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clearfix"><h1>上海APT電流互感器規(guī)格尺寸歡迎咨詢上海喆和機電科技供應(yīng)</h1><div id="nhebi9i" class="proBig"><div id="qfhtqkl" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087534940225/6371670875349402255061651.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lvxphls" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087534940225/6371670875349402255061651.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="glifc4c" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海APT電流互感器規(guī)格尺寸,電流互感器</p><p><span>***更新：</span>2020-11-16 11:03:27</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="34eyzov" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海喆和機電科技有限公司</a></p><p><span>聯(lián)系人：</span>李小雅</p><p><span>郵箱: </span>shzh-sh@qq.com</p><p><span>電話: </span>13761188658</p><p><span>傳真: </span>021_53862782</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>021-53862782</p><p><span>地址: </span>上海市靜安區(qū)恒豐北路100號</p><p>[當(dāng)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="ztqi8jn" class="page-proshow02"><p class="title">詳細說明</p><div id="kebysgs" class="box"><p><p> 上海喆和銷售西門子APT原廠ALH-0，上海APT電流互感器規(guī)格尺寸.66電流互感器 </p> <p> 型號 </p> <p> ALH-0.66 80III 700/5 </p> <p> 型號 </p> <p> ALH-0.66 40I 1000/1 15VA ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 85/5ML </p> <p> 型號 </p> <p> ALH-0.66 100III 3000/5EP </p> <p> 型號 </p> <p> ALH-0.66 M8-I 40/1ML </p> <p> 型號 </p> <p> ALH-0.66 100II 630/1ML </p> <p> 型號 </p> <p> ALH-0.66 60*50II 400/5ML </p> <p> 型號 </p> <p> ALH-0.66 80*50II 1500/2.5M </p> <p> 型號 </p> <p> ALH-0.66 30I 30/5ML </p> <p> 型號 </p> <p> ALH-0.66 40II 250/11R10VA </p> <p> 型號 </p> <p> ALH-0.66 40II 800/50.2RML </p> <p> 型號 </p> <p> ALH-0.66 40II 150/5ML </p> <p> 型號 </p> <p> ALH-0.66 100*50II 3200/1M </p> <p> 型號 </p> <p> ALH-0.66 30I-I 75/50.5R5VA </p> <p> 型號 </p> <p> ALH-0.66 30I 200/50.2R2.5V </p> <p> 型號 </p> <p> ALH-0.66 D12 800/5EPZZ </p> <p> 型號 </p> <p> ALH-0.66 60II 1500/5ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 40/10.5R5VA </p> <p> 型號 </p> <p> ALH-0.66 60II 500/5ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 40/5H </p> <p> 型號 </p> <p> ALH-0.66 40II 400/2，上海APT電流互感器規(guī)格尺寸.5ML </p> <p> 型號 </p> <p> ALH-0.66 40II 300/115VAML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 100/11R5VA </p> <p> 型號 </p> <p> ALH-0.66 170*100II 5000/5 </p> <p> 型號 </p> <p> ALH-0.66 120*50II 1250/5 </p> <p> 型號 </p> <p> ALH-0.66 60*50II 1000/1ML </p> <p> 型號 </p> <p> ALH-0.66 80*50II 800/1ML </p> <p> 型號 </p> <p> ALH-0.66 M8-I 100/1ML </p> <p> 型號 </p> <p> ALH-0，上海APT電流互感器規(guī)格尺寸.66 100II 1000/5ML </p> <p> 型號 </p> <p> ALH-0.66 80*50II 600/5ML </p> <p> 型號 </p> <p> ALH-0.66 30I 350/5ML </p> <p> 型號 </p> <p> ALH-0.66 220*50II 5000/5M </p> <p> ALH-0.66 D12 500/5XGZZ </p> <p> 型號 </p> <p> ALH-0.66 100III 1500/5EP </p> <p> 型號 </p> <p> ALH-0.66 60II 1500/1 </p> <p> 型號 </p> <p> ALH-0.66 80*50II 1000/1ML </p> <p> 型號 </p> <p> ALH-0.66 100*50II 2000/2.5 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 50III電流互感器.上海APT電流互感器規(guī)格尺寸</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海APT電流互感器規(guī)格尺寸,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087534940225/6371670875349402255061651.png"></div><p> 上海喆和定制銷售西門子電流互感器ALH-0.66系列。 </p> <p> 電流互感器1次側(cè)只有1到幾匝，導(dǎo)線截面積大，串入被測電路。2次側(cè)匝數(shù)多，導(dǎo)線細，與阻抗較小的儀表(電流表/功率表的電流線圈）構(gòu)成閉路。電流互感器的運行情況相當(dāng)于2次側(cè)短路的變壓器，忽略勵磁電流，安匝數(shù)相等I1N1=I2N2電流互感器一次繞組電流I1與二次繞組I2的電流比，叫實際電流比I1/I2=N2/N1=k。勵磁電流是誤差的主要根源。測量用電流互感器的精度等級0.2/0.5/1/3,1表示變比誤差不超過±1%，另外還有0.2S和0.5S級。2、保護用電流互感器保護用電流互感器分為：1.過負(fù)荷保護電流互感器，2.差動保護電流互感器，3.接地保護電流互感器（零序電流互感器）保護用電流互感器主要與繼電裝置配合，在線路發(fā)生短路過載等故障時，向繼電裝置提供信號切斷故障電路，以保護供電系統(tǒng)的安全。保護用電流互感器的工作條件與測量用電流保護用電流互感器互感器完全不同，保護用互感器只是在比正常電流大幾倍幾十倍的電流時才開始有效的工作。保護用互感器主要要求：1.絕緣可靠，2.足夠大的準(zhǔn)確限值系數(shù)，3.足夠的熱穩(wěn)定性和動穩(wěn)定性。上海APT電流互感器規(guī)格尺寸上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 80I電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海APT電流互感器規(guī)格尺寸,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087626920413/6371670876269204131239849.png"></div><p> 上海喆和定制銷售西門子電流互感器。按絕緣介質(zhì)分類1、干式電流互感器[4]：由普通絕緣材料經(jīng)浸漆處理作為絕緣。2、澆注式電流互感器：用環(huán)氧樹脂或其他樹脂混合材料澆注成型的電流互感器。3、油浸式電流互感器：由絕緣紙和絕緣油作為絕緣，一般為戶外型。4、氣體絕緣電流互感器：主絕緣由氣體構(gòu)成。按安裝方式分類1、貫穿式電流互感器[5]：用來穿過屏板或墻壁的電流互感器。2、支柱式電流互感器：安裝在平面或支柱上，兼做一次電路導(dǎo)體支柱用的電流互感器。3、套管式電流互感器：沒有一次導(dǎo)體和一次絕緣，直接套裝在絕緣的套管上的一種電流互感器。4：母線式電流互感器：沒有一次導(dǎo)體但有一次絕緣，直接套裝在母線上使用的一種電流互感器。按原理分類1、電磁式電流互感器根據(jù)電磁感應(yīng)原理實現(xiàn)電流變換的電流互感器。2、電子式電流互感器[6]例如（1）光學(xué)電流互感器是指采用光學(xué)器件作被測電流傳感器，光學(xué)器件由光學(xué)玻璃、全光纖等構(gòu)成。（2）空心線圈電流互感器。又稱為Rogowski線圈式電流互感器?？招木€圈往往由漆包線均勻繞制在環(huán)形骨架上制成，骨架采用塑料、陶瓷等非鐵磁材料，其相對磁導(dǎo)率與空氣的相對磁導(dǎo)率相同。 </p><p> 西門子APT電流互感器上海喆和供，電流互感器原理是依據(jù)電磁感應(yīng)原理的。電流互感器是由閉合的鐵心和繞組組成。它的一次側(cè)繞組匝數(shù)很少，串在需要測量的電流的線路中，因此它經(jīng)常有線路的全部電流流過，二次側(cè)繞組匝數(shù)比較多，串接在測量儀表和保護回路中，電流互感器在工作時，它的二次側(cè)回路始終是閉合的，因此測量儀表和保護回路串聯(lián)線圈的阻抗很小，電流互感器的工作狀態(tài)接近短路。電流互感器是把一次側(cè)大電流轉(zhuǎn)換成二次側(cè)小電流來使用，二次側(cè)不可開路。 </p> <p> 西門子APT電流互感器上海喆和供電流互感器是由閉合的鐵心和繞組組成。它的一次繞組匝數(shù)很少，串在需要測量的電流的線路中，因此它經(jīng)常有線路的全部電流流過，二次繞組匝數(shù)比較多，串接在測量儀表和保護回路中，電流互感器在工作時，它的2次回路始終是閉合的，因此測量儀表和保護回路串聯(lián)線圈的阻抗很小，電流互感器的工作狀態(tài)接近短路。 </p> <p> 西門子APT電流互感器上海喆和供電流互感器的作用是可以把數(shù)值較大的一次電流通過一定的變比轉(zhuǎn)換為數(shù)值較小的二次電流，用來進行保護、測量等用途。如變比為400/5的電流互感器，可以把實際為400A的電流轉(zhuǎn)變?yōu)?A的電流。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 180II電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海APT電流互感器規(guī)格尺寸,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087691485417/6371670876914854172826101.png"></div><p> 由于一次繞組與二次繞組有相等的安培匝數(shù)，I1N1=I2N2，電流互感器額定電流比：。電流互感器實際運行中負(fù)荷阻抗很小，二次繞組接近于短路狀態(tài)，相當(dāng)于一個短路運行的變壓器。2、電流互感器的接線原則(1)電流互感器二次側(cè)不允許開路。二次開路可能產(chǎn)生嚴(yán)重后果，一是鐵芯過熱，甚至燒毀互感器;二是由于二次繞組匝數(shù)很多，會感應(yīng)出危險的高電壓，危及人身和設(shè)備的安全。(2)高壓電流互感器的二次側(cè)必須有一點接地。由于高壓電流互感器的一次側(cè)為高壓，當(dāng)一、二次線圈之間因絕緣損壞出線高壓擊穿時，將導(dǎo)致高壓進入低壓，如果二次線圈一點接地，則將高壓引入了大地，可確保人身及設(shè)備的安全。但應(yīng)當(dāng)注意，電流互感器的二次回路只允許一點接地，而不允許再有接地，否則有可能引起分流，影響使用。低壓電流互感器的二次線圈不應(yīng)該接地。由于低壓互感器的電壓較低，一、二次線圈間的絕緣欲度大，發(fā)生一、二次線圈擊穿的可能性小，另外，二次線圈的不接地將使二次回路及儀表的絕緣能力提高，還可使雷擊燒毀儀表***減少。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 130*65II電流互感器.上海APT電流互感器來電咨詢</p><p style="text-indent:25px">上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 100I電流互感器.上海APT電流互感器規(guī)格尺寸</p><p> 電流互感器二次開路電壓特性 </p> <p> 對每一種電流互感器，二次開路電壓隨著一次電流的變化，都有嚴(yán)格的對應(yīng)關(guān)系，*以一次額定電流時的二次開路電壓值說明。對母線穿心式150／5的電流互感器，當(dāng)穿心電流為額定值時，不同品種的電流互感器二次開路電壓為2．6～2；4V。80條二次開路電壓特性曲線的規(guī)律是：一次穿心電流從0A增至150A時，二次開路電壓開始上升幅度很大，30A以后增加甚小(即使從150A增至800A，二次開路電壓平均只上升0．2V)。 </p> <p> 母線穿心式200/5的電流互感器，二次開路電壓是3．9～6．5V；母線穿心式 300／5—2000／5的電流互感器，二次開路電壓為6．5～37．2V。 </p> <p> LQG系列從30／5—600／5的電流互感器，二次開路電壓是12．8～21．4V。 </p> <p> 變電站用的LQJ，LFC，LFCD系列50／5～300／5的電流互感器，二次開路電壓是18～121．3V。 </p> <p> 在第二次伏安特實驗臺上，利用調(diào)壓器、電流表、導(dǎo)線將所有的電流互感器二次線圈分別接人調(diào)壓器的輸出端，當(dāng)二次輸入5A電流時，測得二次電壓和一次加額定電流時測得的二次開路電壓都有嚴(yán)格的對應(yīng)關(guān)系。若用公式計算，二次開路電壓等于二次閉路轉(zhuǎn)為開路一次電壓的增量乘以變化。從正反兩方面實驗和法拉第電磁感應(yīng)定律推導(dǎo)結(jié)論證明了二次開路電壓測試值的真實性上海APT電流互感器規(guī)格尺寸</p><p style="text-indent:25px">上海喆和機電科技有限公司致力于電工電氣，是一家貿(mào)易型公司。公司業(yè)務(wù)涵蓋編程控制器，光電傳感器，變頻器，軟啟動器等，價格合理，品質(zhì)有保證。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造電工電氣良好品牌。上海喆和機電科秉承“客戶為尊、服務(wù)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/2015352.html</p></div></div></div></div></div><div id="t3dxebn" class="page-right twoColRt"><div id="dnu3g8u" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wldspwy" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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