鄭州弧光保護(hù) 歡迎咨詢江蘇基頓電氣供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="什么是弧光放電？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)象稱為“電離”?？諝獗浑婋x的同時(shí)，鄭州弧光保護(hù)，溫度隨之急劇上升產(chǎn)生電弧，這種放電稱為弧光放電。"><meta name="keywords" content="鄭州弧光保護(hù),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"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090209853516/2408474.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="27cyf8w" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090209853516/2408474.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ps872wk" 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>鄭州弧光保護(hù),弧光保護(hù)</p><p><span>***更新：</span>2020-07-26 19:17:32</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="78kgrcy" 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: </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] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="f8so8wd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tqhd83p" class="box"><p><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)象稱為“電離”?？諝獗浑婋x的同時(shí)，鄭州弧光保護(hù)，溫度隨之急劇上升產(chǎn)生電弧，這種放電稱為弧光放電?；」夥烹娨话悴恍枰芨叩碾妷海瑢儆诘碗妷捍箅娏鞣烹?。 </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，鄭州弧光保護(hù)，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。也就是說只要先接觸，之后又分開，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，鄭州弧光保護(hù)、帶電導(dǎo)體與地之間的電弧和絕緣表面的爬電。 </p> 弧光保護(hù)裝置專業(yè)銷售。鄭州弧光保護(hù)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鄭州弧光保護(hù),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090209853516/2408474.jpg"></div><p> 監(jiān)測(cè)及防護(hù) </p> <p> 當(dāng)?shù)蛪洪_關(guān)柜發(fā)生電弧，可以通過三種不同的設(shè)計(jì)理念保護(hù)操作人員和設(shè)備的安全: </p> <p> 改善設(shè)備的機(jī)械結(jié)構(gòu)，使之能夠承受電弧(被動(dòng)保護(hù)) </p> <p> 設(shè)備安裝限制內(nèi)部電弧效應(yīng)的裝置(主動(dòng)保護(hù)) </p> <p> 設(shè)備安裝限流斷路器 </p> <p> 這三種方案(可聯(lián)合使用)已在工業(yè)領(lǐng)域得到快速的發(fā)展，并為一些主要的低壓開關(guān)控制柜制造商普遍使用。 </p> <p> 其中限制內(nèi)部電弧效應(yīng)的裝置是一種主動(dòng)保護(hù)裝置，它含有機(jī)電/電子裝置，較被動(dòng)保護(hù)裝置更為復(fù)雜。 </p> <p> 主動(dòng)保護(hù)即通過安裝限制電弧的裝置，以防止內(nèi)部出現(xiàn)故障電弧。鄭州弧光保護(hù)專業(yè)生產(chǎn)弧光保護(hù)，歡迎來電咨詢。</p> <div style="background:#000000;opacity:0.22;position:absolute !important;left:0px !important;top:0px !important;border:0px none !important;padding:0px !important;z-index:100000;height:0px;width:0px;display:none;cursor:auto;"> </div><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鄭州弧光保護(hù),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210449219/7963429.jpg"></div><p> 電弧光保護(hù)與母線保護(hù) </p> <p> 電弧光保護(hù)是動(dòng)作時(shí)間**短的母線保護(hù)。 </p> <p> 而為什么其他母線保護(hù)的動(dòng)作時(shí)間那么長(zhǎng)，因?yàn)椤氨Ｗo(hù)配合”。電弧光保護(hù)只要滿足“電弧”和“過流”等判據(jù)就可立即發(fā)出跳閘指令。而其他母線保護(hù)（參考西門子公司7SD和7SJ62綜保裝置）當(dāng)滿足“過流”判據(jù)后還必須等待下級(jí)負(fù)載的“無過流匯報(bào)”后才可以發(fā)出跳閘指令。因?yàn)橄录?jí)負(fù)載短路和母線短路都會(huì)造成進(jìn)線開關(guān)“過流”，如果下級(jí)負(fù)載短路應(yīng)該讓下級(jí)負(fù)載開關(guān)來切除，母線短路則由母線進(jìn)線開關(guān)來切除。電弧光保護(hù)猶如手持尚方寶劍，而其他母線保護(hù)則就像一個(gè)團(tuán)隊(duì)，不敢輕舉妄動(dòng)。 </p> <p> 總上所述，采用電弧光母線保護(hù)可以在現(xiàn)有開關(guān)柜的電弧耐受時(shí)間標(biāo)準(zhǔn)以內(nèi)切除弧光短路故障，從而比較大限度地保護(hù)了附近工作人員，使開關(guān)裝置等配電設(shè)備免受損壞，很大減少了設(shè)備維修費(fèi)用及維修故障所需的停電時(shí)間，因而具有明顯的經(jīng)濟(jì)效益，為理想的中壓母線保護(hù)解決方案。 </p><p> 電弧光保護(hù)系統(tǒng)： </p> <p> <br /> </p> <p> .相電流電壓采集，主控單元可接入3個(gè)電壓和3個(gè)電流(或者6個(gè)電流，即2條線路) </p> <p> .弧光信號(hào)采集，主控單元可接入12路弧光(溫度)等各種輸出為20mA的傳感器，其中1路可接便攜式弧光傳感器 </p> <p> .6個(gè)準(zhǔn)雙工RS422差分通信接口，速率可達(dá)691.2kbps，可**多擴(kuò)展192個(gè)輔助單元 </p> <p> .全系統(tǒng)的電壓、電流、弧光動(dòng)作定值和溫度的報(bào)警設(shè)置的管理 </p> <p> .具有4個(gè)雙電子一機(jī)械繼電器控制輸出和1個(gè)電子繼電器控制輸出 </p> <p> .無延時(shí)情況下，單弧光啟動(dòng)判據(jù)時(shí)總故障出口時(shí)間小于3nis </p> <p> .電流和弧光雙啟動(dòng)判據(jù)時(shí)總故障出口時(shí)間小于6ms </p> <p> .全系統(tǒng)的保護(hù)動(dòng)作、告警、波形記錄等功能，邏輥均可采用后臺(tái)軟件進(jìn)行靈活組態(tài) </p> <p> .具有傳感器、輔助單元及其連接銅纜的連續(xù)監(jiān)測(cè)與報(bào)警功能 </p> <p> .如果電弧光傳感器持續(xù)動(dòng)作5s(時(shí)間可設(shè))以上，該傳感器的功能將從系統(tǒng)中自動(dòng)退出，并發(fā)出故障報(bào)警;一旦干擾光線消失，將立即恢復(fù)正常功能，故障報(bào)警自動(dòng)復(fù)位 </p> <p> .支持IRIG-B(DC)或主控單元自同步采樣 </p> <p> .錄波存儲(chǔ):4.8k/s采樣條件下可以保存32次持續(xù)3s的故障波形電弧光保護(hù)裝置全國(guó)招商。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鄭州弧光保護(hù),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210488281/9985773.jpg"></div><p> 爬電起火：爬電是指電弧不是建立在空氣間隙中的電弧，而是出現(xiàn)在設(shè)備絕緣表面上的電弧。例如電源插頭的絕緣表面上的一個(gè)或多個(gè)相線插腳和PE線插腳，之間的絕緣表面可能發(fā)生爬電。 </p> <p> <br /> </p> <p> 電弧光在中、低壓開關(guān)柜內(nèi)產(chǎn)生的主要因素是什么？ </p> <p> <br /> </p> <p> 使用了不良性能的導(dǎo)電體 </p> <p> <br /> </p> <p> 絕緣材料的損壞（包括：裂痕，進(jìn)水，老化等） </p> <p> <br /> </p> <p> 人體或其他物品意外地接觸到帶電的物品 </p> <p> <br /> </p> <p> 操作過程中的失誤或者設(shè)計(jì)或安裝錯(cuò)誤 </p> <p> <br /> </p> <p> 元件損壞，沒有良好的維修和保養(yǎng)設(shè)備 </p> <p> <br /> </p> <p> 過電壓 </p> <p> <br /> </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）電弧光保護(hù)監(jiān)控系統(tǒng)，歡迎來電咨詢。北海弧光保護(hù)多少錢</p><p style="text-indent:25px">弧光保護(hù)專業(yè)生產(chǎn)廠家。鄭州弧光保護(hù)</p><p> 電弧光在中、低壓開關(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> 操作過程中的失誤或者設(shè)計(jì)或安裝錯(cuò)誤 </p> <p> 元件損壞，沒有良好的維修和保養(yǎng)設(shè)備 </p> <p> 過電壓 </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)于太陽表面溫度的2~4倍，約為10000~20000°C）過高導(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 /> 鄭州弧光保護(hù)</p><p style="text-indent:25px">江蘇基頓電氣自動(dòng)化有限公司致力于儀器儀表，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。江蘇基頓電氣深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**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)" ]。依托效率源扎實(shí)的技術(shù)積累、完善的產(chǎn)品體系、深厚的行業(yè)基礎(chǔ)，目前擁有員工數(shù)101~300人，年?duì)I業(yè)額達(dá)到3000-5000萬元。江蘇基頓電氣創(chuàng)始人黃東，始終關(guān)注客戶，以優(yōu)化創(chuàng)新的科技，竭誠(chéng)為客戶提供比較好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/709802.html</p></div></div></div></div></div><div id="dfrnjpl" class="page-right twoColRt"><div id="vt2oe3k" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="g3z3tpq" 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="dwnza2b" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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