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href="http://www.cdcfah.com/cp/third-dgyqybwr_cscsyqez/">參數(shù)測(cè)試儀器</a>?珠海變壓器故障檢測(cè) 客戶至上展榮新精密電子供應(yīng)</p><div id="fovncd9" class="leftbox clearfix"><h1>珠海變壓器故障檢測(cè) 客戶至上展榮新精密電子供應(yīng)</h1><div id="2fcjn37" class="proBig"><div id="yxt7pz9" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368157539063/6860772.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bpmlne4" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368157539063/6860772.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ga2givk" 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>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>珠海變壓器故障檢測(cè),變壓器</p><p><span>***更新：</span>2021-02-05 10:11:05</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8ryqnuj" 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="3l3lnpd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="x2fgyfz" class="box"><p><p style="text-indent:25px">檢測(cè)判別各繞組的同名端。在使用電源變壓器時(shí)，有時(shí)為了得到所需的次級(jí)電壓，可將兩個(gè)或多個(gè)次級(jí)繞組串聯(lián)起來使用。采用串聯(lián)法使用電源變壓器時(shí)，參加串聯(lián)的各繞組的同名端必須正確連接，不能搞錯(cuò)，珠海變壓器故障檢測(cè)。否則，變壓器不能正常工作。I.電源變壓器短路性故障的綜合檢測(cè)判別。電源變壓器發(fā)生短路性故障后的主要癥狀是發(fā)熱嚴(yán)重和次級(jí)繞組輸出電壓失常，珠海變壓器故障檢測(cè)。通常，珠海變壓器故障檢測(cè)，線圈內(nèi)部匝間短路點(diǎn)越多，短路電流就越大，而變壓器發(fā)熱就越嚴(yán)重。檢測(cè)判斷電源變壓器是否有短路性故障的簡(jiǎn)單方法是測(cè)量空載電流(測(cè)試方法前面已經(jīng)介紹)。存在短路故障的變壓器，其空載電流值將遠(yuǎn)大于滿載電流的10％。當(dāng)短路嚴(yán)重時(shí)，變壓器在空載加電后幾十秒鐘之內(nèi)便會(huì)迅速發(fā)熱，用手觸摸鐵芯會(huì)有燙手的感覺。此時(shí)不用測(cè)量空載電流便可斷定變壓器有短路點(diǎn)存在。測(cè)試注意事項(xiàng)夾線鉗必須可靠夾緊，避免測(cè)試過程中夾線鉗掉落。珠海變壓器故障檢測(cè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="珠海變壓器故障檢測(cè),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368157539063/6860772.png"></div><p style="text-indent:25px">短路承受能力試驗(yàn)是投擬運(yùn)行中極為嚴(yán)酷的短路故障，即網(wǎng)絡(luò)容量足夠大、負(fù)載阻抗為零，而且在電壓過零時(shí)獲得zui人的非對(duì)稱電流。變壓器繞組、分接開關(guān)、套管、引線及各機(jī)械緊固部件將承受來自短路電流所產(chǎn)生的巨大的動(dòng)穩(wěn)定效應(yīng)與熱效應(yīng)的考核。從而驗(yàn)證結(jié)構(gòu)的合理性與運(yùn)行的可靠性。變壓器承受熱穩(wěn)定的能力，通常按照產(chǎn)品在運(yùn)行溫度下發(fā)生短路，對(duì)稱短路電流產(chǎn)生的熱效應(yīng)全部用來提高繞組溫度；GB 1094.5規(guī)定變壓器承受熱穩(wěn)定能力可通過計(jì)算來驗(yàn)證。承受短路的動(dòng)穩(wěn)定能力應(yīng)通過試驗(yàn)或計(jì)算和設(shè)計(jì)驗(yàn)證其結(jié)構(gòu)、工藝和制造的討靠性；試驗(yàn)通常在強(qiáng)電流試驗(yàn)站進(jìn)行；試驗(yàn)電源可以是網(wǎng)絡(luò)，也可以是沖擊發(fā)電機(jī)組，一般均需配置合適的短路試驗(yàn)變壓器和電抗器。安徽變壓器耐壓試驗(yàn)儀器測(cè)試時(shí)必須正確記錄分接開關(guān)的位置。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="珠海變壓器故障檢測(cè),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368672089844/7803755.png"></div><p style="text-indent:25px">電勢(shì)差試驗(yàn)方法及注意事項(xiàng)如下： (1) 在非被試?yán)@組供給勵(lì)磁電壓，其大小應(yīng)使每匝電壓為1V； (2) 連接并聯(lián)支路的一端，測(cè)量各同名端的電勢(shì)差，其電勢(shì)差應(yīng)等于零；為了避免由于回路接觸不良造成電勢(shì)差為零，允許在測(cè)量中加入一匝，使電勢(shì)差為1V；臨時(shí)匝應(yīng)分別正繞與反繞串入回路，其電勢(shì)差均應(yīng)近似等于1V； (3) 為了避免因增加串聯(lián)匝數(shù)而使電勢(shì)差減小的現(xiàn)象，測(cè)量電勢(shì)差的電壓表應(yīng)盡量采用高內(nèi)阻的電壓表； (4) 電勢(shì)差試驗(yàn)時(shí)被試?yán)@組的電壓雖然只有1V，但其電位往往很高；在并聯(lián)支路中如有串聯(lián)線段，試驗(yàn)中可將其打開，分別測(cè)量幾個(gè)并聯(lián)支路的電勢(shì)差，以降低被試?yán)@組的電位； (5) 測(cè)量?jī)x表的一端應(yīng)可靠接地，儀表的量程開始應(yīng)置于zui大位罝，送電指示正常后，再逐級(jí)縮小量程，以避免損壞儀表。</p><p style="text-indent:25px">高壓變壓器容量測(cè)試儀是我公司專門研制開發(fā)的用于變壓器容量測(cè)量和損耗參數(shù)測(cè)量的高精度儀器。高壓變壓器容量測(cè)試儀采用高效可充電電池，無需外接電源即可工作，充電時(shí)可連續(xù)測(cè)量500次一次；同時(shí)內(nèi)部數(shù)字合成三相標(biāo)準(zhǔn)正弦波信號(hào)（不簡(jiǎn)單逆變交流輸出，保證測(cè)試數(shù)據(jù)在非定額條件下的準(zhǔn)確性），功放可提供三相精密交流測(cè)試。高壓變壓器容量測(cè)試儀在測(cè)量變壓器容量和變壓器短路損耗時(shí)，不需要外部三相測(cè)試電源和電壓調(diào)節(jié)器和上電流等輔助設(shè)備，簡(jiǎn)化了接線，大幅提高了工作效率，測(cè)試結(jié)果精度達(dá)到99%。尤其適用于特種變壓器的變比及相位差測(cè)試。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="珠海變壓器故障檢測(cè),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368063710938/7461720.png"></div><p style="text-indent:25px">變壓器測(cè)試儀功能特性：1. 所有測(cè)試結(jié)果均自動(dòng)進(jìn)行相關(guān)校正。儀器可自動(dòng)進(jìn)行諸如：波形校正、溫度校正、非額定電壓校正、非額定電流校正等多種校正，使測(cè)試結(jié)果準(zhǔn)確度更高。2. 320x240大屏幕、高亮度的液晶顯示，全漢字菜單及操作提示實(shí)現(xiàn)友好的人機(jī)對(duì)話，觸摸按鍵使操作更簡(jiǎn)便，寬溫液晶帶亮度調(diào)節(jié)，可適應(yīng)冬夏各季。3. 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(shí)刪除和增加，使用非常方便。4. 自帶實(shí)時(shí)電子鐘，自動(dòng)記錄試驗(yàn)的日期、時(shí)間利于實(shí)驗(yàn)結(jié)果的保存、管理。5. 面板式熱敏打印機(jī)，可現(xiàn)場(chǎng)快速打印試驗(yàn)結(jié)果。6. 數(shù)據(jù)（試品設(shè)置、測(cè)量結(jié)果、測(cè)試時(shí)間等）具備掉電存貯及瀏覽功能，可以存儲(chǔ)500組實(shí)驗(yàn)結(jié)果，能與計(jì)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(cè)量，可測(cè)量任意參數(shù)的被試品。所有的測(cè)試結(jié)果可以記錄的形式保存起來，以備查閱?；葜葑儔浩鞯脑囼?yàn)</p><p style="text-indent:25px">繞組變形測(cè)試應(yīng)放在直流類試驗(yàn)之前或交流類試驗(yàn)之后。珠海變壓器故障檢測(cè)</p><p style="text-indent:25px">變壓器滲漏油的原因分析：1、變壓器的制造質(zhì)量變壓器在制造過程中，油箱焊點(diǎn)多、焊縫長(zhǎng)、焊接難、焊接材料、焊接規(guī)范、工藝、技術(shù)等都會(huì)影響焊接質(zhì)量，造成氣孔、砂眼、虛焊、脫焊現(xiàn)象從而使變壓器滲漏油。2、板式蝶閥質(zhì)量欠佳變壓器另外一個(gè)經(jīng)常發(fā)生滲漏的部位在板式蝶閥處，較早前生產(chǎn)的變壓器，使用的普通板式蝶閥連接面比較粗糙、單薄，單層密封，屬淘汰產(chǎn)品，極易引起變壓器滲漏油。3、安裝方法不當(dāng)法蘭連接處不平，安裝時(shí)密封墊四周不能均勻受力，人為造成密封墊四周螺栓非均勻受力；法蘭接頭變形錯(cuò)位，使密封墊一側(cè)受力偏大，一側(cè)受力偏小，受力偏小的一側(cè)密封墊因壓縮量不足就容易引起滲漏。此現(xiàn)象多發(fā)生在瓦斯繼電器連接處及散熱器與本體連接處；還有一點(diǎn)就是密封墊安裝時(shí)，其壓縮量不足或過大，壓縮量不足時(shí)，變壓器運(yùn)行溫度升高油變稀，造成變壓器滲油，壓縮量偏大，密封墊變形嚴(yán)重，老化加速使用壽命縮短。珠海變壓器故障檢測(cè)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3175605.html</p></div></div></div></div></div><div id="sul8zgn" class="page-right twoColRt"><div id="hls3jlx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ncz9pwi" 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" 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