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href="http://www.cdcfah.com/cp/third-dgyqybwr_dyclybej/">電壓測量儀表</a>?云南變壓器交流耐壓測試儀報價 **** 深圳市茂迪機電設備供應</p><div id="eo4mg9e" class="leftbox clearfix"><h1>云南變壓器交流耐壓測試儀報價 **** 深圳市茂迪機電設備供應</h1><div id="awmt6l6" class="proBig"><div id="iopslbh" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637366435236406250/6364798.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qwspac5" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637366435236406250/6364798.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="9cd9xim" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>云南變壓器交流耐壓測試儀報價,耐壓測試儀</p><p><span>***更新：</span>2020-10-17 09:11:08</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="crykv44" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市茂迪機電設備有限公司</a></p><p><span>聯(lián)系人：</span>黃富強</p><p><span>郵箱: </span>fuqiang.huang@maodi.net</p><p><span>電話: </span>13509625980</p><p><span>傳真: </span>0755_</p><p><span>網址: </span>http://www.maodi.net</p><p><span>手機: </span>0755-83280136</p><p><span>地址: </span>深南大道6006號華豐大廈2803、2804</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="qz8yzwb" class="page-proshow02"><p class="title">詳細說明</p><div id="hdrevxo" class="box"><p><p style="text-indent:25px">耐壓測試系統(tǒng)漏電流的測試范圍是0mA ~20mA，測試開始時，被測設備漏電流通過電流互感器，然后經I/V轉換電路將采樣電流轉換成電壓在單片機內進行相應的A/D轉換和計算，**終得到被測設備在設定電壓條件下的泄漏電流值，通過和安全標準規(guī)定的泄漏電流值相比較，就可以檢驗設備耐壓測試是否合格。實際測試時，云南變壓器交流耐壓測試儀報價，云南變壓器交流耐壓測試儀報價，在電流互感器二次側設計了過流保護電路，當有過流情況出現(xiàn)時，例如被測設備被擊穿或者被測設備絕緣缺陷，電源迅速被切斷，云南變壓器交流耐壓測試儀報價，測試被終止以保護測試系統(tǒng)不被損壞。耐壓測試儀使用方法教程視頻。云南變壓器交流耐壓測試儀報價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南變壓器交流耐壓測試儀報價,耐壓測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637366435236406250/6364798.png"></div><p> (3)顯示電路顯示器顯示升壓變壓器輸出電壓值。顯示由電流取樣部分的電流值，及時間電路的時間值一般為***。 </p> <p> (4)以上是傳統(tǒng)的耐電壓試驗儀的結構組成。隨著電子技術及單片，計算機技術飛速發(fā)展;程控耐壓測試儀這幾年也發(fā)展很快，程控耐壓儀與傳統(tǒng)的耐壓儀不同之處主要是升壓部分。程控耐壓儀高壓升壓不是通過市電由調壓器來調節(jié)，而是通過單片計算機控制產生一個50Hz或60Hz的正弦波信號再通過功率放大電路進行放大升壓，輸出電壓值也由單片計算機進行控制，其它部分原理與傳統(tǒng)耐壓儀差別不大。缺點:現(xiàn)場抗干擾性弱;可靠性不如機械式;成本高。廣西絕緣耐壓測試儀哪種好株洲_工頻耐壓測試儀多少錢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南變壓器交流耐壓測試儀報價,耐壓測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637366434302011719/9725474.png"></div><p> 耐壓測試儀，又叫電氣絕緣強度試驗儀，或叫介質強度測試儀，也有稱介質擊穿裝置、絕緣強度測試儀、高壓實驗儀、高壓擊穿裝置、耐壓試驗儀等。將一規(guī)定交流或直流高壓施加在電器帶電部分和非帶電部分（一般為外殼）之間以檢查電器的絕緣材料所能承受耐壓能力的試驗。電器在長期工作中，不僅要承受額定工作電壓的作用，還要承受操作過程中引起短時間的高于額定工作電壓的過電壓作用（過電壓值可能會高于額定工作電壓值的好幾倍）。在這些電壓的作用下，電氣絕緣材料的內部結構將發(fā)生變化。當過電壓強度達到某一定值時，就會使材料的絕緣擊穿，電器將不能正常運行，操作者就可能觸電，危及人身安全。電氣安全主要測試指標包括交/直流耐壓、絕緣電阻、泄漏電流、接地電阻等。 </p> <p> 深圳市茂迪機電設備有限公司黃富強，專業(yè)經營各種進口品牌耐壓測試儀，PROFITEST PRIME交流耐壓測試儀 </p><p> 耐壓測試的基本原理：把一個高于正常工作的電壓加在被測設備的絕緣體上，并持續(xù)一段規(guī)定的時間，如果其間的絕緣性足夠好，加在上面的電壓就只會產生很小的漏電流。如果一個被測設備絕緣體在規(guī)定的時間內，其漏電電流保持在規(guī)定的范圍內，就可以確定這個被測設備可以在正常的運行條件下安全運行。進行耐壓測試時，技術規(guī)格不同被測試品，測量標準也就不同。對一般被測設備，耐壓測試是測量火線與機殼之間的漏電流值，基本規(guī)定是：以兩倍于被測物的工作電壓再加1000V作為測試的標準電壓。部分產品的測試電壓可能高于這一規(guī)定值。按照IEC61010的規(guī)定，測試電壓必須在5s內逐漸地上升到所要求的試驗電壓值（例如5kV等），保證試驗電壓值穩(wěn)定加在被測絕緣體上不少于5s，此時所測回路的漏電流值與標準規(guī)定的泄漏電流閾值相比較，就可以判斷被測產品的絕緣性能是否符合標準。測試結束后，試驗電壓必須在規(guī)定的時間內逐漸地降至零。家具一般要打多少的耐壓做測試？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南變壓器交流耐壓測試儀報價,耐壓測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637366434940693359/3341505.png"></div><p> </p> <p> 變壓器剛出產時，沒有經過惡劣環(huán)境長時間的考驗，外施其額定電壓和頻率的電源作試驗，繞組匝間、層間和段間的電壓不足以達到電介質缺陷處的擊穿電壓難以造成這些絕緣缺陷處的放電和擊穿，這種存在絕緣故障隱患的變壓器與絕緣性能良好的同類變壓器的空載電流和空載功耗沒有太大的差別，故而難以發(fā)現(xiàn)這些隱患；而感應耐壓試驗給變壓器施加2倍額定電壓以上的電壓，可在縱絕緣缺陷處建立更高更集中的場強，繞組匝間、層間和段間的電壓達到并超過電介質缺陷處的擊穿電壓；感應耐壓試驗給變壓器施加頻率在2倍的額定頻率以上，較高的頻率又可以**降低固體電介質的擊穿電壓，使得絕緣缺陷更容易被擊穿；感應耐壓試驗所規(guī)定的外施電壓的作用時間亦可保證絕緣缺陷的擊穿；故感應耐壓試驗可以可靠地檢測出變壓器縱絕緣性能的好壞。 </p> <p> 變壓器耐壓測試儀耐壓測試VS擊穿測試，它們都有什么特點呢？廣西絕緣耐壓測試儀哪種好</p><p style="text-indent:25px">METRAHIT 27I耐壓絕緣測試儀。云南變壓器交流耐壓測試儀報價</p><p> 絕緣耐壓試驗 </p> <p> 絕緣耐壓試驗是檢驗和評定電工設備絕緣耐受電壓能力的一種技術手段。對一些缺少備品或修復時間較長的運行中關鍵設備，應慎重考慮是否進行絕緣耐壓試驗。 </p> <p> 檢驗和評定電工設備絕緣耐受電壓能力的一種技術手段。一切電工設備的帶電部分與接地部分之間，或與其他非等電位的帶電體之間，都需要采用絕緣結構使它們互相隔離，以保證設備正常運行。單一絕緣材料的介電強度是以沿厚度的平均擊穿電場強度來表示（單位是kV/cm）。電工設備的絕緣結構,如發(fā)電機、變壓器的絕緣等,由多種材料組合而成,結構形狀也極為復雜。絕緣結構任一局部范圍內的破壞都會使整個設備喪失絕緣性能。因此，一般只能用可以耐受多高的試驗電壓（單位為kV）來表示設備的整體絕緣能力。絕緣耐壓試驗電壓可表明設備能耐受的電壓水平，但這并不等同于該設備所實際具有的絕緣強度。電力系統(tǒng)絕緣配合的具體要求就是協(xié)調和制定各種電工設備的絕緣耐壓試驗電壓，以表明對該設備的絕緣水平要求。絕緣耐壓試驗是一種破壞性試驗（見絕緣試驗），因此，對一些缺少備品或修復時間較長的運行中關鍵設備，應慎重考慮是否進行絕緣耐壓試驗。云南變壓器交流耐壓測試儀報價</p><p style="text-indent:25px">深圳市茂迪機電設備有限公司擁有一般經營項目是：儀器儀表、通訊器材、機械設備、五金工具的購銷、技術維護、信息咨詢；國內貿易；貨物與技術的進出口業(yè)務。（法律、行政法規(guī)、國**決定禁止的項目除外，限制的項目須取得許可后方可經營），許可經營項目是：儀器儀表、通訊器材、機械設備、五金工具的安裝、維修。等多項業(yè)務，主營業(yè)務涵蓋電能質量分析儀，功率分析儀，亮度計，色差儀。一批專業(yè)的技術團隊，是實現(xiàn)企業(yè)戰(zhàn)略目標的基礎，是企業(yè)持續(xù)發(fā)展的動力。公司業(yè)務范圍主要包括：電能質量分析儀，功率分析儀，亮度計，色差儀等。公司奉行顧客至上、質量為本的經營宗旨，深受客戶好評。公司力求給客戶提供全數良好服務，我們相信誠實正直、開拓進取地為公司發(fā)展做正確的事情，將為公司和個人帶來共同的利益和進步。經過幾年的發(fā)展，已成為電能質量分析儀，功率分析儀，亮度計，色差儀行業(yè)出名企業(yè)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1590989.html</p></div></div></div></div></div><div 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