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href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_dgyqybwr/">電工儀器儀表</a>?<a href="http://www.cdcfah.com/cp/third-dgyqybwr_cscsyqez/">參數(shù)測試儀器</a>?江門電子變壓器測量儀值得信賴展榮新精密電子供應(yīng)</p><div id="negiart" class="leftbox clearfix"><h1>江門電子變壓器測量儀值得信賴展榮新精密電子供應(yīng)</h1><div id="okvnebd" class="proBig"><div id="au7fh32" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368711884766/5770221.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="clsul29" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368711884766/5770221.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8m9l8z2" 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>江門電子變壓器測量儀,變壓器</p><p><span>***更新：</span>2021-01-26 03:08:17</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="dr7xzgi" 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="fjqizwi" class="page-proshow02"><p class="title">詳細說明</p><div id="rg3ce8i" class="box"><p><p style="text-indent:25px">變壓器負載損耗測試儀：安全性能1，江門電子變壓器測量儀、絕緣電阻測試儀電源輸入端對機殼的絕緣電阻不應(yīng)小于20MΩ。2、介電強度測試儀電源輸入端與機殼間應(yīng)能承受1500V、50Hz正弦波電壓，歷時1min的耐壓試驗，無閃絡(luò)或擊穿現(xiàn)象2、基本性能1、電壓測量測量范圍：量程下限不大于10V，江門電子變壓器測量儀，江門電子變壓器測量儀，量程上限不小于100V。測量誤差：不大于±0.5%2、電流測量測量范圍：量程下限不大于0.5A，量程上限不小于5A。測量誤差：不大于±0.5%。3、頻率測量測量范圍：40Hz~65Hz。測量誤差：不大于±0.2%。變壓器在使用的時候一定要注意區(qū)分使用規(guī)格。江門電子變壓器測量儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江門電子變壓器測量儀,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368711884766/5770221.png"></div><p style="text-indent:25px">空載試驗：從變壓器的某一繞組（一般從二次低壓側(cè)）施加正弦波額定頻率的額定電壓，其余繞組開路，測量空載電流和空載損耗。如果試驗條件有限，電源電壓達不到額定電壓，可在非額定電壓條件下試驗，這種試驗方法誤差較大，一般只用于檢查變壓器有無故障，只有試驗電壓達到額定電壓的80%以上才可用來測試空載損耗。短路試驗：將變壓器低壓大電流側(cè)人工短聯(lián)接，從電壓高的一側(cè)線圈的額定分接頭處通入額定頻率的試驗電壓，使繞組中電流達到額定值，然后測量輸入功率和施加的電壓（即短路損耗和短路電壓）以及電流值。通常試驗電源的容量應(yīng)為被試品容量的30％。江門變壓器容量分析儀變壓器綜合測試儀一般在使用前一定要經(jīng)過嚴格的培訓(xùn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江門電子變壓器測量儀,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368205908203/8826371.png"></div><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(yīng)施加在三角形的兩個角上，試驗時的電壓應(yīng)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(guān)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(yù)先短路、選相合閘，也可以采用預(yù)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(yù)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(yīng)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(yù)先短路的方法試驗時，制造單位需與用戶協(xié)商。</p><p style="text-indent:25px">測定電動機三相繞組頭尾的兩種方法：在電動機6根引出線標記無法確認時，我們可利用交流電源和燈泡檢查電動機三相繞組的頭尾端，以免將繞組接錯。用交流電源和燈泡確定電動機三相繞組的方法是：首先用36V低壓燈做試燈，分出電動機每一相線圈的兩個線端，然后將兩相線圈串接后通入220V電源，剩下的一相線圈兩端接36V的燈泡線路通入電源后，燈泡發(fā)亮，說明所串聯(lián)的兩相是頭尾相接；燈泡不亮，說明是頭頭相接，如圖26(a)所示。然后將測出的兩相線圈頭尾做一標記，再按此方法將其中一相與原來接燈泡的一相線圈串聯(lián)，另一相連接燈泡，再按同樣道理判斷，電動機三相繞組的頭尾就很容易區(qū)分出來了。另一種方法是用萬用表測定電動機三相繞組頭尾，首先用萬用表測量出電動機6個接線端哪兩個線端為同一相，然后將萬用表的直流毫安擋撥到較小一擋，并將表筆接到三相繞組的某一組兩端，而電池正負極接到另一相的兩個線端上。測試值與計算值不符，接線組別與銘牌接線組別不符，可能是儀器損壞，也可能是變壓器存在問題。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江門電子變壓器測量儀,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368225537109/2074462.png"></div><p style="text-indent:25px">識別電源變壓器：1）從外形識別：常用電源變壓器的鐵芯有E形和C形兩種。E形鐵芯變壓器呈殼式結(jié)構(gòu)（鐵芯包裹線圈），采用D41.D42很好硅鋼片作鐵芯，應(yīng)用普遍。C形鐵芯變壓器用冷軋硅鋼帶作鐵芯，磁漏小，體積小，呈芯式結(jié)構(gòu)（線圈包裹鐵芯）。2）從繞組引出端子數(shù)識別：電源變壓器常見的有兩個繞組，即一個初級和一個次級繞組，因此有四個引出端。有的電源變壓器為防止交流聲及其他干擾，初、次級繞組間往往加一屏蔽層，其屏蔽層是接地端。因此，電源變壓器接線端子至少是4個。不會因電壓檔位選錯而對儀器本身有所損壞。江門變壓器容量分析儀</p><p style="text-indent:25px">在三分之一額定電流下可完成3150KVA以下的配電變壓器的負載試驗的測量。江門電子變壓器測量儀</p><p style="text-indent:25px">檢測判別各繞組的同名端。在使用電源變壓器時，有時為了得到所需的次級電壓，可將兩個或多個次級繞組串聯(lián)起來使用。采用串聯(lián)法使用電源變壓器時，參加串聯(lián)的各繞組的同名端必須正確連接，不能搞錯。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)熱嚴重和次級繞組輸出電壓失常。通常，線圈內(nèi)部匝間短路點越多，短路電流就越大，而變壓器發(fā)熱就越嚴重。檢測判斷電源變壓器是否有短路性故障的簡單方法是測量空載電流(測試方法前面已經(jīng)介紹)。存在短路故障的變壓器，其空載電流值將遠大于滿載電流的10％。當短路嚴重時，變壓器在空載加電后幾十秒鐘之內(nèi)便會迅速發(fā)熱，用手觸摸鐵芯會有燙手的感覺。此時不用測量空載電流便可斷定變壓器有短路點存在。江門電子變壓器測量儀</p><p style="text-indent:25px">深圳市展榮新精密電子有限公司總部位于航城街道黃田社區(qū)崗貝工業(yè)區(qū)綜合樓10棟401，是一家一般經(jīng)營項目是：經(jīng)營電子商務(wù)，國內(nèi)貿(mào)易，經(jīng)營進出口業(yè)務(wù)（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。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(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。展榮新精密電子始終關(guān)注自身，在風(fēng)云變化的時代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使展榮新精密電子在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3011942.html</p></div></div></div></div></div><div id="8etqczw" class="page-right twoColRt"><div id="tnahtfc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8jyacya" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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