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id="8pr8lf7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368672089844/7803755.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zsuwyvm" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368672089844/7803755.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nc3hjgs" 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)品關鍵詞：</span>江西電子變壓器可靠性測試,變壓器</p><p><span>***更新：</span>2020-09-18 02:05:59</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="ys7dkmo" 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="p2surya" class="page-proshow02"><p class="title">詳細說明</p><div id="m8b3qse" class="box"><p><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?shù)脑６?。其它明星參?shù)可結(jié)合變壓器產(chǎn)品適當考慮。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，江西電子變壓器可靠性測試。(注：單相每臺設備的功率按照銘牌上面的比較大值計算，三相設備功率除以3，等于這臺設備的每相功率，江西電子變壓器可靠性測試。)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，江西電子變壓器可靠性測試、計算變壓器總功率三相總功率/，這是重要的步驟。變壓器對電子元器生產(chǎn)要求還是比較高的。江西電子變壓器可靠性測試</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西電子變壓器可靠性測試,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368672089844/7803755.png"></div><p> 關于變壓器容量計算的一些問題1、變壓器的額定容量，應該是變壓器在規(guī)定的使用條件下，能夠保證變壓器正常運行的比較大載荷視在功率；2、這個視在功率就是變壓器的輸出功率，也是變壓器能帶比較大負載的視在功率；3、變壓器額定運行時，變壓器的輸出視在功率等于額定容量；4、變壓器額定運行時，變壓器的輸入視在功率大于額定容量；5、由于變壓器的效率很高，一般認為變壓器額定運行時，變壓器的輸入視在功率等于額定容量，由此進行的運算及結(jié)果也是基本準確的；6、所以在使用變壓器時，你只要觀察變壓器輸出的電流、電壓、功率因數(shù)及其視在功率等于或小于額定容量就是安全的(使用條件滿足時)；7、有人認為變壓器有損耗，必須在額定容量90%以下運行是錯誤的！8、變壓器在設計選用容量時，根據(jù)計算負荷要乘以安全系數(shù)是對的?？梢钥吹阶儔浩魅萘坑嬎闫鋵嵅浑y。主要是要注意變壓器容量計算的一些問題。成都電子變壓器檢測公司變壓器耐壓試驗控制臺是通過接入工頻電源,調(diào)節(jié)調(diào)壓器得到所需要的試驗高壓電壓值。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西電子變壓器可靠性測試,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368417158203/3339392.png"></div><p style="text-indent:25px">具有價值的的變壓器綜合測試儀內(nèi)置數(shù)據(jù)處理軟件系統(tǒng)，得到測試數(shù)據(jù)后能自動進行處理，存儲至相應表格后快速打印，表格格式由可以根據(jù)需要設置。這樣不但能夠規(guī)范各類數(shù)據(jù)表格，還能避免人工抄錄數(shù)據(jù)出錯、人工更改數(shù)據(jù)的現(xiàn)象。保證了數(shù)據(jù)的真實性，以及表格存儲的完整性和美觀性，同時還便于查詢。變壓器綜合試驗儀結(jié)合了計算機、軟件以及人機界面，操作過程簡單，人機界面作為設備和人之間的橋梁，能讓我們直觀地操作或查看各類數(shù)據(jù)，軟件的加入也豐富了變壓器綜合試驗儀的功能，減少了人工操作。具有價值的的變壓器綜合測試儀通過計算機智能控制，提高了檢測的精度，解放了人工勞動，能夠?qū)崿F(xiàn)檢測全過程的監(jiān)控和記錄，是電力部門不可或缺的設備。</p><p style="text-indent:25px">變壓器是分為升壓變壓器器和降壓變壓器，在此主要談談降壓變壓器，升壓變壓器類同。檢測方法分為斷電測量和通電檢查。檢測有時難免需要測量變壓器絕緣電阻，大容量的變壓器建議用兆歐表測量，小型變壓器一般可用萬用表的R×10K檔測量，一般為無窮大。當斷電檢查未發(fā)現(xiàn)異常時，就需要通電檢查，將一次繞組接上額定電壓，diangon.com版權所有。然后測量二次空載電壓，這里有一點要注意的，測量過變壓器的電工老師傅都知道：所有好的變壓，一般測量的空載電壓會比標稱值偏高一些，基于這點也可以反過來用在判斷變壓器的性能上，如果測量的空載電壓偏低的話，建議不要使用，一方面是變壓器自身可能存有故障隱患，另一方面，如果使用可能對整個電路系統(tǒng)都產(chǎn)生影響。一般用來檢測變壓器的儀器靈敏度都很高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西電子變壓器可靠性測試,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368711884766/5770221.png"></div><p style="text-indent:25px">變壓器幾乎在所有的電子產(chǎn)品中都要用到，它原理簡單但根據(jù)不同的使用場合（不同的用途）變壓器的繞制工藝會有所不同的要求。變壓器的功能主要有：電壓變換；阻抗變換；隔離；穩(wěn)壓（磁飽和變壓器）等，變壓器常用的鐵心形狀一般有E型和C型鐵心。一般降壓變壓器一次繞組的電阻值為幾十至幾百歐，二次繞組為幾歐至幾十歐，這點要做到心中大致有數(shù)，為選萬用表的量程提供參考，一般選用萬用表的R×1或R×10檔，分別測一次繞組和二次繞組，查看有無斷路和短路問題，這個方法有個缺點就是，無法檢測出局部短路問題，這個缺憾可以通過通電檢查彌補。變壓器大家可能認為在公眾場合用的比較多，但其實在住宅小區(qū)中也有變壓器的存在。江西電子變壓器可靠性測試</p><p style="text-indent:25px">對于特高電壓等級的輸變電設備，沖擊耐壓試驗是非常重要的例行試驗。江西電子變壓器可靠性測試</p><p style="text-indent:25px">對于三角形聯(lián)結(jié)的繞組進行三相試驗時，如果低壓側(cè)為星形聯(lián)結(jié)，可采用測量低壓電流的方法；對于三角形聯(lián)結(jié)的繞組進行單相試驗時，單相電壓應施加在三角形的兩個角上，試驗時的電壓應與三相試驗時的相間電壓相同；對于星形聯(lián)結(jié)繞組，如果電源容量不足以進行上述單相試驗，而中性點可以利用且能承受相關的電流時，經(jīng)協(xié)商單相電源可施加于線端與中性點之間。短路試驗可以采用預先短路、選相合閘，也可以采用預先送電、選相短路的方法。對于單同心式繞組的變壓器采用預先短路時，為了避免zui初幾個周波中由于鐵心飽和產(chǎn)生的勵磁電流疊加在短路電流上，施加電壓的繞組應該選距鐵心較遠的那個繞組。對于雙同心式繞組（高/低/高）和交疊式繞組的變壓器采用預先短路的方法試驗時，制造單位需與用戶協(xié)商。江西電子變壓器可靠性測試</p><p style="text-indent:25px">深圳市展榮新精密電子有限公司是一家一般經(jīng)營項目是：經(jīng)營電子商務，國內(nèi)貿(mào)易，經(jīng)營進出口業(yè)務（以上法律、行政法規(guī)決定規(guī)定在登記前須經(jīng)批準的項目除外，限制的項目須取得許可后方可經(jīng)營）。許可經(jīng)營項目是：變壓器檢測儀表的開發(fā)及生產(chǎn)、變壓器綜合測試儀的開發(fā)及生產(chǎn)、線材測試儀的開發(fā)及生產(chǎn)、儀器儀表的開發(fā)及生產(chǎn)、銷售。的公司，是一家集研發(fā)、設計、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于變壓器電感平衡測試儀，變壓器綜合測試儀，高壓測試儀19053，展榮新（臺儀達）系列產(chǎn)品，是儀器儀表的主力軍。展榮新精密電子繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關鍵領域，實現(xiàn)轉(zhuǎn)型再突破。展榮新精密電子創(chuàng)始人喻孟峨，始終關注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1322241.html</p></div></div></div></div></div><div id="xrtf39j" class="page-right twoColRt"><div id="wvh3b3c" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="kelnebd" 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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