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href="http://www.cdcfah.com/cp/third-dgyqybwr_cscsyqez/">參數(shù)測試儀器</a>?佛山自動變壓器測試來電咨詢展榮新精密電子供應(yīng)</p><div id="dqrxtpq" class="leftbox clearfix"><h1>佛山自動變壓器測試來電咨詢展榮新精密電子供應(yīng)</h1><div id="8llmstu" class="proBig"><div id="esjkriz" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368129267578/9378652.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="yrijvrx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368129267578/9378652.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="estez3e" 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>佛山自動變壓器測試,變壓器</p><p><span>***更新：</span>2021-02-02 08:08:12</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="nvhd8rn" 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: </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="xqbiopq" class="page-proshow02"><p class="title">詳細說明</p><div id="yhdllwd" class="box"><p><p style="text-indent:25px">變壓器滲漏油的原因分析：1、橡膠密封件失效和焊縫開裂變壓器的焊點多、焊縫長，而油浸式變壓器是以鋼板焊接殼體為基礎(chǔ)的多種焊接和連接的體。一臺31500kVA變壓器的總焊點達70余處，焊縫總長近20m左右，因此滲漏途徑可能較多。直接滲漏的原因是橡膠密封件失效和焊縫開裂、氣孔、夾渣等。2、密封膠件老化、龜裂、變形變壓器滲漏多發(fā)生在連接處，而95 %以上主要是由密封膠件引起的。密封膠件質(zhì)量的好壞主要取決于它的耐油性能，耐油性能較差的，老化速度就較快，特別是在高溫下，其老化速度就更快，極易引起密封件老化、龜裂，變質(zhì)、變形，佛山自動變壓器測試，佛山自動變壓器測試，以至失效，造成變壓器滲漏油，佛山自動變壓器測試。變壓器外殼焊接不嚴密或膠墊不實都可能導(dǎo)致變壓器漏油，所以在維護的時候一定要非常注意。佛山自動變壓器測試</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="佛山自動變壓器測試,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368129267578/9378652.png"></div><p style="text-indent:25px">變比測試儀功能：（1）該變壓器變比測試儀自動產(chǎn)生幅值穩(wěn)定、相位恒定的三相、兩相、或單相標準電源。（2）不受變壓器內(nèi)部接線方式的約束，直接測量高、低壓側(cè)的電壓比值及相角差。（3）速度快，一組數(shù)據(jù)的測試時間為幾秒鐘，且能在測試過程中轉(zhuǎn)換分接開關(guān)，一氣呵成完成一臺變壓器的所有分接位置的測量，19分接位置變壓器的測試時間只需要10分鐘的時間，較大提高工作效率。（4）變壓器變比測試儀內(nèi)部具有過流保護功能。（5）測試結(jié)果不受工頻電源頻率及幅值波動的影響。（6）尤其適用于特種變壓器的變比及相位差測試。（7）全自動變比測試儀真正意義上的三相同時測量。（8）變壓器變比測試儀具備RS232接口，方便生產(chǎn)廠家的測試自動化要求。佛山自動變壓器測試在變壓器的日常維護時需要注意觀察外觀，主要檢查變壓器外部是否存在滲油、是否存在零部件冒煙或放電現(xiàn)象。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="佛山自動變壓器測試,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368225537109/2074462.png"></div><p style="text-indent:25px">單相空載測試單相空載測試項目通常用來測試單相變壓器的空載損耗和空載電流百分比。也可用來對三相變壓器進行逐相測試（主要用來檢測被測變壓器有沒有單相故障）。在現(xiàn)場無三相電源的情況下，也需要用到這種試驗方法。單相空載用儀器的A相電壓和A相電流進行測試。如圖所示，用一單相電源作為測試電源，火線接到測試儀的A相電流端子正端，黃鉗子粗線接到A相電流端子的負端，細線接到A相電壓端子Ua，紅鉗子粗線直接接到測試電源的零線，細線接到B相電壓端子Ub，兩把鉗子分別夾到低壓側(cè)兩個接線柱上。高壓側(cè)開路。</p><p style="text-indent:25px">試驗前準備：1.了解被試設(shè)備現(xiàn)場情況及試驗條件查勘現(xiàn)場，查閱相關(guān)技術(shù)資料，包括該設(shè)備出廠試驗數(shù)據(jù)、歷年試驗數(shù)據(jù)及相關(guān)規(guī)程等，掌握該設(shè)備運行及缺陷情況。2. 測試儀器、設(shè)備的準備選擇繞組變形測試儀及配套試驗接線、筆記本電腦(安裝有繞組變形測試儀配套軟件、曲線相關(guān)系數(shù)計算軟件并拷貝有被試變壓器繞組變形歷史數(shù)據(jù)存檔)、溫濕度計、接地線、電源線(帶剩余電流動作保護器)、安全帶、安全帽、電工常用工具、試驗臨時安全遮欄、標示牌等，并查閱測試儀器、設(shè)備及絕緣工器具的檢定證書有效期、相關(guān)技術(shù)資料、相關(guān)規(guī)程等3.辦理工作票并做好試驗現(xiàn)場安全和技術(shù)措施工作負責(zé)人向試驗人員交代工作內(nèi)容、帶電部位、現(xiàn)場安全措施、現(xiàn)場作業(yè)危險點，明確人員分工及試驗程序。在存儲記錄時可同時將試驗時間存儲下來。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="佛山自動變壓器測試,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368292333984/8679976.png"></div><p> 變壓器容量計算首先選擇變壓器的額定電壓。高壓側(cè)電壓與所接入電網(wǎng)電壓相等，低壓側(cè)電壓比低壓側(cè)電網(wǎng)的電壓高10%或5%（取決變壓器電壓等級和阻抗電壓大?。?；額定容量選擇。計算變壓器所帶負荷的大?。ㄒ蠼y(tǒng)計比較大綜合負荷，將有功負荷kW值換算成視在功率kVA），如果是兩臺變壓器，那么每臺變壓器的容量可按照比較大綜合負荷的70%選擇，一臺變壓器要按總負荷考慮，并留有適當(dāng)?shù)脑６?。其它明星參?shù)可結(jié)合變壓器產(chǎn)品適當(dāng)考慮。例如：選擇35/10kV變壓器。假定比較大負荷為3500kW，功率因數(shù)為，選兩臺變壓器，容量S=×3500/，可選擇3150kVA的變壓器，電壓比為35kV/。再從產(chǎn)品目錄中選擇型號。一、變壓器容量計算公式：1、計算負載的每相比較大功率將A相、B相、C相每相負載功率**相加，如A相負載總功率10KW，B相負載總功率9KW，C相負載總功率11KW，取比較大值11KW。(注：單相每臺設(shè)備的功率按照銘牌上面的比較大值計算，三相設(shè)備功率除以3，等于這臺設(shè)備的每相功率。)例如：C相負載總功率=電腦300W×10臺)+(空調(diào)2KW×4臺)=11KW2、計算三相總功率11KW×3相=33KW(變壓器三相總功率)3、計算變壓器總功率三相總功率/，這是重要的步驟。可測量三相電壓、三相電流、平均電壓、平均電流、兩相有功功率。河南電子變壓器的測試</p><p style="text-indent:25px">變壓器在使用期間一定要聯(lián)系專業(yè)的檢測人員進行檢測。佛山自動變壓器測試</p><p style="text-indent:25px">變壓器用途：變壓器有鐵芯和線圈組成.變壓器線圈分初級線圈和次級線圈.在初級線圈中通交流電時.變壓器鐵芯就產(chǎn)生了交變的磁場.次級線圈就感應(yīng)出與初級頻率相同的交流電.變壓器線圈的圈數(shù)比等于電壓比.例如一個變壓器的初級線圈是880圈.次級是88圈.在初級接入220V電壓.次級就會輸出22V的交流電壓.變壓器不可以降壓也可升壓.遠距離輸電一般都用變壓器升高電壓.在用電處再用變壓器降到我們所需要的電壓直流變壓器的說法不對.直流電不能變壓.直流電要變換電壓首先要用電子元件將直流電變?yōu)榻涣麟?然后用變壓器變換電壓.這個設(shè)備叫逆變器。佛山自動變壓器測試</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3125002.html</p></div></div></div></div></div><div id="wdealcd" class="page-right twoColRt"><div id="ibcyuqh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ra329iu" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="pizlxjf" class="recomPic likePro"><a 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