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class="twoCol"><div id="m2fu87v" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://m.cdcfah.com/cp/second-dgdq_gkxtjzbyb/">工控系統(tǒng)及裝備</a>?<a href="http://m.cdcfah.com/cp/third-gkxtjzbyb_baohuqijq/">保護(hù)器</a>?無錫國產(chǎn)弧光保護(hù) 歡迎來電江蘇基頓電氣供應(yīng)</p><div id="mb4zgs0" class="leftbox clearfix"><h1>無錫國產(chǎn)弧光保護(hù) 歡迎來電江蘇基頓電氣供應(yīng)</h1><div id="82btlnr" class="proBig"><div id="7nelnuo" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090209130859/8513785.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bpzaxjb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090209130859/8513785.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mgqhoqn" 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>無錫國產(chǎn)弧光保護(hù),弧光保護(hù)</p><p><span>***更新：</span>2021-01-26 03:07:02</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="shzgyk7" 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="luw8vxe" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="jyfr88j" class="box"><p><p> 一人操作斷開輔柜總電源開關(guān)將輔柜7-12組300kvar電容器與主回路隔離。然后兩人對第八組電容器投切交流接觸器（檢查前運行人員發(fā)現(xiàn)其中相接觸不良）及其他5個投切交流接觸器的接線端子進(jìn)行檢查。11時，檢查完畢，二人關(guān)好柜門。11時零1分，操作合上輔柜總電源開關(guān)——此時一聲巨響，在總電源開關(guān)上口裸露接線端子根部之間突發(fā)三相弧光短路。幾乎與此同時，3＃變壓器二次側(cè)出線403低壓斷路器和一次側(cè)進(jìn)線212高壓斷路器的過電流脫扣器短路瞬時保護(hù)動作跳閘，3＃變壓器停電。圖5發(fā)生事故的SIWOH1系列開關(guān)圖6開關(guān)上口接線端子根部弧光短路3事故分析3-1操作問題一、操作規(guī)程（一）關(guān)于電力電容器的操作規(guī)程按照相關(guān)規(guī)程的要求，在操作電力電容器時必須遵守以下規(guī)定：1.全站停電操作時，要先停電容器組，后停接于電容器組母線上的各出線。2.全站恢復(fù)送電時，要先送接于電容器組母線上的各出線，再送電容器組。3.全站故障失去電源后，對失壓保護(hù)拒動的電容器組，必須將電容器與電源斷開，以免電源重合閘時損壞電容器。4.電容器組保護(hù)熔絲熔斷后，未查明原因，不準(zhǔn)更換熔絲送電，無錫國產(chǎn)弧光保護(hù)，無錫國產(chǎn)弧光保護(hù)，無錫國產(chǎn)弧光保護(hù)。5.電容器因內(nèi)部故障掉閘后，在未拆除故障電容器前，禁止重新合閘送電。紫外光弧光保護(hù)探頭，專業(yè)生產(chǎn)。無錫國產(chǎn)弧光保護(hù)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫國產(chǎn)弧光保護(hù),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090209130859/8513785.jpg"></div><p> 主動保護(hù)有以下兩種常見的、可行的方法: </p> <p> 1) 通過壓力傳感器進(jìn)行監(jiān)測 </p> <p> 2) 通過弧光傳感器進(jìn)行監(jiān)測 </p> <p> 第一種方法(采用壓力傳感器作為電弧光探測單元) </p> <p> 壓力波是裝置內(nèi)出現(xiàn)電弧***的效應(yīng)之一，它將在電弧出現(xiàn)后的10-15毫秒后出現(xiàn)，可以安裝一些壓力傳感器用于探測壓力峰值。當(dāng)內(nèi)部的壓力達(dá)到設(shè)定值時，電弧監(jiān)測裝置發(fā)出動作指令，控制開關(guān)器件動作。但是要預(yù)先確定電弧在柜內(nèi)產(chǎn)生的過壓值并非易事。 </p> <p> 第二種方法(采用光纖傳感器作為電弧光探測單元) </p> <p> 弧光監(jiān)測器的操作邏輯如下:電弧現(xiàn)象會產(chǎn)生強烈的光輻射，因此柜體內(nèi)出現(xiàn)的弧光可以被弧光傳感器探測到。當(dāng)弧光監(jiān)控系統(tǒng)探測到故障，會發(fā)出動作信號給斷路器。這種方法的探測反應(yīng)時間*為1毫秒。秦皇島弧光保護(hù)模塊高精度弧光保護(hù)，廠家直銷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫國產(chǎn)弧光保護(hù),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210458984/175496.jpg"></div><p style="text-indent:25px"> 一旦發(fā)生電弧光故障,這一裝置可以迅速可靠動作,切除故障電源,準(zhǔn)確定位故障點。對于變電所、大型企業(yè)用電的各種運行方式,可以具體情況和客戶需要靈活配置,適應(yīng)性強。JD9900B電弧光保護(hù)綜合測控系統(tǒng)是我公司根據(jù)市場需要開發(fā)的新一代產(chǎn)品,系統(tǒng)動作準(zhǔn)確,反應(yīng)靈敏,可靠性高。JD9900B采用分布式模式設(shè)計,適合作為中低壓母線保護(hù),具備靈活的組性。其中饋線保護(hù)單元可形成小化保護(hù)系統(tǒng),單獨保護(hù)饋線以減小***停電范圍。饋線單元也可運行于集中監(jiān)控模式,通過某一主單元與調(diào)度通信。JD9900B 電弧光保護(hù)采用檢測弧光和電流為輸入量,可單獨做為過流保護(hù),純弧光保護(hù),及弧光與過流雙判據(jù)保護(hù)。本系統(tǒng)具有原理簡單、動作可靠迅速、對一次設(shè)備無特殊要求、適應(yīng)于各種運行方式的優(yōu)點。JD9900B是發(fā)電廠、變電站、工業(yè)及商業(yè)配電系統(tǒng) 380V~35kV 中低壓母線保護(hù)的理想解決方案。使用 JD9900B電弧光保護(hù),可以快速切除故障,從根本上限制故障電弧延續(xù)時間,消除其對人身的危害,比較大限度地降低弧光對電氣設(shè)備的損壞程度,避免主變壓器等設(shè)備長時間遭受短路電流的沖擊而損壞,阻斷故障的擴(kuò)大。</p><p> 電弧光保護(hù)裝置的主要作用： </p> <p> 1、減專少或降低電弧光對于人體的傷害。 </p> <p> 2、減少或降低電弧光短路故障對于設(shè)備的損害。 </p> <p> 3、避免變壓器因近距離母線故障造成動穩(wěn)定破壞，延長變壓器的使用壽命。 </p> <p> 4、縮短電弧光故障切除時間，避免波及站內(nèi)直流系統(tǒng)造成重大損失。 </p> <p> 5、減少因電弧光故障造成設(shè)備停運的時屬間，更快地恢復(fù)供電。 </p> <p> 主要應(yīng)用于以下場合 </p> <p> 1、電力變電站。 </p> <p> 2、火電廠電氣段開關(guān)柜母線室及饋線柜。 </p> <p> 3、風(fēng)電場升壓站集電線路開關(guān)柜。 </p> <p> 4、箱式變電站。專業(yè)生產(chǎn)電弧光保護(hù)裝置廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫國產(chǎn)弧光保護(hù),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210449219/7963429.jpg"></div><p> 但是經(jīng)驗證明：過量補償過電壓的數(shù)值很少﹥2Ue。這個數(shù)量級恐怕還難以一手造成相間弧光短路。三、高次諧振過電壓（一）在供用電系統(tǒng)中，產(chǎn)生諧波的根本原因是由于向具有非線性阻抗特性電氣設(shè)備供電的結(jié)果。這些非線性負(fù)荷在工作時向電源反饋高次諧波（基波頻率整倍數(shù)的正弦波分量），導(dǎo)致供電系統(tǒng)的電壓、電流波形畸變。所有非線性負(fù)荷都能產(chǎn)生諧波，主要有：整流設(shè)備；視頻設(shè)備；辦公自動化設(shè)備（計算機(jī)、復(fù)印機(jī)、打印機(jī)、傳真機(jī)等）；UPS電源設(shè)備；智能照明設(shè)備；變頻調(diào)速設(shè)備；電梯設(shè)備；電弧設(shè)備等。（二）由于智能樓宇中安裝著大量電力電子設(shè)備，同時這些設(shè)備產(chǎn)生的諧波又具有較大的振幅，所以它們是目前智能樓宇供用電系統(tǒng)中的主要諧波源。其中：計算機(jī)產(chǎn)生的諧波以3、5、7次為主（筆記本便攜式計算機(jī)產(chǎn)生的諧波頻譜更加）。復(fù)印機(jī)產(chǎn)生的諧波以3、5、7、9、11、13次為主?？勺冾l驅(qū)動裝置產(chǎn)生的諧波以5、7次為主。三相六脈沖橋式可控硅整流的UPS電源產(chǎn)生的諧波以5、7次為（該大廈UPS屬于此種類型）。三相十二脈沖橋式可控硅整流的UPS電源產(chǎn)生的諧波以11、13次為。單相供電的UPS產(chǎn)生的諧波則以3次為主。統(tǒng)計表明：由整流裝置產(chǎn)生的諧波占所有諧波的近40%?；」獗Ｗo(hù)生產(chǎn)廠家，歡迎來電咨詢。山東饋線弧光保護(hù)</p><p style="text-indent:25px">耐用型弧光保護(hù)，廠家直銷，歡迎咨詢。無錫國產(chǎn)弧光保護(hù)</p><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。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。弧光保護(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。無錫國產(chǎn)弧光保護(hù)</p><p style="text-indent:25px">江蘇基頓電氣自動化有限公司致力于儀器儀表，是一家生產(chǎn)型的公司。江蘇基頓電氣致力于為客戶提供良好的數(shù)顯電力儀表，操控裝置，弧光保護(hù)，微機(jī)綜合保護(hù)，一切以用戶需求為中心，深受廣大客戶的歡迎。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造儀器儀表良好品牌。江蘇基頓電氣秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3011856.html</p></div></div></div></div></div><div id="azwogsp" class="page-right twoColRt"><div id="882g7ul" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ysuw8tq" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img 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