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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_qtgkxtjzbdn/">其他工控系統(tǒng)及裝備</a>?云南弧光保護裝置哪個廠家質(zhì)量好歡迎來電上海麥哥思電氣供應(yīng)</p><div id="8oubsjv" class="leftbox clearfix"><h1>云南弧光保護裝置哪個廠家質(zhì)量好歡迎來電上海麥哥思電氣供應(yīng)</h1><div id="gfr2cws" class="proBig"><div id="fszfmya" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shmgsdq/637244451984892578/2327561.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wl7n3qx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shmgsdq/637244451984892578/2327561.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rbawdz3" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>云南弧光保護裝置哪個廠家質(zhì)量好,弧光保護裝置</p><p><span>***更新：</span>2021-01-26 18:16:15</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="jnkc8np" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海麥哥思電氣有限公司</a></p><p><span>聯(lián)系人：</span>高先生</p><p><span>郵箱: </span>945506508@qq.com</p><p><span>電話: </span>18916582772</p><p><span>傳真: </span>021_33592772</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>021-33592771</p><p><span>地址: </span>元江路5500號第1幢</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="c5qextz" class="page-proshow02"><p class="title">詳細說明</p><div id="7bn32sz" class="box"><p><p style="text-indent:25px">弧光傳感器的抗干擾能力如何？答：弧光保護系統(tǒng)通過光的強度（光照度）來判斷超過整定值的光。一般情況下，辦公室、會議室的光照度為200-750Lux，制圖室、電腦室等的光照度為300-1500Lux。在中低壓變電站室內(nèi)加上金屬鎧裝開關(guān)柜的封閉性，其母線倉、小車倉及電纜倉能接收的光強度一般不會超過1000Lux。而發(fā)生弧光故障時，其光照度可達100KLux，云南弧光保護裝置哪個廠家質(zhì)量好，遠遠超過了普通光源。弧光保護系統(tǒng)一般推薦整定在30KLux左右，云南弧光保護裝置哪個廠家質(zhì)量好，可以屏蔽所有日常的干擾光源，云南弧光保護裝置哪個廠家質(zhì)量好。另外電焊的光照度可以達到弧光保護整定值范圍內(nèi)，在裝有弧光保護系統(tǒng)并且沒有投入附助電流閉鎖功能，開關(guān)柜7米范圍內(nèi)不得使用電焊。若工程需要，必須臨時增加遮光板或暫時退出弧光保護系統(tǒng)（退出跳閘出口保護壓板即可）。微機綜合保護系統(tǒng)質(zhì)量口碑麥哥思電氣。云南弧光保護裝置哪個廠家質(zhì)量好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南弧光保護裝置哪個廠家質(zhì)量好,弧光保護裝置" src="https://tyunfile.71360.com/UploadFile/shmgsdq/637244451984892578/2327561.jpg"></div><p style="text-indent:25px">4、強大的電氣性能：故障弧光探頭、連接線全部采用耐高溫、阻燃的高分子材料，具有****的電氣隔離效果。智能弧光保護裝置裝置完全滿足EMC的標(biāo)準，保證了弧光保護系統(tǒng)的整體穩(wěn)定性和動作的可靠性。 5、故障信息記錄**** 在故障弧光發(fā)生并引起裝置跳閘后，主控單元或饋線保護單元可以準確的記錄是哪個弧光探頭檢測到了故障弧光，且可以詳細記錄動作時刻的三相電流值以及動作時刻的故障弧光光強。 6、多種輔助保護功能主控單元不但有弧光保護，還有過流保護，接地保護、斷路器失靈等輔助保護，這些保護是弧光保護的合理配置和有效補充。浙江高質(zhì)量弧光保護裝置高質(zhì)量微機綜合保護系統(tǒng)生產(chǎn)廠家上海麥哥思電氣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南弧光保護裝置哪個廠家質(zhì)量好,弧光保護裝置" src="https://tyunfile.71360.com/UploadFile/shmgsdq/637244451982919922/3530540.jpg"></div><p style="text-indent:25px">問：電弧光是怎樣形成的？答：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。（1）帶電導(dǎo)體間的電弧性短路起火：前邊講到短路起火時指出有兩種可能，其一是兩導(dǎo)體（如相線與中性線）接觸時因短路電流產(chǎn)生的高溫，使接觸點金屬熔化，之后金屬熔化成團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?！薄半娀⌒远搪返钠鸹鹞ｋU遠大于上述金屬性短路的起火危險?！?/p><p style="text-indent:25px">消弧裝置與弧光保護的區(qū)別是什么（已經(jīng)安裝了消弧消諧裝置，為什么還要裝弧光保護裝置）？答：消弧裝置為當(dāng)系統(tǒng)饋線發(fā)生單相接地故障時（非****性故障，可持續(xù)運行2小時），系統(tǒng)電容放電，消弧柜中的消弧線圈進行補償限制系統(tǒng)電壓的升高，減少或消除接地時產(chǎn)生的電弧。具統(tǒng)計，在開關(guān)柜內(nèi)的故障80%左右，為單相接地故障，但是由于開關(guān)柜的空間及絕緣距離有限，單相接地故障很短時間內(nèi)就會引發(fā)為相間故障并伴隨電弧光。母線弧光保護系統(tǒng)為當(dāng)母線發(fā)生相對相或相對地弧光故障時（****性故障），采集柜內(nèi)弧光信號，同時采集進線的過流信號，快速的選擇性切除故障。綜上，兩個設(shè)備保護的對象和作用完全不同。消弧柜針對饋線，弧光保護針對母線。消弧裝置為了保證供電設(shè)備正常運行，而母線弧光保護系統(tǒng)是在供電系統(tǒng)發(fā)生弧光故障時，可以在100ms內(nèi)切除故障，****限度地保護人身安全并減少財產(chǎn)損失。高質(zhì)量弧光保護裝置上海麥哥思電氣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南弧光保護裝置哪個廠家質(zhì)量好,弧光保護裝置" src="https://tyunfile.71360.com/UploadFile/shmgsdq/637244451982783203/890605.jpg"></div><p style="text-indent:25px">母線差動保護分為哪幾種？母線差動保護用通俗的定義，就是按照收、支平衡的原理進行判斷和動作的。分母線完全差動保護和不完全差動保護。母線完全差動保護：是將母線上所有的各連接元件的電流互感器按同名相、同極性連接到差動回路，電流互感器的特性與變比均應(yīng)相同，若變比不能相同時，可采用補償變流器進行補償，滿足ΣI=0。母線不完全差動保護：只需將連接于母線的各有電源元件上的電流互感器,接入差動回路,在無電源元件上的電流互感器不接入差動回路。因此在無電源元件上發(fā)生故障,它將動作。電流互感器不接入差動回路的無電源元件是電抗器或變壓器。微機保護有哪幾部分組成？微機保護是用微型計算機構(gòu)成的繼電保護，是電力系統(tǒng)繼電保護的發(fā)展方向，它具有高可靠性，高選擇性，高靈敏度，微機保護裝置硬件包括微處理器（單片機）為****，配以輸入、輸出通道，人機接口和通訊接口等。該系統(tǒng)****應(yīng)用于電力、石化、礦山冶煉、鐵路以及民用建筑等。質(zhì)量微機綜合保護系統(tǒng)上海麥哥思電氣。浙江弧光保護裝置價格是多少</p><p style="text-indent:25px">微機綜合保護系統(tǒng)生產(chǎn)廠家麥哥思電氣。云南弧光保護裝置哪個廠家質(zhì)量好</p><p style="text-indent:25px">1.弧光保護實現(xiàn)功能及保護范圍應(yīng)至少包括以下部分 a、要求對10KV系統(tǒng)進線柜的母線室及斷路器室實現(xiàn)電弧光保護，當(dāng)母線室及斷路器室出現(xiàn)弧光故障時跳開主進線斷路器。要求對電壓互感器柜的母線室實現(xiàn)電弧光保護，當(dāng)出現(xiàn)弧光故障時跳開主進線斷路器。對出線柜的母線室、斷路器室及電纜室實現(xiàn)電弧光保護（需安裝智能弧光保護裝置）。當(dāng)母線室出現(xiàn)弧光故障時跳開主進線斷路器，當(dāng)斷路器室及電纜室出線弧光故障時跳開本柜斷路器（需安裝饋線弧光保護裝置）。對母聯(lián)柜及母聯(lián)隔離柜母線室實現(xiàn)電弧光保護，當(dāng)出現(xiàn)弧光故障時由弧光保護裝置根據(jù)運行供電關(guān)系發(fā)主跳閘指令。 B、要求每段母線采用一套弧光保護裝置，當(dāng)系統(tǒng)供電模式發(fā)生變化時弧光保護裝置自主檢測并調(diào)整保護方式。要求對母線室采用光纖傳感器方式進行弧光保護，對斷路器室及電纜室采用點式傳感器方式進行保護。云南弧光保護裝置哪個廠家質(zhì)量好</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3022092.html</p></div></div></div></div></div><div id="ueb2ml8" class="page-right twoColRt"><div id="veqs53o" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8hj23h7" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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