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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="9g4iaav" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/bhswsm/637394113205987465/8813570.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="f9982e9" 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>新疆維吾爾自治區(qū)</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>阿克蘇密集型耐火母線槽廠,母線</p><p><span>***更新：</span>2021-02-04 05:19:27</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="2ycsjgk" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新疆博環(huán)勝旺商貿(mào)有限公司</a></p><p><span>聯(lián)系人：</span>王濤</p><p><span>郵箱: </span>464997687@qq.com</p><p><span>電話: </span>15739582120</p><p><span>傳真: </span>0991_</p><p><span>網(wǎng)址: </span>http://www.xjbhsw.com</p><p><span>手機(jī): </span>0991-6659709</p><p><span>地址: </span>新疆米米東南路西3巷1151號(hào)華凌建材進(jìn)出口基地土產(chǎn)區(qū)27棟16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="aen3x0m" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="jjjh8nj" class="box"><p><p> 本公司主要經(jīng)營(yíng):生產(chǎn)加工電纜橋架，抗震支架，JDG穿線管，電纜橋架廠家生產(chǎn)直銷，大眾型號(hào)均有現(xiàn)貨庫存，抗震支架銷售及安裝，JDG穿線管庫存300噸以上。歡迎來電咨詢！可分為：分段絕緣式、全連式和帶限流電抗器的全連式共三種。其中第三種在我國(guó)尚未采用。封閉母線常見問題編輯分析及處理1、原因分析(1)有資料表明，由于全連式封閉母線外殼環(huán)流的集膚效應(yīng)與鄰近效應(yīng)，三相并排布置圓管載流導(dǎo)體的中相附加電阻與三相平均附加電阻之比接近2倍，因此中相封閉母線外殼的溫升都高于邊相。(2)發(fā)電機(jī)封閉母線伸縮節(jié)處內(nèi)藏12片截面120mm×10mm的跨接鋁排（均勻分布），鑒于圓導(dǎo)體的集膚效損耗系數(shù)Kf=r/r0≈1(式中：r是交流電阻，r0是直流電阻)，可認(rèn)為封閉母線外殼回路由于電磁感應(yīng)而產(chǎn)生的環(huán)流也是均勻分布的，即正常情況下每片跨接鋁排通過的環(huán)流約為發(fā)電機(jī)負(fù)荷電流的1/12。(3)該伸縮節(jié)處的跨接鋁排雖為內(nèi)藏式，阿克蘇密集型耐火母線槽廠，但可初步判斷過熱處的內(nèi)藏跨接鋁排有接觸不良現(xiàn)象，阿克蘇密集型耐火母線槽廠。根據(jù)全連式封閉母線外殼環(huán)流損耗的計(jì)算公式Pc=I2krkoKf，阿克蘇密集型耐火母線槽廠.式中Ik為外殼環(huán)流；rko為外殼直流電阻；Kf為外殼的集膚效應(yīng)損耗系數(shù)，在厚度不大于8mm時(shí)可取為1。顯見，隨著過熱處內(nèi)藏跨接鋁排的接觸不良。呼圖壁密集型耐火母線制造廠家。阿克蘇密集型耐火母線槽廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="阿克蘇密集型耐火母線槽廠,母線" src="https://tyunfile.71360.com/WaterMark/UploadFile/bhswsm/637394113205987465/8813570.png"></div><p> 本公司主要經(jīng)營(yíng):生產(chǎn)加工電纜橋架，抗震支架，JDG穿線管，電纜橋架廠家生產(chǎn)直銷，大眾型號(hào)均有現(xiàn)貨庫存，抗震支架銷售及安裝，JDG穿線管庫存300噸以上。歡迎來電咨詢！它以銅或鋁作為導(dǎo)體、用非烯性絕緣支撐，然后裝到金屬槽中而形成的新型導(dǎo)體。在日本真正實(shí)際應(yīng)用是在昭和29年(即1954年)，自那以后母線槽得到了發(fā)展。如今在高層筑、工廠等電氣設(shè)備、電力系統(tǒng)上成了不可缺少的配線方式。由于大樓、工廠等各種建筑電力的需要，而且這種需要有逐年增加的趨勢(shì)，使用原來的電路接線方式，即穿管方式，施工時(shí)帶來許多困難，而且，當(dāng)要變更配電系統(tǒng)時(shí)，要使其變簡(jiǎn)單一些幾乎是不可能的，然而，如果采用母線槽的話，非常容易就可以達(dá)到目的，另外還可使建筑物變得更加美觀。從經(jīng)濟(jì)方面來說，母線槽本身與電纜比較，價(jià)格貴一些，但是與包含配線用的各種附件及整個(gè)電力系統(tǒng)相比較使用母線槽可以使建設(shè)費(fèi)用就便宜多了(請(qǐng)看簡(jiǎn)圖)，特別是電流容量大的情況下，這種情況就更加明顯了。[1]母線槽簡(jiǎn)介編輯隨著現(xiàn)代化工程設(shè)施和裝備的涌現(xiàn)，各行各業(yè)的用電量迅增，尤其是眾多的高層建筑和大型廠房車間的出現(xiàn)，作為輸電導(dǎo)線的傳統(tǒng)電纜在大電流輸送系統(tǒng)中已不能滿足要求。阿克蘇母線槽價(jià)格吐魯番密集型耐火母線制造廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="阿克蘇密集型耐火母線槽廠,母線" src="https://tyunfile.71360.com/WaterMark/UploadFile/bhswsm/637394112710664870/2056553.png"></div><p> 本公司主要經(jīng)營(yíng):生產(chǎn)加工電纜橋架，抗震支架，JDG穿線管，電纜橋架廠家生產(chǎn)直銷，大眾型號(hào)均有現(xiàn)貨庫存，抗震支架銷售及安裝，JDG穿線管庫存300噸以上。歡迎來電咨詢！熱)水管各距離多長(zhǎng)設(shè)一伸縮節(jié)?采用何種伸縮節(jié)比較好?給水管給水水管2004-02-26建筑給排水排水橫管多長(zhǎng)才伸縮節(jié)排水橫管多長(zhǎng)才伸縮節(jié)排水橫管排水橫管2004-03-17建筑給排水排水管伸縮節(jié)的設(shè)置請(qǐng)教：排水管伸縮節(jié)的設(shè)置是否應(yīng)該按規(guī)范設(shè)置。排水管排水水管2004-08-10建筑給排水地下塑料管伸縮節(jié)總是各位大俠，請(qǐng)問地下停車庫排水管（吊管）約40米，管材為塑料管，規(guī)范規(guī)定4米用一個(gè)伸縮節(jié)，請(qǐng)問各位你們?cè)O(shè)計(jì)或施工時(shí)遇同樣情況時(shí)如何處理。2002-06-13市政給排水管線上閘閥是否設(shè)伸縮節(jié)原來設(shè)計(jì)時(shí)有個(gè)不成文的規(guī)定：管線上閘閥不設(shè)伸縮節(jié).蝶閥設(shè)伸縮節(jié)。使用過程中雖然閘閥大部分的維修保養(yǎng)不拆卸就可完成但需要拆卸時(shí)還是會(huì)想到伸縮節(jié)的好處啊管線2003-05-09建筑給排水這種情況伸縮節(jié)怎么安裝有個(gè)問題向各位大哥請(qǐng)教,一趟排水立管.離頂200mm有個(gè)三通,是地漏.下面離頂800mm還有一個(gè)三通是空調(diào)水.不知道伸縮節(jié)是加在上面的三通處還是下面的三通.急急!!!! </p><p> 本公司主要經(jīng)營(yíng):生產(chǎn)加工電纜橋架，抗震支架，JDG穿線管，電纜橋架廠家生產(chǎn)直銷，大眾型號(hào)均有現(xiàn)貨庫存，抗震支架銷售及安裝，JDG穿線管庫存300噸以上。歡迎來電咨詢！當(dāng)周圍空氣溫度為+20℃)。4、當(dāng)工作條件有特殊要求時(shí)、我廠可按特殊要求制造。[1]母線槽主要技術(shù)參數(shù)額定電壓:660V。額定頻率50Hz(或60Hz)。絕緣電阻值:每段母線槽單元的絕緣電阻應(yīng)大于或等于20兆歐姆，用戶安裝時(shí)，應(yīng)先檢查絕緣電阻值后再進(jìn)行安裝。絕緣強(qiáng)度，每一段母線槽單元出廠前均經(jīng)受到50Hz3750V/Min工頻耐壓試驗(yàn)。短路強(qiáng)度(承載短路強(qiáng)度的能力)：母線槽能承受表2規(guī)定的短時(shí)間耐受電流和額定峰值耐受電流所產(chǎn)生的熱應(yīng)力和電動(dòng)力。[1]母線槽性能比較編輯1.母線槽散熱性能好.電纜的絕緣材料（芯線絕緣和外皮絕緣）既是絕緣材料，又是隔熱材料，因此電力電纜在橋架內(nèi)敷設(shè)時(shí)，多允許敷設(shè)2層，其原因是考慮散熱。母線槽利用空氣傳導(dǎo)散熱，并通過緊密接觸的鋼制外殼，把熱量散發(fā)出去，因此它的散熱性能和電纜相比，電纜散熱性能可見一斑了。2.母線槽幾乎不必維護(hù)，日常維護(hù)通常是測(cè)量外殼和穿芯螺栓的溫升、進(jìn)線箱的接頭溫升等，穿芯螺栓若采用，則需要定期緊固，若采用。阿克蘇市密集型耐火母線的價(jià)格。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="阿克蘇密集型耐火母線槽廠,母線" src="https://tyunfile.71360.com/WaterMark/UploadFile/bhswsm/637394112439215792/8954344.png"></div><p> 由于外殼的屏蔽作用，使相間導(dǎo)體所受的短路電動(dòng)力大為降低。（4）母線封閉后，便有可能采用微正壓運(yùn)行方式，防止絕緣子結(jié)露，提高運(yùn)行安全可靠性，為母線采用通風(fēng)冷卻方式創(chuàng)造了條件。（5）封閉母線由工廠成套生產(chǎn)，質(zhì)量較有保證，運(yùn)行維護(hù)工作量小，施工安裝簡(jiǎn)便，而且不需設(shè)置網(wǎng)欄，簡(jiǎn)化了結(jié)構(gòu)，也簡(jiǎn)化了對(duì)土建結(jié)構(gòu)的要求。在200MW及以上發(fā)電機(jī)引出線回路中，采用分相封閉母線的優(yōu)點(diǎn)是：由于母線封閉在外殼內(nèi)，不受環(huán)境和污穢影響，防止相間短路和消除外界潮氣、灰塵引起的接地故障，同時(shí)由于外殼多點(diǎn)接地，保證人觸及時(shí)的安全；由于外殼渦流和環(huán)流的屏蔽作用，使殼內(nèi)的磁場(chǎng)大為減弱，外部短路時(shí)，母線間的電動(dòng)力降低；當(dāng)電流通過母線時(shí)，外殼感應(yīng)出來的環(huán)流也屏蔽了殼外磁場(chǎng)，解決了附近鋼構(gòu)的發(fā)熱問題；外殼可作為強(qiáng)制冷卻的通道，提高了母線的載流量；安裝維護(hù)工作量小。不過也有些缺點(diǎn)，主要是：由于環(huán)流和渦流的存在，外殼將產(chǎn)生損耗；有色金屬消耗量大；母線散熱條件差。分相封閉母線按外殼電氣連接方式的不同，可分為：分段絕緣式、全連式和帶限流電抗器的全連式共三種。其中第三種在我國(guó)尚未采用。封閉母線常見問題編輯分析及處理1、原因分析(1)有資料表明。石河子密集型耐火母線制造廠家。博州母線槽怎么樣</p><p style="text-indent:25px">巴音郭楞密集型耐火母線哪里買。阿克蘇密集型耐火母線槽廠</p><p> 本公司主要經(jīng)營(yíng):生產(chǎn)加工電纜橋架，抗震支架，JDG穿線管，電纜橋架廠家生產(chǎn)直銷，大眾型號(hào)均有現(xiàn)貨庫存，抗震支架銷售及安裝，JDG穿線管庫存300噸以上。歡迎來電咨詢！降溫效果明顯，5號(hào)發(fā)電機(jī)組圓滿完成了迎峰度夏任務(wù)。(2)210MW負(fù)荷時(shí)，用鉗型電流表測(cè)得新加裝的B?相封閉母線伸縮節(jié)處連接小鋁排每根通過的電流均在25A左右，達(dá)到了預(yù)期的分流目的。4、結(jié)束語通過以上200MW發(fā)電機(jī)組封閉母線伸縮節(jié)軟接箱外側(cè)法蘭局部過熱的發(fā)現(xiàn)、分析與處理，建議有大型機(jī)組的發(fā)電廠應(yīng)重視以下事項(xiàng)：(1)遠(yuǎn)紅外測(cè)溫儀用于電氣專業(yè)運(yùn)行現(xiàn)場(chǎng)的巡檢是非常必要和重要的；(2)應(yīng)將發(fā)電機(jī)的封閉母線伸縮節(jié)列入電氣專業(yè)巡檢設(shè)備，將發(fā)熱作為重要巡檢內(nèi)容；(3)一旦發(fā)現(xiàn)伸縮節(jié)外法蘭處有超溫現(xiàn)象，在短期無停機(jī)的機(jī)會(huì)時(shí)，可采用運(yùn)行中處理方案，減少機(jī)組的非計(jì)劃停運(yùn)；(4)機(jī)組檢修時(shí)，應(yīng)針對(duì)發(fā)電機(jī)封閉母線運(yùn)行中溫升高的具體情況，認(rèn)真檢查并修復(fù)伸縮節(jié)處內(nèi)藏跨接鋁排的接口，以充分保障發(fā)電機(jī)組的可用性。參考資料1.詹曉華,王穎.淺談封閉母線設(shè)計(jì)安裝缺陷及改進(jìn)措施[J].江西電力,2005(01):34-35.．中國(guó)知網(wǎng)．2005-02-28[引用日期2017-12-20]2.侯永軍,王吉榮,張仲琪。阿克蘇密集型耐火母線槽廠</p><p style="text-indent:25px">新疆博環(huán)勝旺商貿(mào)有限公司致力于建筑、建材，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。博環(huán)勝旺作為經(jīng)營(yíng)范圍包括銷售：建材、有色金屬、五交化產(chǎn)品、機(jī)電產(chǎn)品、金屬材料、勞保用品、土產(chǎn)日雜、家具、廚具、鋼材、金屬制品、辦公用品、紡織品、日用百貨、工藝品、塑料制品、機(jī)械設(shè)備、電子產(chǎn)品（二手手機(jī)除外）、電氣產(chǎn)品、保溫防水材料，消防器材，鋼材，管材管件，石材、照明燈具、家用電器。的企業(yè)之一，為客戶提供良好的銷售，建材，有色金屬，五交化產(chǎn)品。博環(huán)勝旺始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。博環(huán)勝旺始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使博環(huán)勝旺在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3153804.html</p></div></div></div></div></div><div id="9amspkj" class="page-right twoColRt"><div id="ndtzao2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oblqayl" 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" 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