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class="home-main container clearfix"><div id="fnpbnk2" class="twoCol"><div id="btk3fct" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</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>?上海直銷電流互感器貨源充足歡迎來電上海喆和機電科技供應(yīng)</p><div id="ao7ufbn" class="leftbox clearfix"><h1>上海直銷電流互感器貨源充足歡迎來電上海喆和機電科技供應(yīng)</h1><div id="ai0ykw2" class="proBig"><div id="jic328q" 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="qkzvct3" 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="3sja8qc" 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>上海直銷電流互感器貨源充足,電流互感器</p><p><span>***更新：</span>2020-08-18 21:04:00</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="nhjv77f" 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="8dpwdpg" class="page-proshow02"><p class="title">詳細說明</p><div id="pj3tvc8" class="box"><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，上海直銷電流互感器貨源充足.66 30I-I 200/5ML </p> <p> 型號 ALH-0.66 40II 200/1ML </p> <p> 型號 ALH-0.66 30I-I 20/10.5RML </p> <p> 型號 ALH-0.66 30I 160/5 </p> <p> 型號 ALH-0.66 30I-I 80/1ML </p> <p> 型號 ALH-0.66 50II 250/5ML </p> <p> 型號 ALH-0.66 80II 1500/5ML </p> <p> 型號 ALH-0.66 M8-I 5/1ML </p> <p> 型號 ALH-0.66 40II 500/5ML </p> <p> 型號 ALH-0.66 30I-I 40/5ML </p> <p> 型號 ALH-0.66 40I 200/5ZZ </p> <p> 型號 ALH-0.66 40I 10/5 </p> <p> 型號 ALH-0.66 170*100II 4000/5 </p> <p> 型號 ALH-0.66 100II 2000/5ML </p> <p> 型號 ALH-0.66 80*50II 400/5ML </p> <p> 型號 ALH-0.66 60*50II 2000/1ML </p> <p> 型號 ALH-0.66 80II 1200/1 </p> <p> 型號 ALH-0，上海直銷電流互感器貨源充足，上海直銷電流互感器貨源充足.66 30I-I 100/110VAM </p> <p> 型號 ALH-0.66 30I-I 30/5H </p> <p> 型號 ALH-0.66 60II 300/5ML </p> <p> 型號 ALH-0.66 30I-I 50/50.5R </p> <p> 型號 ALH-0.66 100II 1000/1ML </p> <p> 型號 ALH-0.66 40I 300/110VAML </p> <p> 型號 ALH-0.66 60II 2000/1 </p> <p> 型號 ALH-0.66 30I-I 50/5ML </p> <p> 型號 ALH-0.66 40I 75/5 0.5R 2.5VA 2T </p> <p> 型號 ALH-0.66 30I-I 30/11RML </p> <p> 型號 ALH-0.66 D12 75/5XGZZ </p> <p> 型號 ALH-0.66 30I-I 15/50.5RML </p> <p> 型號 ALH-0.66 M8-II 5/50.5R </p> <p> 型號 ALH-0.66 30I 50/5ML </p> <p> 型號 ALH-0.66 80*50II 1600/2.5ML </p> <p> 型號 ALH-0.66 80*50II 2000/5ML </p> <p> 型號 ALH-0.66 30I 125/5ML </p> <p> 型號 ALH-0.66 60I 750/5ML </p> <p> 型號 ALH-0.66 50II 500/5ML </p> <p> 型號 ALH-0.66 M8-I 30/5ML </p> <p> 型號 ALH-0.66 40II 600/5ML </p> <p> 型號 ALH-0.66 30I-I 75/5ML </p> <p> 型號 ALH-0.66 30I-I 75/5H 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 D12電流互感器.上海直銷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="上海直銷電流互感器貨源充足,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087534940225/6371670875349402255061651.png"></div><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(biāo)示復(fù)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(dāng)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。上海直銷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-0.66 170*100II-P電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海直銷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> 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?？梢噪娏骰ジ衅鬟@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(fù)2-3次。在斷開電源前，應(yīng)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(fù)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。準確度檢查互感器誤差試驗一般采用被測互感器與標(biāo)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(biāo)準互感器要求比被測互感器高出二個等級，此時標(biāo)準互感器誤差可忽略不計。 </p><p> 上海喆和定制銷售西門子APT原廠ALH-0.66電流互感器，交貨快，款式種類多，個性化等。 </p> <p> 型號 </p> <p> ALH-0.66 60*50II 400/1ML </p> <p> 型號 </p> <p> ALH-0.66 M8-I 15/5ML </p> <p> 型號 </p> <p> ALH-0.66 M8-II 60/5XGZZ </p> <p> 型號 </p> <p> ALH-0.66 80*50II 1250/5ML </p> <p> 型號 </p> <p> ALH-0.66 40II 800/5ML </p> <p> 型號 </p> <p> ALH-0.66 40I 150/15VAML </p> <p> 型號 </p> <p> ALH-0.66 30I 250/50.2RML </p> <p> 型號 </p> <p> ALH-0.66 100*50II 3000/5M </p> <p> 型號 </p> <p> ALH-0.66 80*50II 250/51R5VA ML </p> <p> 型號 </p> <p> ALH-0.66 100II 800/5ML </p> <p> 型號 </p> <p> ALH-0.66 60*50II 1600/2.5M </p> <p> 型號 </p> <p> ALH-0.66 40II 600/50.2RML </p> <p> 型號 </p> <p> ALH-0.66 60II 800/5ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 300/1ML </p> <p> 型號 </p> <p> ALH-0.66 30I 150/1ML </p> <p> 型號 </p> <p> ALH-0.66 30I 60/1ML </p> <p> 型號 </p> <p> ALH-0.66 40II 250/5ML </p> <p> 型號 </p> <p> ALH-0.66 60II 1500/1ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 60/11RML </p> <p> 型號 </p> <p> ALH-0.66 M8-I 20/50.5R </p> <p> 型號 </p> <p> ALH-0.66 80II 800/5ML </p> <p> 型號 </p> <p> ALH-0.66 60*50II 1000/5ML </p> <p> 型號 </p> <p> ALH-0.66 40II 400/1 15VA ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 5/5ML </p> <p> 型號 </p> <p> ALH-0.66 40I 25/5ZZ </p> <p> 型號 </p> <p> ALH-0.66 60*50II 750/1ML </p> <p> 型號 </p> <p> ALH-0.66 60II 250/1ML </p> <p> 型號 </p> <p> ALH-0.66 80II 630/5 </p> <p> 型號 </p> <p> ALH-0.66 80*50II 1250/1ML </p> <p> 型號 </p> <p> ALH-0.66 180II 4000/5ML </p> <p> <br /> </p> <p> <br /> </p> <p> 型號 </p> <p> ALH-0.66 40I 450/5 </p> <p> 型號 </p> <p> ALH-0.66 80*50II 400/51R5 </p> <p> 型號 </p> <p> ALH-0.66 40I 100/10.4VAML </p> <p> 型號 </p> <p> ALH-0.66 M8-II 30/5EPZZ </p> <p> 型號 </p> <p> ALH-0.66 130III 4000/1 </p> <p> <br /> </p> <p> <br /> </p> <p> 型號 </p> <p> ALH-0.66 100*50II 3500/1M </p> <p> 型號 </p> <p> ALH-0.66 120*50II 4000/5 15VA ML </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 30III電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海直銷電流互感器貨源充足,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087581865934/6371670875818659347638789.jpg"></div><p> 上海喆和定制西門子電流互感器 ALH-0.66系列。 </p> <p> 準確級選擇的原則：計費計量用的電流互感器其準確級不低于0．5級；用于監(jiān)視各進出線回路中負荷電流大小的電流表應(yīng)選用1．0—3．0級電流互感器。為了保證準確度誤差不超過規(guī)定值，一般還校驗電流互感器二次負荷（伏安），互感器二次負荷S2不大于額定負荷S2n，所選準確度才能得到保證。準確度校驗公式：S2≤S2n。二次回路的負荷l：取決于二次回路的阻抗Z2的值，則：S2=I2n2︱Z2︱≈I2n2（∑︱Zi︱+ RWl+RXC）或S2V1≈∑Si+I2n2（RWl+RXC）式中，Si、Zi為二次回路中的儀表、繼電器線圈的額定負荷和阻抗，RXC為二次回路中所有接頭、觸點的接觸電阻，一般取0．1Ω，RWL為二次回路導(dǎo)線電阻，計算公式化為：RWL=LC/（r×S）。式中，r為導(dǎo)線的導(dǎo)電率，銅線r=53m/（Ωmm2），鋁線r=32m（Ωmm2），S為導(dǎo)線截面積（mm2），LC為導(dǎo)線的計算長度（m）。設(shè)互感器到儀表單向長度為L1，則：L1互感器為星形接LC=L1兩相V形接線2L1一相式接線繼電保護用的電流互感器的準確度常用的有5P和l0P。保護級的準確度是以額定準確限值一次電流下的電流互感器額定復(fù)合誤差ε%來標(biāo)稱的（如5P對應(yīng)的ε%=5%）。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 130*50II電流互感器.上海直銷電流互感器貨源充足</p><p style="text-indent:25px">上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 100*85II電流互感器.上海直銷電流互感器貨源充足</p><p> 電流互感器二次開路電壓波形分析 </p> <p> 當(dāng)一次電流為0A時，二次輸出電壓波形為一條水平線。隨著一次電流的增大，56種電流互感器波形變化十分復(fù)雜，又各具有其自身特色。如6號互感器，一次電流為3A，二次電壓波形為正弦波，一次電流從4A增至150A波形畸變，隨著一次電流增**形畸變加劇，其變化特別是有效寬度變窄，峰—峰值上升，占空因數(shù)下降，但每半周包圍的面積增加甚微。 </p> <p> 比差特性分析 </p> <p> 目前，我國計量電流時，要求用1．5mm2的銅線將電流互感器二次線圈和電度表電流線圈短接，這是降低精度產(chǎn)生正比差的應(yīng)用方法。以母線穿心式150／5的電流互感器為例，我們分別以1．5mm2長4m的銅線，將其二次線圈分別與150／5A的電流表和電度表的電流線圈串聯(lián)時，當(dāng)一次穿心電流為150A時，所有電流互感器都能使電流表碰針，若一次電流降至135A，電流表示數(shù)為140～150A。 </p> <p> 在變流實驗臺上測得8000個數(shù)據(jù)表明，當(dāng)一次電流超過額定值10％，隨著一次電流增大，正比差越來越明顯，而一次電流為15A以下時，電流互感器二次測中的電流表示數(shù)有負比差。上海直銷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坐落上海市靜安區(qū)恒豐北路100號，交通便利，環(huán)境優(yōu)美，是一家貿(mào)易型企業(yè)。上海喆和機電科是一家私營合伙企業(yè)企業(yè)，一直貫徹“以人為本，服務(wù)于社會”的經(jīng)營理念;“質(zhì)量高速，誠守信譽，持續(xù)發(fā)展”的質(zhì)量方針。以滿足顧客要求為己任；以顧客永遠滿意為標(biāo)準；以保持行業(yè)**為目標(biāo)，提供***的[ "編程控制器", "光電傳感器", "變頻器", "軟啟動器" ]。上海喆和機電科將以真誠的服務(wù)、創(chuàng)新的理念、***的產(chǎn)品，為彼此贏得全新的未來！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/960492.html</p></div></div></div></div></div><div id="pbnu7s8" class="page-right twoColRt"><div id="n7hqctf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="e8y3md2" 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(yīng)" class="vcenter" 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