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"index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="dlawt4n" class="twoCol"><div id="bproqp4" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_gkxtjzbyb/">工控系統(tǒng)及裝備</a>?<a href="http://www.cdcfah.com/cp/third-gkxtjzbyb_plcod/">PLC</a>?上海銷售電流互感器貨源充足歡迎來電上海喆和機電科技供應</p><div id="obnuwfe" class="leftbox clearfix"><h1>上海銷售電流互感器貨源充足歡迎來電上海喆和機電科技供應</h1><div id="3khelih" class="proBig"><div id="gkmjlnp" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167636099732514/6371676360997325149233996.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="swd2yvi" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167636099732514/6371676360997325149233996.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oczy77b" 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>上海銷售電流互感器貨源充足,電流互感器</p><p><span>***更新：</span>2020-11-15 09:03:16</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="ibyvx3u" 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="qzrtvcj" class="page-proshow02"><p class="title">詳細說明</p><div id="jnah8gs" class="box"><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，上海銷售電流互感器貨源充足。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，上海銷售電流互感器貨源充足，上海銷售電流互感器貨源充足，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-0.66 100*70II電流互感器.上海銷售電流互感器貨源充足</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海銷售電流互感器貨源充足,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167636099732514/6371676360997325149233996.png"></div><p> 電流互感器的常見問題往往與制造缺點有關(guān)，具體如下：電流互感器的絕緣很厚，有的絕緣包繞松散，絕緣層間有皺折，加之真空處理不良，浸漬不完全而造成含氣空腔，從而易引起局部放電故障[12]電容屏尺寸與排列不符合設(shè)計要求，電流互感器故障原因統(tǒng)計[13]甚至少放電容屏，電容極板不光滑平整，甚至錯位或斷裂，使其均壓特性破壞。因此，當局部固體絕緣沿面的電場強度達到一定數(shù)值時，就會造成局部放電。上述局部放電的直接后果是使絕緣油裂解，在絕緣層間生成大量的x臘，介損增大。這種放電是有累積效應的，任其發(fā)展下去，油中氣體分析將可能出現(xiàn)電弧放電的特征。由于絕緣材料不清潔或含濕高，可能在其表面產(chǎn)生沿面放電。這種情況多見于一次端子引線沿墊塊表面放電某些連接松動或金屬件電位懸浮將導致火花放電，例如一次繞組支持螺母松動，造成一次繞組屏蔽鋁箔電位懸浮，末屏引線接觸或焊接不良甚至斷線，均會引起此類故障。次連接夾板、螺栓、螺母松動，末屏接地螺母松動，抽頭緊固螺母松動等，均可能使接觸電阻增大，從而導致局部過熱故障。此外，現(xiàn)場維護管理不當也應引起重視。例如，互感器進水受潮，雖然可能與制造廠的密封結(jié)構(gòu)和密封材料有關(guān)，但是。上海銷售電流互感器貨源充足上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 80*50II電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海銷售電流互感器貨源充足,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> 對于沒有采取補償措施的電流互感器，比差為負值，角差為正值，比差的***值和角差均隨電流增大而減小。采用補償?shù)霓k法可以減小互感器的誤差。一般通過在互感器上加繞附加繞組或增添附加鐵心，以及接入相應的電阻、電感、電容元件來補償。常用的補償法有匝數(shù)補償、分數(shù)匝補償、小鐵心補償、并聯(lián)電容補償?shù)?。校驗方法在進行電流互感器誤差試驗之前，通常需要檢查極性和退磁等試驗。極性檢查電流互感器一次繞組標志為P1、P2，二次繞組標志為S1、S2。若P1、S1是同名端，則這種標志叫減極性。一次電流從P1進，二次電流從S1出。極性檢查很簡單，除了可以在互感器校驗儀上進行檢查外，還可以使用直流檢查法。退磁檢查電流互感器在電流突然下降的情況下，互感器鐵芯可能產(chǎn)生剩磁。如電流互感器在大電流情況下突然切斷電源、二次繞組突然開路等。互感器鐵芯有剩磁，使鐵芯磁導率下降，影響互感器性能。長期使用后的互感器都應該退磁。互感器檢驗前也要退磁。退磁就是通過一次或二次繞組以交變的勵磁電流，給鐵芯以交變的磁場。從0開始逐漸加大交變的磁場(勵磁電流)使鐵芯達到飽和狀態(tài)，然后再慢慢減小勵磁電流到零，以消除剩磁。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 170*100II-P電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海銷售電流互感器貨源充足,電流互感器" src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167636036010136/6371676360360101362181842.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-0.66 100*50II 2500/5M </p> <p> 型號 ALH-0.66 60II 150/1ML </p> <p> 型號 ALH-0.66 30I-I 150/5ML </p> <p> 型號 ALH-0.66 100II 2500/5ML </p> <p> 型號 ALH-0.66 60*50II 2500/1ML </p> <p> 型號 ALH-0.66 30I-I 30/11R0.4VA </p> <p> 型號 ALH-0.66 30I-I 150/1H </p> <p> 型號 ALH-0.66 80II 150/5ML </p> <p> 型號 ALH-0.66 50II 800/5ML </p> <p> 型號 ALH-0.66 30I-I 50/50.5RML </p> <p> 型號 ALH-0.66 40I 100/5ZZ </p> <p> 型號 ALH-0.66 40I 15/5ZZ </p> <p> 型號 ALH-0.66 120*50II 5000/5M </p> <p> 型號 ALH-0.66 40I 200/50.2R2.5V </p> <p> 型號 ALH-0.66 30I 100/1ML </p> <p> 型號 ALH-0.66 80I 250/5 </p> <p> 型號 ALH-0.66 100II 1200/5ML </p> <p> 型號 ALH-0.66 40I 300/5ZZ </p> <p> 型號 ALH-0.66 M8-II 20/50.5R </p> <p> 型號 ALH-0.66 100*50II 1000/5M </p> <p> 型號 ALH-0.66 D12 150/5XGZZ </p> <p> 型號 ALH-0.66 30I-I 30/11R2.5VA </p> <p> 型號 ALH-0.66 80II 250/5ML </p> <p> 型號 ALH-0.66 40I 350/5ML </p> <p> 型號 ALH-0.66 80*50II 200/5ML </p> <p> 型號 ALH-0.66 80*50II 1000/5ML </p> <p> 型號 ALH-0.66 60I 350/5 </p> <p> 型號 ALH-0.66 60II 750/5ML </p> <p> 型號 ALH-0.66 100II I3000/5ML </p> <p> 型號 ALH-0.66 80*50II 2000/2.5M </p> <p> 型號 ALH-0.66 30I-I 150/5H </p> <p> 型號 ALH-0.66 M8-I 5/5ML </p> <p> 型號 ALH-0.66 40II 630/5ML </p> <p> 型號 ALH-0.66 30I-I 30/5ML </p> <p> 型號 ALH-0.66 60II 100/5ML </p> <p> 型號 ALH-0.66 50II 600/1ML </p> <p> 型號 ALH-0.66 30I-I 20/1ML </p> <p> 型號 ALH-0.66 30I 150/5ML </p> <p> 型號 ALH-0.66 30I-I 25/50.5R2.5 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 120*65II電流互感器.上海銷售電流互感器報價</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 100III-P電流互感器.上海銷售電流互感器貨源充足</p><p style="text-indent:25px"> 上海喆和銷售電流互感器。對于電流互感器退磁，一次繞組開路，二次繞組通以工頻電流，從零開始逐漸增加到一定的電流值(該電流值與互感器的設(shè)計測量上限有關(guān)，一般為額定電流的20-50%左右。可以這樣判斷，如果電流突然急劇變大，此時表示鐵芯以進入磁飽和階段)。然后再將電流緩慢降為零，如此重復2-3次。在斷開電源前，應將一次繞組短接，才斷開電源。鐵芯退磁完成。此方法稱開路退磁法。對于有些電流互感器，由于二次繞組的匝數(shù)都比較多。若采用開路退磁法，開路的繞組可能產(chǎn)生高電壓。因此可以在二次繞組接上較大的電阻(額定阻抗的10-20倍)。一次繞組通以電流，從零漸變到互感器一次繞組的允許的額定電流，再漸變到零，如此重復2-3次。由于接有負載鐵芯可能不能完全退磁。由于一次繞組的額定電流有限制，過大的話可能燒壞一次繞組。如果接有負載的二次繞組產(chǎn)生電壓不是過高的話，可以加大二次繞組的負載電阻。這樣可以提高退磁效果。3、電流互感器誤差試驗互感器誤差試驗一般采用被測互感器與標準互感器進行比較，兩互感器的二次電流差即為被測互感器誤差。此種檢驗方法稱比較法。標準互感器要求比被測互感器高出二個等級，此時標準互感器誤差可忽略不計。上海銷售電流互感器貨源充足</p><p style="text-indent:25px">上海喆和機電科技有限公司總部位于上海市靜安區(qū)恒豐北路100號，是一家從事機電科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)服務、技術(shù)轉(zhuǎn)讓,機電設(shè)備、五金交電、儀器儀表、電子產(chǎn)品、電子元器件、通訊設(shè)備(除衛(wèi)星電視廣播地面接收設(shè)施)、五金工具、橡塑制品、陶瓷制品、金屬材料、五金制品、包裝材料、建筑裝潢材料、化工原料及產(chǎn)品(除危險化學品、監(jiān)控化學品、民用物品、易制毒化學品)、管道及配件、閥門的批發(fā)、零售?！疽婪毥?jīng)批準的項目,經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動】的公司。公司自創(chuàng)立以來，投身于編程控制器，光電傳感器，變頻器，軟啟動器，是電工電氣的主力軍。上海喆和機電科始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。上海喆和機電科始終關(guān)注電工電氣市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2000874.html</p></div></div></div></div></div><div id="vogd78r" class="page-right twoColRt"><div id="kzbd2yu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ynpm2eb" 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" 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