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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zlzx999" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keaton/637255090208583984/7334798.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xpxndrx" 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>秦皇島弧光保護(hù)批發(fā),弧光保護(hù)</p><p><span>***更新：</span>2020-07-18 06:17:24</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="nzp95tj" 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="jnd9f9l" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="jdlt99h" class="box"><p><p> 一旦發(fā)生電弧光故障,這一裝置可以迅速可靠動(dòng)作,切除故障電源,準(zhǔn)確定位故障點(diǎn)，秦皇島弧光保護(hù)批發(fā)。對(duì)于變電所、大型企業(yè)用電的各種運(yùn)行方式,可以具體情況和客戶需要靈活配置,適應(yīng)性強(qiáng)。JD9900B電弧光保護(hù)綜合測(cè)控系統(tǒng)是我公司根據(jù)市場(chǎng)需要開(kāi)發(fā)的新一代產(chǎn)品,系統(tǒng)動(dòng)作準(zhǔn)確,反應(yīng)靈敏,可靠性高。JD9900B采用分布式模式設(shè)計(jì),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(dú)保護(hù)饋線以減小***停電范圍。饋線單元也可運(yùn)行于集中監(jiān)控模式,通過(guò)某一主單元與調(diào)度通信，秦皇島弧光保護(hù)批發(fā)。JD9900B 電弧光保護(hù)采用檢測(cè)弧光和電流為輸入量，秦皇島弧光保護(hù)批發(fā),可單獨(dú)做為過(guò)流保護(hù),純弧光保護(hù),及弧光與過(guò)流雙判據(jù)保護(hù)。本系統(tǒng)具有原理簡(jiǎn)單、動(dòng)作可靠迅速、對(duì)一次設(shè)備無(wú)特殊要求、適應(yīng)于各種運(yùn)行方式的優(yōu)點(diǎn)。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(shí)間,消除其對(duì)人身的危害,比較大限度地降低弧光對(duì)電氣設(shè)備的損壞程度,避免主變壓器等設(shè)備長(zhǎng)時(shí)間遭受短路電流的沖擊而損壞,阻斷故障的擴(kuò)大。弧光保護(hù)裝置專業(yè)銷(xiāo)售。秦皇島弧光保護(hù)批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="秦皇島弧光保護(hù)批發(fā),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208583984/7334798.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(kāi)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(guò)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(méi)有良好的維修和保養(yǎng)設(shè)備 </p> <p> <br /> </p> <p> 過(guò)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）高壓弧光保護(hù)怎么操作弧光保護(hù)專業(yè)生產(chǎn)廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="秦皇島弧光保護(hù)批發(fā),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090210488281/9985773.jpg"></div><p> 電弧光保護(hù)系統(tǒng)具備傳統(tǒng)低壓保護(hù)裝置的許多功能，并能夠記錄故障事件和波形，從而為故障的分析提供重要的基礎(chǔ)數(shù)據(jù)。電弧光保護(hù)是一種快速可靠的**母線保護(hù)系統(tǒng)，采用檢測(cè)弧光和過(guò)流雙判據(jù)原理，具有原理簡(jiǎn)單、動(dòng)作可靠迅速、對(duì)變電站一次設(shè)備無(wú)特殊要求、適應(yīng)于各種運(yùn)行方式、且在各種運(yùn)行方式下保護(hù)不需要切換等優(yōu)點(diǎn)，為目前發(fā)電廠、變電站、工業(yè)及商業(yè)配電系統(tǒng)母線保護(hù)理想的解決方案。 </p> <p> <br /> </p> <p> 什么是弧光放電？ </p> <p> <br /> </p> <p> 當(dāng)兩電極間電壓升高時(shí)，電極**近處空氣中的正負(fù)離子被電場(chǎng)加速，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)象稱為電離”空氣被電離的同時(shí)，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?，屬于低電壓大電流放電。 </p> <p> <br /> </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> <br /> </p> <p> 電弧光是怎樣形成的 </p> <p> <br /> </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> <p> <br /> </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(guò)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(guò)電壓或電網(wǎng)故障產(chǎn)生的暫態(tài)過(guò)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(wú)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(chǎng)，對(duì)電氣線路將感應(yīng)瞬態(tài)過(guò)電壓”此時(shí)“芯線上感應(yīng)的瞬態(tài)過(guò)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。高精度弧光保護(hù)，專業(yè)生產(chǎn)廠家，歡迎來(lái)電咨詢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="秦皇島弧光保護(hù)批發(fā),弧光保護(hù)" src="https://tyunfile.71360.com/UploadFile/keaton/637255090208583984/8274785.jpg"></div><p> 電弧光保護(hù)系統(tǒng)由以下主要部件組成： </p> <p> 1）弧光保護(hù)主控單元：主單元為電弧光保護(hù)系統(tǒng)的控制中心，收集動(dòng)作信號(hào)并對(duì)收集的數(shù)據(jù)進(jìn)行處理、判斷、發(fā)出跳閘信號(hào)以切除故障。設(shè)備自帶四路輸出接口分別為弧光跳閘出口1、弧光跳閘出口2、弧光跳閘出口3、跳閘總出口4。設(shè)備支持ModBUS-RTU規(guī)約，可通過(guò)后臺(tái)對(duì)設(shè)備進(jìn)行參數(shù)設(shè)置、實(shí)時(shí)數(shù)據(jù)讀取、故障信息讀取、復(fù)歸等操作，方便組網(wǎng)運(yùn)行。 </p> <p> 2）采集單元：弧光采集單元與主控單元配合使用，是弧光保護(hù)系統(tǒng)的重要組成部分，主要用于采集故障弧光，并將判斷后的結(jié)果通過(guò)光信號(hào)傳遞給主控單元。單個(gè)弧光采集單元可以安裝,16個(gè)弧光探頭，根據(jù)系統(tǒng)的大小可以任意增減弧光采集單元的數(shù)量?；」獠杉瘑卧ǔ０惭b在選定的開(kāi)關(guān)柜內(nèi)中，選擇的原則是保證該單元相關(guān)光纖用量盡量少。 </p> <p> 3）弧光傳感器：專門(mén)用于故障弧光采集，是無(wú)源的弧光探測(cè)傳感器，安裝在開(kāi)關(guān)柜的母線室內(nèi)或饋線柜內(nèi)電氣元件的連接處。當(dāng)發(fā)生弧光故障時(shí)，光照度大幅度增加，弧光傳感器直接將光信號(hào)傳給弧光采集單元或饋線保護(hù)單元。電弧光保護(hù)裝置廠家直銷(xiāo)。宜昌智能弧光保護(hù)</p><p style="text-indent:25px">高性能弧光保護(hù)裝置，廠家直銷(xiāo)。秦皇島弧光保護(hù)批發(fā)</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(wú)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的故障波形秦皇島弧光保護(hù)批發(fā)</p><p style="text-indent:25px">江蘇基頓電氣自動(dòng)化有限公司注冊(cè)資金3000-5000萬(wàn)元，是一家擁有101~300人***員工的企業(yè)。江蘇基頓電氣致力于為客戶提供質(zhì)量的[ "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(chéng)信為本的理念，打造儀器儀表質(zhì)量品牌。截止當(dāng)前，我公司年?duì)I業(yè)額度達(dá)到3000-5000萬(wàn)元，爭(zhēng)取在一公分的領(lǐng)域里做出一公里的深度。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/636098.html</p></div></div></div></div></div><div id="zfvlb9n" class="page-right twoColRt"><div id="pl9lp9x" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="l7lxnlj" class="recomPic 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