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id="3nnfcgh" class="leftbox clearfix"><h1>安徽變壓器絕緣系統(tǒng) 服務(wù)至上展榮新精密電子供應(yīng)</h1><div id="y332gif" class="proBig"><div id="v7q2vcz" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368292333984/8679976.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tn8a8u8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368292333984/8679976.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8xzw2sh" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>安徽變壓器絕緣系統(tǒng),變壓器</p><p><span>***更新：</span>2020-07-13 21:21:38</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="gamoqxz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市展榮新精密電子有限公司</a></p><p><span>聯(lián)系人：</span>喻孟峨</p><p><span>郵箱: </span>113527410@qq.com</p><p><span>電話: </span>15012892536</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0755-27923475</p><p><span>地址: </span>航城街道黃田社區(qū)崗貝工業(yè)區(qū)綜合樓10棟401</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="y22xmy2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rli3s3y" class="box"><p><p style="text-indent:25px">過去在進(jìn)行電纜耐壓試驗時都采用直流耐壓試驗。在1980年左右，國外電力部門發(fā)現(xiàn)直流耐壓試驗對橡塑絕緣是無效的且具有危害性。我國在九十年代開始研究和實踐交流耐壓試驗技術(shù)。經(jīng)過20多年的研究和實踐，世界各國紛紛采用交流耐壓試驗代替直流耐壓試驗。國內(nèi)外有關(guān)標(biāo)準(zhǔn)機(jī)構(gòu)也對于高壓電纜的試驗方法作出了更改和修訂。1997年CIGRI國際大電網(wǎng)工作會議對目前采用的直流耐壓試驗方法提出疑議，并推薦使用工頻及近似工頻（30-300HZ）的交流試驗方法，安徽變壓器絕緣系統(tǒng)，安徽變壓器絕緣系統(tǒng)，安徽變壓器絕緣系統(tǒng)，在全世界范圍內(nèi)推廣應(yīng)用。我國很多省份電網(wǎng)已先后頒發(fā)《試驗規(guī)程》，強制規(guī)定用交流耐壓試驗代替直流耐壓試驗。在我國電網(wǎng)相對發(fā)達(dá)的省份，交流耐壓試驗已經(jīng)成為強制性標(biāo)準(zhǔn)。其它地區(qū)的試驗規(guī)程也在起草和醞釀中。交流耐壓試驗取代傳統(tǒng)直流耐壓試驗已是大勢所趨。讀取變壓器直流電阻測試儀后的電阻值含義從而提高了直流電阻測量的準(zhǔn)確性和準(zhǔn)確性。安徽變壓器絕緣系統(tǒng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽變壓器絕緣系統(tǒng),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368292333984/8679976.png"></div><p style="text-indent:25px">變壓器測試儀的大屏幕、高亮度的液晶顯示，全漢字菜單及操作提示實現(xiàn)友好的人機(jī)對話，觸摸按鍵使操作更簡便，寬溫液晶帶亮度調(diào)節(jié)，可適應(yīng)冬夏各季。儀器可以由用戶預(yù)設(shè)40組被試品參數(shù)，而且這些參數(shù)可以根據(jù)需要隨時刪除和增加，使用非常方便。自帶實時電子鐘，自動記錄試驗的日期、時間利于實驗結(jié)果的保存、管理。面板式熱敏打印機(jī)，可現(xiàn)場快速打印試驗結(jié)果。數(shù)據(jù)（試品設(shè)置、測量結(jié)果、測試時間等）具備掉電存貯及瀏覽功能，可以存儲500組實驗結(jié)果，能與計算機(jī)聯(lián)機(jī)傳送數(shù)據(jù)。允許外接電壓互感器和電流互感器進(jìn)行擴(kuò)展量程測量，可測量任意參數(shù)的被試品。四川變壓器實驗變壓器測試儀，專門用來測量變壓器容量的儀器，同時也可測量變壓器的特性參數(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽變壓器絕緣系統(tǒng),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368672089844/7803755.png"></div><p style="text-indent:25px">變壓器測試儀器為多功能測量儀器，相當(dāng)于往常兩種測試儀器：即變壓器容量測試儀+變壓器特性參數(shù)測試儀。它可對多種變壓器的容量、型式、空載電流、空載損耗、短路（負(fù)載）損耗、阻抗電壓等一系列工頻參數(shù)進(jìn)行精密的測量。本產(chǎn)品具有體積小、重量輕、測量準(zhǔn)確度高、穩(wěn)定性好、操作簡單等諸多優(yōu)點。完全可以取代以往利用多表法測量變壓器損耗和容量的方法，接線更簡單，測試、記錄更方便，使您的工作效率得到了大幅度的提升。針對上述的特點我們可以根據(jù)使用場景進(jìn)行選擇。</p><p style="text-indent:25px">在使用變壓器直流電阻測試儀的時候需要確保自己所選擇的變壓器直流電阻測試儀外包裝以及零部件沒有任何問題，有時也會因為在運輸中遇到了顛簸問題，而導(dǎo)致零部件松散，外包裝出現(xiàn)破裂，嚴(yán)重影響到之后的電阻電壓檢測，那么一旦發(fā)現(xiàn)問題之后要及時跟廠家溝通，及時更換才能夠正常使用，不會影響到接下來的檢測。如果大家發(fā)現(xiàn)的零部件有問題又沒有要換的話，只會導(dǎo)致檢測的數(shù)據(jù)不準(zhǔn)確，更有可能導(dǎo)致設(shè)施設(shè)備也出現(xiàn)安全問題，所以準(zhǔn)備工作一定要做好。變壓器零序電流保護(hù)反應(yīng)變正器要序電流大小,保護(hù)接地故障。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽變壓器絕緣系統(tǒng),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368063710938/7461720.png"></div><p style="text-indent:25px">接地短路的后備保護(hù)無例外地采用零序過電流保護(hù),對高中壓側(cè)中性點均直接接地的自據(jù)變和三統(tǒng)組變壓器,當(dāng)有選擇性要求時,應(yīng)增設(shè)零序方向元件。對于220KV系統(tǒng)的變壓器,它們的中性點*部分直接接地,另一部分變壓器中性點不接地運行。對這類變壓器的接地后備保護(hù),動作后應(yīng)首先跳開有關(guān)的不接地變壓器,然后再跳開直接按地的變壓器,目的是防止中性點不接地系統(tǒng)發(fā)生接地短路時,故障點的間性弧光過電壓可能危及電氣設(shè)備的安全。即使來取了上述保護(hù)方式,任不能認(rèn)為變壓器沒有間性弧光過電壓問題。要解決這一問題,往往很麻煩和很困難。對于部分中性點直接接地的系統(tǒng),接地故障后備保護(hù)首先跳開中性點不接地的變壓器有可能造成全廠(站)所有變壓器全部被切,后果嚴(yán)重。變壓器是一種利用電磁互感來轉(zhuǎn)換電壓，電流和阻抗的設(shè)備。貴州變壓器交流耐壓試驗</p><p style="text-indent:25px">變壓器變比測試儀攜帶了微型的打印機(jī)，因此可以將檢測出來的數(shù)據(jù)，進(jìn)行相應(yīng)的數(shù)據(jù)分析。安徽變壓器絕緣系統(tǒng)</p><p style="text-indent:25px">激磁阻抗參數(shù)與鐵心飽和程度有關(guān)，即與電源電壓大小有關(guān)，試驗電壓必須取額定電壓?？蛰d電流數(shù)值較小，為減小測量誤差，須將電流表靠近變壓器接，然后依次接功率表和電壓表。根據(jù)測量數(shù)據(jù):U2N(低壓側(cè)額定電壓)、U10(高壓側(cè)開路電壓)、I0(低壓側(cè)空載電流)和P0(空載損耗)，按空載運行時的等效電路圖忽略低壓繞組漏阻抗(zm>>z2)，變比k和激磁阻抗參數(shù)?？蛰d試驗在低壓側(cè)加電源，所測數(shù)據(jù)為低壓側(cè)值，求得磁阻抗參數(shù)也為低壓側(cè)值，如需高壓側(cè)的激磁阻抗數(shù)值，還須進(jìn)行折算，即乘(k*k)。特別注意：對三相變壓器進(jìn)行參數(shù)計算，應(yīng)首先將測量數(shù)據(jù)換算為相值(相電壓、相電流和一相的損耗)，然后才能代入公式，即公式中所有數(shù)據(jù)必須是相值。安徽變壓器絕緣系統(tǒng)</p><p style="text-indent:25px">深圳市展榮新精密電子有限公司創(chuàng)辦于2018-10-10，是一家生產(chǎn)型的公司。經(jīng)過多年不斷的歷練探索和創(chuàng)新發(fā)展，公司致力于為客戶提供安全、質(zhì)量有保障的質(zhì)量產(chǎn)品及服務(wù)，是一家私營合伙企業(yè)企業(yè)。公司始終堅持客戶需求***的原則，致力于提供高質(zhì)量的[ "變壓器電感平測試儀衡", "變壓器綜合測試儀", "高壓測試儀19053", "展榮新（臺儀達(dá)）系列產(chǎn)品" ]。展榮新精密電子將以真誠的服務(wù)、創(chuàng)新的理念、***的產(chǎn)品，為彼此贏得全新的未來！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/588620.html</p></div></div></div></div></div><div id="jyqszgi" class="page-right twoColRt"><div id="ispm8i8" class="box01 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