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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>?數(shù)字化弧光保護(hù)分類歡迎咨詢江蘇基頓電氣供應(yīng)</p><div id="qzwjzlx" class="leftbox clearfix"><h1>數(shù)字化弧光保護(hù)分類歡迎咨詢江蘇基頓電氣供應(yīng)</h1><div id="ztpbnz3" class="proBig"><div id="luw33tk" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090209277344/1236657.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gkrdard" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090209277344/1236657.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="28jahjf" 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>數(shù)字化弧光保護(hù)分類,弧光保護(hù)</p><p><span>***更新：</span>2020-07-10 02:29:09</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="atk37q7" 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="dbsu8ei" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="hvhjabn" class="box"><p><p> 開關(guān)柜電弧耐受時(shí)間與電弧光保護(hù)動(dòng)作時(shí)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(cè)試時(shí)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(shí)間為0，數(shù)字化弧光保護(hù)分類.1秒。開關(guān)柜弧光保護(hù)，廠家直銷。數(shù)字化弧光保護(hù)分類</p> 弧光保護(hù)動(dòng)作時(shí)間主要由兩部分組成：裝置動(dòng)作時(shí)間和開關(guān)動(dòng)作時(shí)間?；」獗Ｗo(hù)裝置的動(dòng)作時(shí)間根據(jù)各廠商的動(dòng)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(dòng)作時(shí)間（參考GE公司VB1—13，數(shù)字化弧光保護(hù)分類.8真空斷路器）一般在50~60毫秒，數(shù)字化弧光保護(hù)分類。故電弧光保護(hù)動(dòng)作時(shí)間小于開關(guān)柜電弧耐受時(shí)間，不會(huì)對(duì)開關(guān)柜造成嚴(yán)重?fù)p傷。<div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="數(shù)字化弧光保護(hù)分類,弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090209277344/1236657.jpg"></div><p> <p> 電力系統(tǒng)由于各種的短路原因可引起弧光，弧光會(huì)以300m/s的速度爆發(fā)，摧毀途中的任何物質(zhì)。只要系統(tǒng)中不斷電，弧光就會(huì)一直存在。 </p> <p> 弧光保護(hù)裝置是**近幾年隨著光電技術(shù)的發(fā)展而發(fā)展起來的一種新型保護(hù)，是以電流和弧光為主要判據(jù)，與傳統(tǒng)保護(hù)相比增加了弧光（光強(qiáng)）這一判據(jù)。適用于35KV變電站、中低壓開關(guān)柜中，主要解決由于弧光短路引發(fā)的中低壓母線故障。 </p> <p> 開關(guān)柜中采用電弧光保護(hù)裝置可降低電弧光短路故障對(duì)于設(shè)備的損害，避免變壓器因近距離母線故障造成損壞，延長變壓器的使用壽命，縮短電弧光故障切除時(shí)間，避免波及站內(nèi)直流系統(tǒng)造成重大損失，減少因電弧光故障造成設(shè)備停運(yùn)的時(shí)間，更快地恢復(fù)供電。 </p> </p> <p> <br /> 南寧弧光保護(hù)裝置性價(jià)比高母線弧光保護(hù)，廠家直銷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="數(shù)字化弧光保護(hù)分類,弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210332031/5373647.jpg"></div><p> 帶電導(dǎo)體間的電弧性短路起火：短路起火時(shí)有兩種可能，其一是兩導(dǎo)體（如相線與中性線）接觸時(shí)因短路電流產(chǎn)生的高溫，使接觸點(diǎn)金屬熔化，之后金屬熔化成團(tuán)收縮而脫離接觸的過程，這種情況下可能建立電弧。又如線路絕緣水平嚴(yán)重下降，雷電產(chǎn)生的瞬態(tài)過電壓或電網(wǎng)故障產(chǎn)生的暫態(tài)過電壓都可能擊穿劣化的線路絕緣而建立電弧。電弧性短路的起火危險(xiǎn)遠(yuǎn)大于上述金屬性短路的起火危險(xiǎn)。 </p> <p> <br /> </p> <p> 接地故障電弧起火：由于接地故障發(fā)生的幾率遠(yuǎn)大于帶電導(dǎo)體間的短路”所以“接地故障電弧引起的火災(zāi)遠(yuǎn)多于帶電導(dǎo)體間的電弧火災(zāi)”這是因?yàn)椤半姎饩€路施工中，穿鋼管拉電線時(shí)帶電導(dǎo)體絕緣外皮之間并無因相對(duì)運(yùn)動(dòng)而產(chǎn)生的摩擦，但帶電導(dǎo)體絕緣外皮與鋼管間的摩擦卻使絕緣摩薄或受損。另外，發(fā)生雷擊時(shí)地面上出現(xiàn)瞬變電磁場，對(duì)電氣線路將感應(yīng)瞬態(tài)過電壓”此時(shí)“芯線上感應(yīng)的瞬態(tài)過電壓是基本相同的而電纜梯架則因接地而為地電壓”所以，芯線對(duì)地的電位差較大。從摩損和電位差大兩方面分析，接地故障電弧起火率自然偏高。 </p><p> 電弧光保護(hù)系統(tǒng)作用：電弧光保護(hù)系統(tǒng)具有非常快的動(dòng)作速度，對(duì)開關(guān)柜各單元室的總故障清掉時(shí)間可控制在100ms以內(nèi)。因此，在發(fā)生弧光故障、柜內(nèi)壓力和溫度急劇增加以前，電弧光保護(hù)系統(tǒng)就可以發(fā)出跳閘指令切除供給的短路電流，使設(shè)備損壞及人員傷害的損失減到**小。 </p> <p> 對(duì)于中低壓開關(guān)柜來講，以**快的速度切除故障意味著比較大限度地限制電弧燃燒釋放的能量，其益處是：1）保護(hù)附近工作人員免受電弧故障效應(yīng)的傷害；2）開關(guān)柜內(nèi)部部件的限制到**??；3）很大減少開關(guān)設(shè)備損壞的維修費(fèi)用；4）比較大限度地減少用戶停電時(shí)間，可盡快恢復(fù)生產(chǎn)；5）對(duì)于使用年限很長需要進(jìn)行改造的開關(guān)柜，采用電弧光保護(hù)可有效延長其使用壽命，從而減少對(duì)開關(guān)設(shè)備的投資費(fèi)用。 </p> <p> 電弧光保護(hù)作為中低壓母線保護(hù)，對(duì)配電系統(tǒng)還將提供以下益處：1）保護(hù)昂貴的主變壓器或廠用變壓器免受巨大的短路電流沖擊而損壞；2）防止波及站用直流系統(tǒng)，避免故障擴(kuò)大而造成經(jīng)濟(jì)損失。電弧光保護(hù)專業(yè)生產(chǎn)，性能穩(wěn)定，歡迎來電咨詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="數(shù)字化弧光保護(hù)分類,弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090209130859/8513785.jpg"></div><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、帶電導(dǎo)體與地之間的電弧和絕緣表面的爬電。 </p> <p> 帶電導(dǎo)體間的電弧性短路起火：短路起火時(shí)有兩種可能，其一是兩導(dǎo)體（如相線與中性線）接觸時(shí)因短路電流產(chǎn)生的高溫，使接觸點(diǎn)金屬熔化，之后金屬熔化成團(tuán)收縮而脫離接觸的過程，在這種情況下可能建立電弧?！坝秩缇€路絕緣水平嚴(yán)重下降，雷電產(chǎn)生的瞬態(tài)過電壓或電網(wǎng)故障產(chǎn)生的暫態(tài)過電壓都可能擊穿劣化的線路絕緣而建立電弧。”“電弧性短路的起火危險(xiǎn)遠(yuǎn)大于上述金屬性短路的起火危險(xiǎn)?！?工業(yè)用弧光保護(hù)裝置，專業(yè)提供。河南弧光保護(hù)怎么看</p><p style="text-indent:25px">專業(yè)設(shè)計(jì)生產(chǎn)電弧光保護(hù)裝置。數(shù)字化弧光保護(hù)分類</p><p style="text-indent:25px">儀器儀表行業(yè)本身是一個(gè)投入，產(chǎn)出周期較長的行業(yè)，所以作為業(yè)內(nèi)廠家，一方面要尋找中、短期市場熱點(diǎn)，另一方面也要在產(chǎn)品、技術(shù)研發(fā)方面有長遠(yuǎn)的規(guī)劃;儀器儀表在工業(yè)生產(chǎn)過程中扮演著重要的角色，用到各種各樣的儀器儀表，如[ "數(shù)顯電力儀表", "操控裝置", "弧光保護(hù)", "微機(jī)綜合保護(hù)" ]等為工業(yè)的檢驗(yàn)、測(cè)量和計(jì)量提供技術(shù)支撐。在國民經(jīng)濟(jì)運(yùn)行中，自動(dòng)化設(shè)備、電氣機(jī)械及器材、儀器儀表、電子產(chǎn)品的研發(fā)生、銷售；計(jì)算機(jī)硬件、電氣設(shè)備的技術(shù)研發(fā)、設(shè)計(jì)。電力儀表事業(yè)部主要產(chǎn)品包括：電力儀表系列、智能電動(dòng)機(jī)保護(hù)器系列、開關(guān)柜智能操控裝置系列、智慧用電監(jiān)控模塊系列、電量變送器系列，及系統(tǒng)集成系列產(chǎn)品。產(chǎn)品普遍用于冶金、石化、電力、建筑、市政等行業(yè)。等設(shè)備是提高勞動(dòng)生產(chǎn)率的倍增器，對(duì)國民經(jīng)濟(jì)有著巨大的輻射作用和影響力。美國商業(yè)部國家技術(shù)和標(biāo)準(zhǔn)研究院（NIST）提出的報(bào)告稱：美國90年代儀器儀表工業(yè)產(chǎn)值只占工業(yè)總產(chǎn)值的4%，但它對(duì)國民經(jīng)濟(jì)（GNP）的影響面卻達(dá)到66%。儀器儀表在工業(yè)發(fā)展中具有重要作用，這也使得儀器儀表得到快讀發(fā)展。各行各業(yè)對(duì)儀器儀表的市場需求也在不斷提升，加工企業(yè)正在發(fā)展中尋求技術(shù)創(chuàng)新和質(zhì)量提升。儀器儀表的質(zhì)量、性能關(guān)系到工業(yè)安全，必須重視。數(shù)字化弧光保護(hù)分類</p><p style="text-indent:25px">江蘇基頓電氣自動(dòng)化有限公司坐落在長安鎮(zhèn)友誼路28號(hào)，是一家專業(yè)的自動(dòng)化設(shè)備、電氣機(jī)械及器材、儀器儀表、電子產(chǎn)品的研發(fā)生、銷售；計(jì)算機(jī)硬件、電氣設(shè)備的技術(shù)研發(fā)、設(shè)計(jì)。電力儀表事業(yè)部主要產(chǎn)品包括：電力儀表系列、智能電動(dòng)機(jī)保護(hù)器系列、開關(guān)柜智能操控裝置系列、智慧用電監(jiān)控模塊系列、電量變送器系列，及系統(tǒng)集成系列產(chǎn)品。產(chǎn)品普遍用于冶金、石化、電力、建筑、市政等行業(yè)。公司。公司目前擁有101~300人員工，為員工提供廣闊的發(fā)展平臺(tái)與成長空間，為客戶提供高質(zhì)高效的產(chǎn)品服務(wù)，深受員工與客戶好評(píng)。江蘇基頓電氣自動(dòng)化有限公司主營業(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)" ]，堅(jiān)持“質(zhì)量***、質(zhì)量服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。公司力求給客戶提供***質(zhì)量服務(wù)，我們相信誠實(shí)正直、開拓進(jìn)取地為公司發(fā)展做正確的事情，將為公司和個(gè)人帶來共同的利益和進(jìn)步。經(jīng)過幾年的發(fā)展，已成為[ "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)**企業(yè)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/552911.html</p></div></div></div></div></div><div id="gfxjqmy" class="page-right twoColRt"><div id="qpwi77p" class="box01 margin10 clearfix"><h3><a 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