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href="http://www.cdcfah.com/cp/third-dgyqybwr_cscsyqez/">參數(shù)測試儀器</a>?肇慶新型試驗變壓器服務至上展榮新精密電子供應</p><div id="wauyctf" class="leftbox clearfix"><h1>肇慶新型試驗變壓器服務至上展榮新精密電子供應</h1><div id="j3monjq" class="proBig"><div id="hvx4ik7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368205908203/8826371.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7stde3n" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368205908203/8826371.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="r7liak8" 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>肇慶新型試驗變壓器,變壓器</p><p><span>***更新：</span>2020-11-10 05:15:26</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="fdfu7yt" 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="3wy3323" class="page-proshow02"><p class="title">詳細說明</p><div id="mqhr9d2" class="box"><p><p> 從行輸出變壓器的電路符號中可以看出一次和二次以及繞組的結(jié)構(gòu)。圖3-45行輸出變壓器電路符號行輸出變壓器是組成行輸出高壓電路的重要元器件，電視機顯像管所需要的高壓、中壓和其他電路需要的低壓要通過行輸出高壓電路來獲得。中、高壓是利用行掃描逆程期間產(chǎn)生的半個周期諧振電壓，通過行輸出變壓器的升壓經(jīng)整流后獲得的。重要提示利用行逆程回掃期間的能量來獲得中、高電壓具有下列一些好處。(1)有利于節(jié)省能量，降低整機功耗。行輸出級消耗的能量約占整機功耗的60%。(2)由于行頻高達15625Hz，頻率高，有利于濾波，即用較小的濾波電容可獲得很好的濾波性能，肇慶新型試驗變壓器。(3)行逆程脈沖電壓較高，較容易獲得中、高壓，肇慶新型試驗變壓器。(4)具有保護顯像管的作用。當行振蕩電路發(fā)生故障時，肇慶新型試驗變壓器，行逆程脈沖消失，可起保護作用。(5)通過行輸出變壓器可以獲得上萬伏的顯像管陽極高壓，獲得幾百伏的顯像管加速極電壓和聚焦極電壓，以及其他電路的低電壓。3.行輸出變壓器實用電路圖3-46所示是行輸出變壓器電路。輸入該變壓器的是行逆程脈沖。通過多組二次升壓繞組、整流電路，可得到多種電壓等級的低、中、高直流電壓。從升壓繞組上得到20～25kV高壓，作為顯像管高壓。從升壓繞組抽頭得到直流電壓。變壓器常用的鐵芯形狀一般有E 型和C型鐵芯，XED型，ED型。肇慶新型試驗變壓器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="肇慶新型試驗變壓器,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368205908203/8826371.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?。活~定容量選擇。計算變壓器所帶負荷的大小（要求統(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。(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。)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。珠海電子變壓器繞組檢測儀在檢測變壓器的時候一定要遵守操作規(guī)范進行。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="肇慶新型試驗變壓器,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368711884766/5770221.png"></div><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(quán)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。</p><p style="text-indent:25px">三相變壓器應使用三相電源進行試驗，沒有三相電源也可使用單相電源；使用單相電源時，D聯(lián)結(jié)的繞組單相電源應施加在三角形的兩個角上；試驗期間該單相電源應相當于三相試驗的線電壓。Y聯(lián)結(jié)的繞組單相電源應施加于一個線端與另外兩個連在一起的線端上；試驗期間單相電壓應等于三相試驗時線電壓的√3/2倍。分級絕緣變壓器需考慮其中性點絕緣是否能夠滿足單相電源的試驗要求；Y聯(lián)結(jié)的變壓器，如電源容量不足且有中性點可以利用時，經(jīng)制造單位與用戶協(xié)商，可在線端與中性點間使用單相電源進行試驗。首先施加小于70%試驗電流進行調(diào)試；當合閘相角、試驗電流的峰值和對稱值及持續(xù)時間均達到要求時，再進行100.0%試驗電流的正式試驗；小于70%試驗電流不記人試驗次數(shù)。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="肇慶新型試驗變壓器,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368129267578/9378652.png"></div><p style="text-indent:25px">變壓器的日常巡檢： 1) 變壓器的油溫和溫度計應正常，儲油柜的油位應與溫度相對應，各部位無滲油、漏油。 2) 套管油位應正常。套管外部無破損裂紋、無嚴重油污、無放電痕跡及其他異?，F(xiàn)象。 3) 變壓器聲音正常。 4) 各冷卻器手感溫度應相近、風扇、油泵運轉(zhuǎn)正常。油流繼電器工作正常。 5) 吸濕器完好、吸附劑干燥。 6) 引線接頭、電纜、母線應無發(fā)熱跡象。 7) 壓力釋放閥或安全氣道及防爆膜應完好無損。 8) 氣體繼電器內(nèi)應無氣體。 9) 個控制箱和二次端子箱應關(guān)嚴，無受潮。變壓器按用途可以分為：配電變壓器、組合式變壓器、干式變壓器、單相變壓器、整流變壓器、抗干擾變壓器等。珠海電子變壓器繞組檢測儀</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。肇慶新型試驗變壓器</p><p> 變壓器的參數(shù)有勵磁參數(shù)和短路參數(shù),只有已知參數(shù),才能運用前面所介紹的基本方程式、等值電路或相量圖求解各量。對制造好的變壓器,其參數(shù)可通過實驗測得。 </p> <p> 空載實驗目的:通過測量空載電流和一、二次電壓及空載功率來計算變比、空載電流百分數(shù)、鐵損和勵磁阻抗。 </p> <p> 1.低壓側(cè)加電壓,高壓側(cè)開路，為了便于測量和安全,空載實驗一般在低壓繞組上加電壓,高壓繞組開路。 </p> <p> 2.空載電流和空載功率必須是額定電壓時的值，并以此求取勵磁參數(shù)； </p> <p> 3.若要的達到高壓側(cè)參數(shù)須折算。 </p> <p> <br /> 肇慶新型試驗變壓器</p><p style="text-indent:25px">深圳市展榮新精密電子有限公司主要經(jīng)營范圍是儀器儀表，擁有一支專業(yè)技術(shù)團隊和良好的市場口碑。展榮新精密電子致力于為客戶提供良好的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，一切以用戶需求為中心，深受廣大客戶的歡迎。公司注重以質(zhì)量為中心，以服務為理念，秉持誠信為本的理念，打造儀器儀表良好品牌。展榮新精密電子憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1926183.html</p></div></div></div></div></div><div id="u7durya" class="page-right twoColRt"><div id="uebszg3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="txeg3cw" 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" 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</p></a></div><div id="fzliea3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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