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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="yl2faae" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368292333984/8679976.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uja2zgp" 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>云南變壓器標準,變壓器</p><p><span>***更新：</span>2021-01-13 10:16:33</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="84fmdkg" 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="84fbijv" class="page-proshow02"><p class="title">詳細說明</p><div id="xbyk8sj" class="box"><p><p style="text-indent:25px">變壓器負載損耗測試儀：安全性能1、絕緣電阻測試儀電源輸入端對機殼的絕緣電阻不應小于20MΩ。2、介電強度測試儀電源輸入端與機殼間應能承受1500V、50Hz正弦波電壓，云南變壓器標準，歷時1min的耐壓試驗，無閃絡或擊穿現(xiàn)象2、基本性能1、電壓測量測量范圍：量程下限不大于10V，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，云南變壓器標準。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%，云南變壓器標準。變壓器在我們的日常生活中運用的很多，比如說有些地方電壓不穩(wěn)定那么這個時候就需要用變壓器了。云南變壓器標準</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南變壓器標準,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368292333984/8679976.png"></div><p style="text-indent:25px">銅損是指變壓器線圈電阻所引起的損耗.當電流通過線圈電阻發(fā)熱時，一部分電能就轉(zhuǎn)變?yōu)闊崮芏鴵p耗。由于線圈一般都由帶絕緣的銅線纏繞而成，因此稱為銅損。變壓器的鐵損包括兩個方面：一是磁滯損耗，當交流電流通過變壓器時，通過變壓器硅鋼片的磁力線其方向和大小隨之變化，使得硅鋼片內(nèi)部分子相互摩擦，放出熱能，從而損耗了一部分電能，這便是磁滯損耗。另一是渦流損耗，當變壓器工作時，鐵芯中有磁力線穿過，在與磁力線垂直的平面上就會產(chǎn)生感應電流，由于此電流自成閉合回路形成環(huán)流，且成旋渦狀，故稱為渦流。渦流的存在使鐵芯發(fā)熱，消耗能量，這種損耗稱為渦流損耗。變壓器的效率與變壓器的功率等級有密切關(guān)系，通常功率越大，損耗與輸出功率就越小，效率也就越高。反之，功率越小，效率也就越低。浙江變壓器耐壓試驗儀器電壓回路寬量限：電壓較大可測量到 750V，不用切換檔位即可保證精度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南變壓器標準,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368205908203/8826371.png"></div><p style="text-indent:25px">對于Ⅰ類和Ⅱ類的單相變壓器，試驗次數(shù)為三次；如無另行規(guī)定，帶有分接的變壓器的試驗應分別在zui大、額定和zui小分接位置上各進行一次；三相變壓器試驗次數(shù)為九次，在不同分接位置上進行，即在旁柱的zui大分接、中柱的額定分接和另一旁柱的zui小分接位置上分別進行三次。對于Ⅲ類變壓器，其試驗程序和分接位置通常由制造單位和用戶協(xié)商確定，一般與Ⅰ類和Ⅱ類變壓器相同。每次試驗除用示波器記錄電流波形外，還應派專人監(jiān)視試品；每次試驗過后，應對電流波形、氣體繼電器進行觀察，并測量該分接的電抗值。短路試驗后應重復全部例行試驗，包括在100.0%規(guī)定試驗電壓下的絕緣試驗；如果規(guī)定了雷電沖擊試驗，也應在此階段中進行；低對于Ⅰ類變壓器，除絕緣試驗外的其他試驗項目，可以不做。</p><p style="text-indent:25px">下面就將常見變壓器變比測試儀在使用過程中常遇到的問題匯總：1、測試時將高低壓測試線接反，這種情況在常見變比測試儀會將儀器損壞。在一些新測試儀中加裝了保護裝置，測試線接反時會將測試回路的保險絲熔斷。2、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。3、測試注意事項夾線鉗必須可靠夾緊，避免測試過程中夾線鉗掉落，在以往測試中發(fā)現(xiàn)，測試中夾線鉗掉落，繼而導致儀器損壞。4、測試過程中禁止觸摸被測試變壓器接線銅牌?，F(xiàn)場對變壓器變比是否損壞的檢測方法；1、用被檢測的變比測試儀對已經(jīng)測試合格的變壓器進行復測，與合格數(shù)據(jù)進行對比。2、將高低壓側(cè)測試線鉗A-a；B-b；C-c夾住，進行測試。此時變比測量結(jié)果應該為1。部分廠家不建議用此方法測試，存在一定的爭議。測出三相變壓器本身變比的不平衡程度，確定零序分量的大小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南變壓器標準,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368500371094/6122012.png"></div><p style="text-indent:25px">變壓器綜合測試臺的特點有： 1.可顯示測量電流和測量時間。 2.可儲存120次測量數(shù)據(jù)，斷電不丟失。 3.全部漢字菜單及操作提示，直觀方便。 4.測量數(shù)據(jù)穩(wěn)定。 5.智能化功率管理技術(shù)，可有效減輕儀器內(nèi)部發(fā)熱。 6.高度智能化設計，功能設置巧妙先進，可自動判斷測試線虛接、斷線等故障。 7.保護功能完善，能可靠保護反電勢對儀器的沖擊，具有自動放電指示功能。 8.響應速度快，在測量狀態(tài)可以直接轉(zhuǎn)換分接開關(guān)，儀器會自動提示，新的電阻值很快就會顯示出來。 9.自動程控電流源技術(shù)，無須手動切換電流檔。儀器在運輸、儲存及工作中應避免強烈震動、陽光直射和磁場的影響。湖北變壓器綜合監(jiān)測</p><p style="text-indent:25px">變壓器的生產(chǎn)研發(fā)是非常復雜的，一般生產(chǎn)變壓器的廠家都是技術(shù)水平比較高的。云南變壓器標準</p><p style="text-indent:25px">大部分的變壓器均有固定的鐵芯，其上繞有一次與二次的線圈?；阼F材的高導磁性，大部分磁通量局限在鐵芯里，因此，兩組線圈藉此可以獲得相當高程度之磁耦合。在一些變壓器中，線圈與鐵芯二者間緊密地結(jié)合，其一次與二次電壓的比值幾乎與二者之線圈匝數(shù)比相同。因此，變壓器之匝數(shù)比，一般可作為變壓器升壓或降壓的參考指標。由于此項升壓與降壓的功能，使得變壓器已成為現(xiàn)代化電力系統(tǒng)之一重要附屬物，提升輸電電壓使得長途輸送電力更為經(jīng)濟，至于降壓變壓器，它使得電力運用方面更加多元化，可以這樣說，沒有變壓器，現(xiàn)代工業(yè)無法達到現(xiàn)狀。云南變壓器標準</p><p style="text-indent:25px">深圳市展榮新精密電子有限公司位于航城街道黃田社區(qū)崗貝工業(yè)區(qū)綜合樓10棟401。公司業(yè)務涵蓋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)品等，價格合理，品質(zhì)有保證。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。展榮新精密電子秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2829821.html</p></div></div></div></div></div><div id="nhjvho2" class="page-right twoColRt"><div id="3tk872u" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cg38o8j" 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="ajqxeqs" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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