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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cgszgnf" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368770742188/2167683.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7lqsp3d" 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>東莞高頻電子變壓器測試,變壓器</p><p><span>***更新：</span>2020-12-05 01:11:12</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="2ugy8nz" 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="7hoahg2" class="page-proshow02"><p class="title">詳細說明</p><div id="guwipwj" class="box"><p><p style="text-indent:25px">變壓器在安裝的時候需要注意以下事項： 1.應當安裝在供電范圍的負荷中心，一般都是比較靠近大的負荷。 2.安裝位置必須安全可靠，運輸方便，便于吊裝檢修，符合城鎮(zhèn)規(guī)劃。這點是相對比較重要的。 3.對于安在變壓器桿上的，應保證足夠堅固，臺面距地應有3米高，應有警示標志，接地線應有護套，不得裝于大的轉角桿、分支桿；不易巡視吊裝的電桿；架空線、接戶線過多的電桿，東莞高頻電子變壓器測試。一定要保證用電的安全以及人員安全，避免造成不必要的事故。 4，東莞高頻電子變壓器測試.按說3米還是滿足安全距離的。應該讓開窗戶，東莞高頻電子變壓器測試，以不影響采光、通風、觀景，以人為本嘛，環(huán)境的舒適敞亮。及時消除故障和補充油，確保油位保持在油標1/4-3/4處對于變壓器保持穩(wěn)定是非常有必要的。東莞高頻電子變壓器測試</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞高頻電子變壓器測試,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368770742188/2167683.png"></div><p style="text-indent:25px">干式變壓器外部檢查項目：（1）檢查變壓器的套管、繞組樹脂絕緣外表層是否清潔、有無爬電痕跡和碳化現象；（2）變壓器高低壓套管引線接地緊密無發(fā)熱，并無裂紋及放電現象；（3）檢查緊固件、連接件、導電零件及其它零件有無生銹、腐蝕的痕跡及導電零件接觸是否良好；（4）檢查電纜和母線有無異常；（5）檢查風冷系統(tǒng)的溫度箱中電氣設備運行是否正常及信號系統(tǒng)有無異常；（6）在遮欄外細聽變壓器的聲音，判斷有無異常及運行是否正常；（7）檢查變壓器底座、欄桿、變壓器室電纜接地線等接地是否可靠良好；（8）用溫度檢查儀檢查接觸器部位及外殼溫度有無超標現象。安徽變壓器特性試驗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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞高頻電子變壓器測試,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368205908203/8826371.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常現象。 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) 氣體繼電器內應無氣體。 9) 個控制箱和二次端子箱應關嚴，無受潮。</p><p style="text-indent:25px">變壓器設計制造完成后，其線圈和內部結構就確定下來，因此對一臺多繞組的變壓器線圈而言，如果電壓等級相同、繞制方法相同，則每個線圈對應參數(Ci、Li)就應該是確定的。因此每個線圈的頻域特征響應也隨之確定，對應的三相線圈之間其頻率圖譜具有一定可比性。變壓器在試驗過程中發(fā)生匝間、相間短路，或在運輸過程中發(fā)生沖撞，造成線圈相對位移，以及運行過程中在短路和故障狀態(tài)下因電磁拉力造成線圈變形，就會使變壓器繞組的分布參數發(fā)生變化。進而影響并改變變壓器原有的頻域特征，即頻率響應發(fā)生幅度變化和諧振頻點偏移等。在檢查變壓器的時候需要注意對套管進行定期檢查。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞高頻電子變壓器測試,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368417158203/3339392.png"></div><p style="text-indent:25px">對于Ⅰ類和Ⅱ類的單相變壓器，試驗次數為三次；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。變壓器耐壓試驗設備組成部件：由變頻電源、勵磁變壓器、高壓電抗器和電容分壓器組成。東莞高頻電子變壓器測試</p><p style="text-indent:25px">對于特高電壓等級的輸變電設備，沖擊耐壓試驗是非常重要的例行試驗。東莞高頻電子變壓器測試</p><p> 關于變壓器容量計算的一些問題1、變壓器的額定容量，應該是變壓器在規(guī)定的使用條件下，能夠保證變壓器正常運行的比較大載荷視在功率；2、這個視在功率就是變壓器的輸出功率，也是變壓器能帶比較大負載的視在功率；3、變壓器額定運行時，變壓器的輸出視在功率等于額定容量；4、變壓器額定運行時，變壓器的輸入視在功率大于額定容量；5、由于變壓器的效率很高，一般認為變壓器額定運行時，變壓器的輸入視在功率等于額定容量，由此進行的運算及結果也是基本準確的；6、所以在使用變壓器時，你只要觀察變壓器輸出的電流、電壓、功率因數及其視在功率等于或小于額定容量就是安全的(使用條件滿足時)；7、有人認為變壓器有損耗，必須在額定容量90%以下運行是錯誤的！8、變壓器在設計選用容量時，根據計算負荷要乘以安全系數是對的?？梢钥吹阶儔浩魅萘坑嬎闫鋵嵅浑y。主要是要注意變壓器容量計算的一些問題。東莞高頻電子變壓器測試</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。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。展榮新精密電子立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術理念，飛快響應客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2267199.html</p></div></div></div></div></div><div id="3s222ip" class="page-right twoColRt"><div id="8pg3jfw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qacjgx8" 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