早期國(guó)"><meta name="keywords" content="饋線(xiàn)弧光保護(hù)哪家質(zhì)量好,弧光保護(hù)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> 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當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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>?饋線(xiàn)弧光保護(hù)哪家質(zhì)量好誠(chéng)信經(jīng)營(yíng) 江蘇基頓電氣供應(yīng)</p><div id="okq8age" class="leftbox clearfix"><h1>饋線(xiàn)弧光保護(hù)哪家質(zhì)量好誠(chéng)信經(jīng)營(yíng) 江蘇基頓電氣供應(yīng)</h1><div id="k8oea2s" class="proBig"><div id="kgekawu" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090210449219/7963429.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="0sywusy" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090210449219/7963429.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="i2wgw02" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>饋線(xiàn)弧光保護(hù)哪家質(zhì)量好,弧光保護(hù)</p><p><span>***更新：</span>2020-07-09 20:29:05</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="8288wi8" 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(dòng)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(huà): </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(zhǎng)安鎮(zhèn)友誼路28號(hào)</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="mkiwuio" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="o8uymc8" class="box"><p><p style="text-indent:25px">1 弧光保護(hù)**早出現(xiàn)在國(guó)外abb和vamp，但國(guó)內(nèi)百繼電保護(hù)的發(fā)展其實(shí)比國(guó)外快，也更完善，比如國(guó)內(nèi)多采用光纖型光纖傳感器代替早期的電纜型提高絕緣安全，采用紫外探頭代替可見(jiàn)光探頭來(lái)規(guī)避電力巡度檢時(shí)強(qiáng)光手電的誤判等。2 集中和分散式各有優(yōu)劣，早期國(guó)外是分散式的，國(guó)內(nèi)的集中式更多一些，從可靠性角度，饋線(xiàn)弧光保護(hù)哪家質(zhì)量好，集中式只有一個(gè)有源設(shè)備，光專(zhuān)纖和探頭都是無(wú)源，因此更可靠，饋線(xiàn)弧光保護(hù)哪家質(zhì)量好，對(duì)于柜子較多時(shí)，饋線(xiàn)弧光保護(hù)哪家質(zhì)量好，可采用兩臺(tái)集中或一臺(tái)加擴(kuò)屬展模塊的形式接入更多的探測(cè)點(diǎn)，國(guó)內(nèi)的南瑞基頓電氣等弧光保護(hù)都支持這種模式。高壓弧光保護(hù)**，廠(chǎng)家直銷(xiāo)，歡迎來(lái)電咨詢(xún)。饋線(xiàn)弧光保護(hù)哪家質(zhì)量好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="饋線(xiàn)弧光保護(hù)哪家質(zhì)量好,弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210449219/7963429.jpg"></div><p> 1.1 電弧光產(chǎn)生的原因 </p> <p> 引起開(kāi)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(lái)物體的進(jìn)入、人為操作錯(cuò)誤、系統(tǒng)改變或故障等。 </p> <p> 1.2 電弧光的能量 </p> <p> 開(kāi)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(shí)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(shí)間，電弧能量與有關(guān)電弧燃燒的時(shí)間的關(guān)系如圖所示。從圖中可以看出，電弧燃燒持續(xù)時(shí)間超過(guò)100 ms ，所釋放的能量開(kāi)始急劇增加，接著各種故障效應(yīng)對(duì)開(kāi)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 /> 東營(yíng)弧光保護(hù)哪家好弧光保護(hù)探頭廠(chǎng)家，歡迎來(lái)電咨詢(xún)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="饋線(xiàn)弧光保護(hù)哪家質(zhì)量好,弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5312785.jpg"></div><p> 開(kāi)關(guān)柜和控制柜內(nèi)電弧的發(fā)生 </p> <p> 主配電柜或大型的電氣設(shè)備(如變壓器或發(fā)電機(jī))附近短路能量高而且有故障產(chǎn)生時(shí)的電壓也很高。 </p> <p> 在柜體內(nèi)形成電弧的過(guò)程可分為四個(gè)階段: </p> <p> 壓縮階段:電弧占據(jù)了整個(gè)空氣空間，由于持續(xù)的釋放能量產(chǎn)生過(guò)熱，導(dǎo)致對(duì)流和輻射，保留在柜內(nèi)的空氣被加熱，在整個(gè)初級(jí)階段不同區(qū)域的溫度和壓力值不一樣。 </p> <p> 擴(kuò)展階段:從這一瞬間開(kāi)始，內(nèi)部壓力增加，由于過(guò)熱的空氣開(kāi)始流動(dòng)而形成一個(gè)空洞。在這個(gè)階段其壓力達(dá)到比較大值，并因?yàn)闊峥諝獾尼尫哦_(kāi)始減弱。 </p> <p> 發(fā)射階段:由于電弧能量的持續(xù)釋放，幾乎所有的空氣均被一個(gè)緩和但恒定的壓力擠壓出去。 </p> <p> 發(fā)熱階段:在驅(qū)逐出空氣后，柜內(nèi)的溫度幾乎達(dá)到電弧的溫度。***階段就由此開(kāi)始，直至熄滅。此時(shí)，所有金屬和絕緣體在受到產(chǎn)生的氣體、霧和溶蝕物質(zhì)顆粒的侵蝕后，已融為一體了。 </p> <p> 當(dāng)電弧出現(xiàn)在非常封閉的設(shè)備環(huán)境時(shí)，可能不會(huì)出現(xiàn)上述某些階段或者只有較少的影響;然而，在電弧的周?chē)?，?huì)形成壓力波、并導(dǎo)致溫度的上升。 </p><p> 電弧光在中、低壓開(kāi)關(guān)柜內(nèi)產(chǎn)生的主要因素是什么？ </p> <p> 使用了不良性能的導(dǎo)電體 </p> <p> 絕緣材料的損壞（包括：裂痕，進(jìn)水，老化等） </p> <p> 人體或其他物品意外地接觸到帶電的物品 </p> <p> 操作過(guò)程中的失誤或者設(shè)計(jì)或安裝錯(cuò)誤 </p> <p> 元件損壞，沒(méi)有良好的維修和保養(yǎng)設(shè)備 </p> <p> 過(guò)電壓 </p> <p> 電網(wǎng)結(jié)構(gòu)的改變（系統(tǒng)容量增大、電纜應(yīng)用增多） </p> <p> 電弧光的危害 </p> <p> 開(kāi)關(guān)設(shè)備內(nèi)部間隔發(fā)生故障而產(chǎn)生的電弧光會(huì)造成開(kāi)關(guān)設(shè)備中的壓力和溫度迅速增加，如不及時(shí)切除、將可能造成以下重大危害： </p> <p> 電弧光中心溫度（相當(dāng)于太陽(yáng)表面溫度的2~4倍，約為10000~20000°C）過(guò)高導(dǎo)致銅排、鋁排熔毀氣化； </p> <p> 電纜熔毀，電纜護(hù)套著火； </p> <p> 開(kāi)關(guān)設(shè)備劇烈振動(dòng)，使固定元件松脫； </p> <p> 使上一級(jí)變壓器承受近距離短路沖擊，故障電流產(chǎn)生的電動(dòng)力可能導(dǎo)致變壓器繞組變形引起匝間短路； </p> <p> <br /> </p> <p> 故障產(chǎn)生的弧光沖擊波以300m/s的速度爆發(fā)，可摧毀途中的任何物質(zhì)，若波及站內(nèi)直流系統(tǒng)導(dǎo)致全站直流失電，將造成無(wú)法彌補(bǔ)的重大損失； </p> <p> 燃燒產(chǎn)生的0氣體被人吸入會(huì)產(chǎn)生生命危險(xiǎn)； </p> <p> 高溫灼傷皮膚，強(qiáng)光刺傷眼睛 </p> <p> 爆破音振損傷耳膜，肺臟； </p> <p> 碎片飛射，造成人員傷亡。 </p> <p> <br /> 組屏弧光保護(hù)，歡迎來(lái)電咨詢(xún)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="饋線(xiàn)弧光保護(hù)哪家質(zhì)量好,弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208583984/7334798.jpg"></div><p> 什么是弧光放電？ </p> <p> 當(dāng)兩電極間電壓升高時(shí)，在電極**近處空氣中的正負(fù)離子被電場(chǎng)加速，在移動(dòng)的過(guò)程中與其它空氣分子碰撞產(chǎn)生新的離子，這種離子大量增加的現(xiàn)象稱(chēng)為“電離”?？諝獗浑婋x的同時(shí)，溫度隨之急劇上升產(chǎn)生電弧，這種放電稱(chēng)為弧光放電?；」夥烹娨话悴恍枰芨叩碾妷?，屬于低電壓大電流放電。 </p> <p> 弧光放電產(chǎn)生的條件是小間隙和大電流，如果增加間隙或減小電流，電弧將會(huì)消失。 </p> <p> <p> 電弧光是怎樣形成的？ </p> <p> 電弧性短路起火：如將兩電極接觸后再拉開(kāi)建立了電弧，則維持此10mm 長(zhǎng)的電弧只需20V 的電壓。也就是說(shuō)只要先接觸，之后又分開(kāi)，很可能產(chǎn)生局部溫度很高的電弧而成為起火源。按電弧發(fā)生的不同部分可分為帶電導(dǎo)體間的電弧、帶電導(dǎo)體與地之間的電弧和絕緣表面的爬電。 </p> 高精度弧光保護(hù)，專(zhuān)業(yè)生產(chǎn)廠(chǎng)家，歡迎來(lái)電咨詢(xún)。東營(yíng)弧光保護(hù)哪家好</p><p style="text-indent:25px">電弧光保護(hù)廠(chǎng)家直銷(xiāo)，可提供OEM，歡迎來(lái)電咨詢(xún)。饋線(xiàn)弧光保護(hù)哪家質(zhì)量好</p><p> 1.概述 </p> <p> 中、低壓母線(xiàn)在發(fā)生短路故障、運(yùn)行人員誤操作和誤入帶電間隔等原因產(chǎn)生的電弧光對(duì)設(shè)備及人員造成的危害極大。電弧光使開(kāi)關(guān)設(shè)備內(nèi)的壓力和溫度迅速升高，如不及時(shí)切除，容易造成電纜護(hù)套著火和母線(xiàn)熔毀，并且產(chǎn)生大量有害氣體傷害呼吸系統(tǒng)、高溫灼傷皮膚和刺傷眼睛。短路故障時(shí)，開(kāi)關(guān)設(shè)備劇烈震動(dòng)使固定件松動(dòng)脫落、甚至導(dǎo)致開(kāi)關(guān)柜造成人員傷亡。中低壓母線(xiàn)系統(tǒng)中一般不配置**的快速母線(xiàn)保護(hù)，而是依賴(lài)上一級(jí)的后備過(guò)流保護(hù)切除母線(xiàn)故障，過(guò)流保護(hù)有延時(shí)，這就導(dǎo)致故障切除時(shí)間較長(zhǎng)，增加了設(shè)備的損害程度。電弧光保護(hù)系統(tǒng)原理簡(jiǎn)單、動(dòng)作迅速可靠，能夠有效減輕電弧光對(duì)設(shè)備和人身的傷害。饋線(xiàn)弧光保護(hù)哪家質(zhì)量好</p><p style="text-indent:25px">江蘇基頓電氣自動(dòng)化有限公司坐落長(zhǎng)安鎮(zhèn)友誼路28號(hào)，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(chǎng)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(guò)不斷改進(jìn)，追求新型，在強(qiáng)化內(nèi)部管理，完善結(jié)構(gòu)調(diào)整的同時(shí)，優(yōu)良的質(zhì)量、合理的價(jià)格、完善的服務(wù)，在業(yè)界受到***好評(píng)。以滿(mǎn)足顧客要求為己任；以顧客永遠(yuǎn)滿(mǎn)意為標(biāo)準(zhǔn)；以保持行業(yè)**為目標(biāo)，提供***的[ "數(shù)顯電力儀表", "操控裝置", "弧光保護(hù)", "微機(jī)綜合保護(hù)" ]。江蘇基頓電氣以創(chuàng)造***產(chǎn)品及服務(wù)的理念，打造高指標(biāo)的服務(wù)，引導(dǎo)行業(yè)的發(fā)展。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/550844.html</p></div></div></div></div></div><div id="goiqes8" class="page-right twoColRt"><div id="y8cig8e" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="eukaoes" 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="8kowu88" 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(gè)科目真誠(chéng)推薦寧波助學(xué)商務(wù)信息咨詢(xún)供應(yīng)" 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