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#f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>上海上海二工電流互感器便宜,電流互感器</p><p><span>***更新：</span>2020-12-05 00:13:00</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="qplduwi" 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="fj2tdk8" class="page-proshow02"><p class="title">詳細說明</p><div id="83kmtvm" class="box"><p><p> 上海喆和定制銷售西門子電流互感器ALH-0.66系列。 </p> <p> 電流互感器原理 [2] 是依據(jù)電磁感應原理的。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，它的二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> 在發(fā)電、變電、輸電、配電和用電的線路中電流大小懸殊，從幾安到幾萬安都有。為便于測量、保護和控制需要轉換為比較統(tǒng)一的電流，另外線路上的電壓一般都比較高如直接測量是非常危險的。電流互感器就起到電流變換和電氣隔離作用 [1] 。對于指針式的電流表，電流互感器的二次電流大多數(shù)是安培級的（如5A等）。對于數(shù)字化儀表，采樣的信號一般為毫安級（0-5V、4-20mA等）。微型電流互感器二次電流為毫安級，主要起大互感器與采樣之間的橋梁作用。微型電流互感器也有人稱之為“儀用電流互感器”，上海上海二工電流互感器便宜。（“儀用電流互感器”有一層含義是在實驗室使用的多電流比精密電流互感器，上海上海二工電流互感器便宜，一般用于擴大儀表量程，上海上海二工電流互感器便宜。）上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 100*85II電流互感器.上海上海二工電流互感器便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海上海二工電流互感器便宜,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167088129589451/6371670881295894516977483.png"></div><p> 上海喆和供應西門子APT電流互感器ALH-0.66 </p> <p> 消除誤差的方法兩年內(nèi)我們探索了導線、分數(shù)匝、電容、電感、電阻絲等對正比差補償方法。1995年底，我們終于找到了可使電流互感器正、負比差都明顯減小的技術方案。例如23號200／5的電流互感器，當母線穿心一匝，一次電流為180A時，二次顯示194A，正比差為14A，一次電流為5A，二次示數(shù)為0A，負比差為5A。利用這種技術方案，可以使該電流互感器一次電流從0A到額定電流的整個區(qū)間，正比差為0A，負比差額定值為lA，從而發(fā)現(xiàn)了降低電流互感器比差的技術方案。電流互感器的負載特性當二次測所接負載阻抗遠大于銘牌上標定的阻抗時，電流互感器是一恒壓源。例如9號150／5互感器，銘牌上標定的阻抗為0．2Ω。當一次電流為150A，二次開路時，用MFl73型萬用表交流10V檔，精度為9kΩ／V，相當于在二次回路上串聯(lián)90kΩ的電阻，測得其電壓為2．6V；當二次測并接15Ω300磁場變阻器，分別取阻值15Ω、7．5Ω、3．75Ω時，二次電壓仍為2．6V；當取1．875Ω時二次電壓才降為2．55V，有力地證明了上述結論。當外阻遠小于標定阻抗時，電流互感器接近一恒流源。例如9號150／5互感器，將一次電流調至135A。上海銷售西門子電流互感器便宜上海喆和定制銷售西門子APT電流互感器ALH-0.66.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海上海二工電流互感器便宜,電流互感器" src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167636036010136/6371676360360101362181842.png"></div><p> 上海喆和定制銷售西門子APT原廠電流互感器，交貨快，款式種類多，個性化定制等。 </p> <p> 型號 </p> <p> ALH-0.66 30I-I 250/110VA ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 30/50.5R2.5A 4T </p> <p> 型號 </p> <p> ALH-0.66 30I-I 15/5ML </p> <p> 型號 </p> <p> ALH-0.66 D12 400/5XGZZ </p> <p> 型號 </p> <p> ALH-0.66 30I 400/5ML </p> <p> 型號 </p> <p> ALH-0.66 80III 1200/5EP </p> <p> 型號 </p> <p> ALH-0.66 60II 1250/5 </p> <p> 型號 </p> <p> ALH-0.66 30I 100/50.2RML </p> <p> 型號 </p> <p> ALH-0.66 40I 5/5 </p> <p> 型號 </p> <p> ALH-0.66 100II 1600/1ML </p> <p> 型號 </p> <p> ALH-0.66 60I 1200/5ML </p> <p> 型號 </p> <p> ALH-0.66 60I 600/5ML </p> <p> 型號 </p> <p> ALH-0.66 60*50II 300/5ML </p> <p> 型號 </p> <p> ALH-0.66 100*50II 2000/1ML </p> <p> 型號 </p> <p> ALH-0.66 50II 200/5ML </p> <p> 型號 </p> <p> ALH-0.66 30I 50/50.5R2.5VA 2T </p> <p> 型號 </p> <p> ALH-0.66 80II 1200/1ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 40/11R2.5VA ML </p> <p> 型號 </p> <p> ALH-0.66 M8-I 25/5ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 20/11R0.4VA </p> <p> <br /> </p> <p> 型號 </p> <p> ALH-0.66 40II 100/15VAML </p> <p> 型號 </p> <p> ALH-0.66 100*50II 2500/1ML </p> <p> 型號 </p> <p> ALH-0.66 100II 2500/1ML </p> <p> 型號 </p> <p> ALH-0.66 60III 600/50.2RML </p> <p> 型號 </p> <p> ALH-0.66 50II 300/5ML </p> <p> 型號 </p> <p> ALH-0.66 80*50II 2500/5ML </p> <p> 型號 </p> <p> ALH-0.66 60II 1200/1ML </p> <p> 型號 </p> <p> ALH-0.66 40II 600/1ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 75/1ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 150/1ML </p> <p> 型號 </p> <p> ALH-0.66 M8-I 50/50.5R </p> <p> 型號 </p> <p> ALH-0.66 30I-I 100/1H </p> <p> 型號 </p> <p> ALH-0.66 60*50II 1500/2.5M </p> <p> 型號 </p> <p> ALH-0.66 50II 800/1ML </p> <p> 型號 </p> <p> ALH-0.66 40I 50/5ZZ </p> <p> 型號 </p> <p> ALH-0.66 30I-I 60/51T </p> <p> <br /> </p> <p> 型號 </p> <p> ALH-0.66 40I 100/50.5R </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p><p> 上海喆和銷售西門子電流互感器ALH-0.66系列 </p> <p> 測量用電流互感器的精度等級±1%，另外還有。保護用電流互感器的精度等級5P/10P，10P標示復合誤差不超過10%。折疊保護用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。保護用微型電流互感器的工作條件與測量用互感器完全不同，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.足夠大的準確限值系數(shù)，3.足夠的熱穩(wěn)定性和動穩(wěn)定性。保護用互感器在額定負荷下能夠滿足準確級的要求比較大一次電流叫額定準確限值一次電流。準確限值系數(shù)就是額定準確限值一次電流與額定一次電流比。當一次電流足夠大時鐵芯就會飽和起不到反映一次電流的作用，準確限值系數(shù)就是表示這種特性。保護用互感器準確等級5P、10P，表示在額定準確限值一次電流時的允許誤差5%、10%線路發(fā)生故障時的沖擊電流產(chǎn)生熱和電磁力，保護用電流互感器必須承受。二次繞組短路情況下，電流互感器在一秒內(nèi)能承受而無損傷的一次電流有效值，稱額定短時熱電流。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.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海上海二工電流互感器便宜,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167636099732514/6371676360997325149233996.png"></div><p> 上海喆和銷售西門子APT原廠ALH-0.66電流互感器 </p> <p> 型號 ALH-0.66 80II 600/1 </p> <p> 型號 ALH-0.66 80II 600/5ML </p> <p> 型號 ALH-0.66 100II 800/1ML </p> <p> 型號 ALH-0.66 30I-I 15/55VA8TM </p> <p> 型號 ALH-0.66 30I 50/1ML </p> <p> 型號 ALH-0.66 100*50II 1600/1M </p> <p> 型號 ALH-0.66 3CT150/5 </p> <p> 型號 ALH-0.66 60I 700/5ML </p> <p> 型號 ALH-0.66 40II 700/5 </p> <p> 型號 ALH-0.66 30I 300/1ML </p> <p> 型號 ALH-0.66 40I 100/5ML </p> <p> 型號 ALH-0.66 40II 600/115VAML </p> <p> 型號 ALH-0.66 30I-I 20/1 0.5R 5VA 10T ML </p> <p> 型號 ALH-0.66 40I 500/1ML </p> <p> 型號 ALH-0.66 50II 400/5ML </p> <p> 型號 ALH-0.66 30I-I 75/1 ML1R 2.5VA ML </p> <p> 型號 ALH-0.66 M8-I 60/5ML </p> <p> 型號 ALH-0.66 100I 600/5 0.2SR 5VA 1T </p> <p> 型號 ALH-0.66 60*50II 1500/5ML </p> <p> 型號 ALH-0.66 40II 400/5ML </p> <p> 型號 ALH-0.66 40II 250/1ML </p> <p> 型號 ALH-0.66 60II 350/5ML </p> <p> 型號 ALH-0.66 30I-I 50/5H </p> <p> 型號 ALH-0.66 30I-I 100/5ML </p> <p> 型號 ALH-0.66 60*50II 1200/1ML </p> <p> 型號 ALH-0.66 30I-I 5/10.2VAML </p> <p> 型號 ALH-0.66 80*50II 1250/2.5ML </p> <p> 型號 ALH-0.66 80*50II 500/5ML </p> <p> 型號 ALH-0.66 80II 800/1ML </p> <p> 型號 ALH-0.66 30I-I 15/1 2.5VA 8T ML </p> <p> 型號 ALH-0.66 M8-II 75/50.5R </p> <p> 型號 ALH-0.66 30I 40/1ML </p> <p> 型號 ALH-0.66 M8-I 100/5ML </p> <p> 型號 ALH-0.66 40II 700/50.2RML </p> <p> 型號 ALH-0.66 M8-II 50/5XGZZ </p> <p> 型號 ALH-0.66 50II 1000/5ML </p> <p> 型號 ALH-0.66 30I 250/1ML </p> <p> 型號 ALH-0.66 40II 10/5 </p> <p> 型號 ALH-0.66 30I-I 25/1ML 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 60I電流互感器.上海上海二工電流互感器便宜</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 120III-P電流互感器.上海上海二工電流互感器便宜</p><p> 上海喆和銷售西門子APT原廠ALH-0.66電流互感器 </p> <p> 型號 ALH-0.66 60I 500/1 0.2R 5V </p> <p> 型號 ALH-0.66 D22 20/5 </p> <p> 型號 ALH-0.66 245*60II 5000/5 </p> <p> 型號 ALH-0.66 130*50II 4000/5 </p> <p> 型號 ALH-0.66 40II 600/5 0.2SR 5 </p> <p> 型號 ALH-0.66 100II 3200/5 </p> <p> 型號 ALH-0.66 200*50II 1000/5 </p> <p> 型號 ALH-0.66 170*50II 3000/5 </p> <p> 型號 ALH-0.66 100*85II 4000/5 0.2R 40VA </p> <p> 型號 ALH-0.66 80II 2000/5 0.5R10VA 690V ML </p> <p> 型號 ALH-0.66 30I-I 75/1-TH </p> <p> 型號 ALH-0.66 80II 2000/10.5R10 </p> <p> 型號 ALH-0.66 100*80II 3500/5 0.5R 40VA 1T </p> <p> 型號 ALH-0.66 60II 1200/5 0.2SR 20VA </p> <p> 型號 ALH-0.66 30I-I 150/5 0.2R1T 2.5VA </p> <p> 型號 ALH-0.66 30I-I 75/1H </p> <p> 型號 ALH-0.66 40II 15/5 0.5R 2.5VA 8T </p> <p> 型號 ALH-0.66 120*65II 4000/5 </p> <p> 型號 ALH-0.66 40II 400/5 0.2SR 2.5VA </p> <p> 型號 ALH-0.66 30I 500/1 </p> <p> 型號 ALH-0.66 D22 30/5 </p> <p> 型號 ALH-0.66 100*70II 3500/5 </p> <p> 型號 ALH-0.66 100*85II 4000/1 </p> <p> 型號 ALH-0.66 80II 1000/1 0.5R10VA 690V ML </p> <p> 型號 ALH-0.66 D22 50/5 </p> <p> 型號 ALH-0.66 100*70II 4000/5 </p> <p> 型號 ALH-0.66 60*50II 1500/50.2 SR </p> <p> 型號 ALH-0.66 60II 2000/5 0.2SR40VA </p> <p> 型號 ALH-0.66 130*50II 3000/5 </p> <p> 型號 ALH-0.66 30I-I 200/510VA </p> <p> 型號 ALH-0.66 40II 300/5 0.2SR 2.5VA </p> <p> 型號 ALH-0.66 170*50II 4000/5 </p> <p> 型號 ALH-0.66 80*50II 1000/5 0.2SR 15VA </p> <p> 型號 ALH-0.66 100*85II 3000/5 </p> <p> 型號 ALH-0.66 D8-I 5/5 上海上海二工電流互感器便宜</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，品質有保證。公司秉持誠信為本的經(jīng)營理念，在電工電氣深耕多年，以技術為先導，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造電工電氣良好品牌。上海喆和機電科立足于全國市場，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/2265375.html</p></div></div></div></div></div><div id="tjv8pbn" class="page-right twoColRt"><div id="c8ho3k9" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="sh2rbbn" 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="nx7tvx3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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