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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>山東變壓器容量分析儀,變壓器</p><p><span>***更新：</span>2020-09-03 22:15:27</p><p><span id="click" >瀏覽次數：2次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="etaxoax" 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="qfmoamo" class="page-proshow02"><p class="title">詳細說明</p><div id="nsebdk2" class="box"><p><p style="text-indent:25px">變壓器幾乎在所有的電子產品中都要用到，它原理簡單但根據不同的使用場合（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，山東變壓器容量分析儀，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，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，山東變壓器容量分析儀，這個缺憾可以通過通電檢查彌補，山東變壓器容量分析儀。用變壓器直流電阻測試儀進行測量，就是將被測量與一個性質相同的亢當測量單位的已知標準雖比較。山東變壓器容量分析儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東變壓器容量分析儀,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368205908203/8826371.png"></div><p style="text-indent:25px">變壓器（Transformer）是利用電磁感應的原理來改變交流電壓的裝置，主要構件是初級線圈、次級線圈和鐵芯（磁芯）。主要功能有：電壓變換、電流變換、阻抗變換、隔離、穩(wěn)壓（磁飽和變壓器）等。按用途可以分為：電力變壓器和特殊變壓器（電爐變、整流變、工頻試驗變壓器、調壓器、礦用變、音頻變壓器、中頻變壓器、高頻變壓器、沖擊變壓器、儀用變壓器、電子變壓器、電抗器、互感器等）<p>作用：<p>變壓器是一種靜止的電氣設備。它是根據電磁感應的原理，將某一等級的交流電壓和電流轉換成同頻率的另一等級電壓和電流的設備。作用：變換交流電壓、交換交流電流和變換阻抗。珠海全自動變壓器測試臺無論是供電可靠性，還是設備狀態(tài)評價，都需要設備能夠快捷、高能效、安全、準確、可靠的開展試驗工作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東變壓器容量分析儀,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368500371094/6122012.png"></div><p style="text-indent:25px">高壓變壓器容量測試儀一體機包含中國四大基本功能，相當于4種設備：有源變壓器容量測試儀、變壓器損耗模型參數測試儀、諧波分析儀、示波器。高壓變壓器容量測試儀可對企業(yè)各種不同變壓器的容量、空載電流、空載損耗、短路損耗、阻抗輸入電壓等一系列工頻參數數據進行一個精密的測量，并能根據測量空負載試驗時的電壓、電流失真度和諧波技術含量，還可以有效進行學習矢量問題分析。主要發(fā)展特點有：體積小、重量輕、測量結果準確度高、穩(wěn)定性好、操作更加簡便易學等優(yōu)點，完全無法取代我們以往學生利用多表法測量變壓器損耗和容量的方法，接線方式簡單，測試、記錄管理方便，大幅增加提高了社會工作環(huán)境效率。</p><p style="text-indent:25px">通過短路阻抗和負載損耗的測量，可以驗證這兩項指標是否在國家標準及用戶要求范圍內，同時還可以通過試驗發(fā)現繞組設計與制造及載流回路和結構的缺陷。 1、短路阻抗及負載損耗的測量，應當在試品的一個繞組的線端施加額定頻率，且近似正弦的電流，另一個繞組短路，各相處于同一個分接位置。測量應在50%～100.0%額定電流下進行；為避免繞組發(fā)熱對試驗結杲產生明顯誤差，試驗測量應迅速進行；同時準確記錄試驗時繞組溫度。 2、短路阻抗及負載損耗的測量與空載試驗的測量線路相同，只是測量中無需進行電壓波形校正。 3、短路阻抗及負載損耗的測量接線；對于額定電流很小的試品，儀表（電壓表及瓦特表電壓線圈）和電壓互感器的吸收電流在測量電流中不可忽略時，應將電壓取于電源。 4、短路阻抗是在額定頻率和參考溫度下，一對繞組中某一繞組端子之間的等效串聯阻抗；其百分數等于短路電壓與額定電壓之比，測量時應以三相電流的算術平均值為準。一般在住宅樓中大家可能覺得變壓器好像不是很常見，但其實它可能都是隱藏在電箱背后的，只不過大家看不見。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東變壓器容量分析儀,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368063710938/7461720.png"></div><p style="text-indent:25px">電勢差試驗方法及注意事項如下： (1) 在非被試繞組供給勵磁電壓，其大小應使每匝電壓為1V； (2) 連接并聯支路的一端，測量各同名端的電勢差，其電勢差應等于零；為了避免由于回路接觸不良造成電勢差為零，允許在測量中加入一匝，使電勢差為1V；臨時匝應分別正繞與反繞串入回路，其電勢差均應近似等于1V； (3) 為了避免因增加串聯匝數而使電勢差減小的現象，測量電勢差的電壓表應盡量采用高內阻的電壓表； (4) 電勢差試驗時被試繞組的電壓雖然只有1V，但其電位往往很高；在并聯支路中如有串聯線段，試驗中可將其打開，分別測量幾個并聯支路的電勢差，以降低被試繞組的電位； (5) 測量儀表的一端應可靠接地，儀表的量程開始應置于zui大位罝，送電指示正常后，再逐級縮小量程，以避免損壞儀表。如何能夠確保自己購買的變壓器直流電阻測試儀發(fā)揮出它原有的檢測性能，才能夠凸顯出它的高價值。湖南測量變壓器容量</p><p style="text-indent:25px">在測量和分析變壓器的直流電阻時，其電感很大，因此必須對它充電，以將自感效應降至比較低。山東變壓器容量分析儀</p><p style="text-indent:25px">電壓比測量所使用的儀器的精度和靈敏度均不應低于0.2%；電壓比測量中計算的比值應按各分接的銘牌電壓計算，當電壓百分數或對應匝數與銘牌電壓無差異時，可按電壓頁分數或匝數計算的比值。測量應分別在各分接上進行；有正、反勵磁的有載調壓變壓器，轉換選擇器正向連接時，如在所有分接選擇器位置進行了電壓比測量，反向連接時，允許只抽試1～2個分接。三繞組變壓器至少在包括***對繞組在內的兩對繞組上分別進行電壓比測量。絕緣裝配后的半成品電壓比測量，三相應分別進行相的電壓比測量；同時應檢查繞組的電壓矢量關系（繞向與標志）是否正確。引線裝配后或總裝配后的電壓比測量應分別對各分接進行電壓比測量，如果可能還應驗證聯結組及電壓矢量關系是否正確。山東變壓器容量分析儀</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。公司自成立以來，以質量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下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）系列產品深受客戶的喜愛。公司注重以質量為中心，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。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1146839.html</p></div></div></div></div></div><div id="3iewd8f" class="page-right twoColRt"><div id="ujaczgx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="smzqx2e" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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