上海優(yōu)惠特賣電流互感器歡迎咨詢上海喆和機電科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 電流互感器使用注意事項(1)極性連接要正確，上海優(yōu)惠特賣電流互感器。電流互感器一般按減極性標注，如果極性連接不正確，就會影響計量，甚至在同**路有多臺電流互感器并聯(lián)時，全造成短路***。(2)"><meta name="keywords" content="上海優(yōu)惠特賣電流互感器,電流互感器"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" 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src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087771928659/6371670877719286596119342.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8qcwxof" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087771928659/6371670877719286596119342.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xwtsoq8" 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>上海優(yōu)惠特賣電流互感器,電流互感器</p><p><span>***更新：</span>2020-12-24 02:02:45</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="jced7df" 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="23oxz2l" class="page-proshow02"><p class="title">詳細說明</p><div id="cgszbik" class="box"><p><p> 電流互感器使用注意事項(1)極性連接要正確，上海優(yōu)惠特賣電流互感器。電流互感器一般按減極性標注，如果極性連接不正確，就會影響計量，甚至在同**路有多臺電流互感器并聯(lián)時，全造成短路***。(2)二次回路應(yīng)設(shè)保護性接地點，并可靠連接，上海優(yōu)惠特賣電流互感器。為防止一、二次繞組之間絕緣擊穿后高電壓竄入低壓側(cè)危及人身和儀表安全，電流互感器二次側(cè)應(yīng)設(shè)保護性接地點，接地點只允許接一個，一般將靠近電流互感器的箱體端子接地。(3)運行中二次繞組不允許開路。否則會導(dǎo)致以下嚴重后果：二次側(cè)出現(xiàn)高電壓，危及人身和儀表安全;出現(xiàn)過熱，可能燒壞繞組;增大計量誤差，上海優(yōu)惠特賣電流互感器。(4)用于電能計量的電流互感器二次回路，不應(yīng)再接繼電保護裝置和自動裝置等，以防互相影響。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.上海優(yōu)惠特賣電流互感器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海優(yōu)惠特賣電流互感器,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087771928659/6371670877719286596119342.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。上海優(yōu)惠特賣電流互感器上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 D15-I電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海優(yōu)惠特賣電流互感器,電流互感器" src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167087454347244/6371670874543472446544135.png"></div><p style="text-indent:25px"> 上海喆和銷售西門子電流互感器。100多年來的傳統(tǒng)結(jié)論與科技進步、材料更新、結(jié)構(gòu)變化、工藝革新的現(xiàn)代新型電流互感器的實際二次開路電壓相比存在著巨大差別，所以傳統(tǒng)結(jié)論應(yīng)當修正。二、電流互盛器二次開路時發(fā)熱情況分析對母線穿心式電流互感器，根據(jù)焦耳—楞次定律Q=I2Rt，二次開路時由I2=0，Q2=0，所以二次線圈不會發(fā)熱。但是，當二次線圈由閉路轉(zhuǎn)為開路時，母線上功耗增大。對母線穿心式150／5的電流互感器一次電流為額定值時，經(jīng)過計算其功耗增量**小為9W，額定為17W。由于母線粗長，散熱忍受力好，不會發(fā)熱。所有母線穿心式電流互感器在變流實驗臺上斷續(xù)運行長達2年半之久，從未發(fā)現(xiàn)燒壞一例，充分體現(xiàn)了目前實用新型電流互感器發(fā)熱特性與傳統(tǒng)結(jié)論截然不同。已被平度淘汰的LQG系列電流互感器在交流實驗臺上進行證明，當一次線圈電流為額定值時，二次線圈開路，保持一次電流仍為額定電流，雖然二次線圈不會發(fā)熱，但一次線圈功耗量增大。例如44號30／5的電流互感器，其一次壓降增量為2．5V，功耗增大75W，一次線圈略微發(fā)熱。</p><p> 上海喆和定制銷售西門子電流互感器。主要技術(shù)要求額定容量：額定二次電流通過二次額定負荷時所消耗的視在功率。額定容量可以用視在功率，也可以用二次額定負荷阻抗Ω表示。一次額定電流：允許通過電流互感器一次繞組的用電負荷電流。用于電力系統(tǒng)的電流互感器一次額定電流為5～25000A，用于試驗設(shè)備的精密電流互感器為～50000A。電流互感器可在一次額定電流下長期運行，負荷電流超過額定電流值時叫做過負荷，電流互感器長期過負荷運行，會燒壞繞組或減少使用壽命。二次額定電流：允許通過電流互感器二次繞組的一次感應(yīng)電流。額定電流比（變比）：一次額定電流與二次額定電流之比。額定電壓：一次繞組長期對地能夠承受的額定電壓（有效值以kV為單位），應(yīng)不低于所接線路的額定相電壓。電流互感器的額定電壓分為，3，6，10，35，110，220，330，500kV等幾種電壓等級。10%倍數(shù)：在指定的二次負荷和任意功率因數(shù)下，電流互感器的電流誤差為－10%時，一次電流對其額定值的倍數(shù)。10%倍數(shù)是與繼電保護有關(guān)的技術(shù)指標。準確度等級：表示互感器本身誤差（比差和角差）的等級。電流互感器的準確度等級分為～1多種級別，與原來相比準確度提高很大。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 170*100II電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海優(yōu)惠特賣電流互感器,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087883095803/6371670878830958036124787.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 60I 500/5 0.2SR 5VA 1T </p> <p> 型號 ALH-0.66 80II 1000/1ML </p> <p> 型號 ALH-0.66 30I-I 250/5H </p> <p> 型號 ALH-0.66 40II 500/2.5ML </p> <p> 型號 ALH-0.66 80*50II 2500/2.5ML </p> <p> 型號 ALH-0.66 30I-I 60/5ML </p> <p> 型號 ALH-0.66 M8-I 50/5ML </p> <p> 型號 ALH-0.66 60II 800/1ML </p> <p> 型號 ALH-0.66 60*50II 2000/2.5 ML </p> <p> 型號 ALH-0.66 100II 2000/1ML </p> <p> 型號 ALH-0.66 M8-I 30/5 0.5R 2.5VA </p> <p> 型號 ALH-0.66 80II 3000/1 </p> <p> 型號 ALH-0.66 60*50II 1500/1ML </p> <p> 型號 ALH-0.66 50II 700/5ML </p> <p> 型號 ALH-0.66 30I-I 15/1 1R 1VA ML </p> <p> 型號 ALH-0.66 D22 300/5ML </p> <p> 型號 ALH-0.66 D12 100/5XGZZ </p> <p> 型號 ALH-0.66 40I 50/50.5R </p> <p> 型號 ALH-0.66 40I 250/5ZZ </p> <p> 型號 ALH-0.66 30I-I 40/5 0.5R 2.5A 3T </p> <p> 型號 ALH-0.66 30I 125/1ML </p> <p> 型號 ALH-0.66 M8-I 10/5 1R 2.5VA ML </p> <p> 型號 ALH-0.66 40II 200/5 0.2R 2.5VA 1T </p> <p> 型號 ALH-0.66 30I-I 30/1 5VA 5T ML </p> <p> 型號 ALH-0.66 80*50II 1600/5ML </p> <p> 型號 ALH-0.66 60*50II 350/5ML </p> <p> 型號 ALH-0.66 40I 350/1ML </p> <p> 型號 ALH-0.66 30I-I 25/1 5VA 6T ML </p> <p> 型號 ALH-0.66 M8-II 40/5EPZZ </p> <p> 型號 ALH-0.66 40II 750/1ML </p> <p> 型號 ALH-0.66 30I 250/2.5ML </p> <p> 型號 ALH-0.66 30I 120/5ML </p> <p> 型號 ALH-0.66 60II 750/1ML </p> <p> 型號 ALH-0.66 M8-I 5/50.5R </p> <p> 型號 ALH-0.66 80*50II 2000/1ML </p> <p> 型號 ALH-0.66 30I 200/5ML </p> <p> 型號 ALH-0.66 30I-I 10/5 0.5R ML </p> <p> <br /> 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 60III電流互感器.上海優(yōu)惠特賣電流互感器</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 120II-P電流互感器.上海優(yōu)惠特賣電流互感器</p><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(yīng)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(dǎo)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(dǎo)致局部過熱故障。此外，現(xiàn)場維護管理不當也應(yīng)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。上海優(yōu)惠特賣電流互感器</p><p style="text-indent:25px">上海喆和機電科技有限公司是一家有著雄厚實力背景、信譽可靠、勵精圖治、展望未來、有夢想有目標，有組織有體系的公司，堅持于帶領(lǐng)員工在未來的道路上大放光明，攜手共畫藍圖，在上海市市轄區(qū)等地區(qū)的電工電氣行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來公司能成為*****，努力為行業(yè)領(lǐng)域的發(fā)展奉獻出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強不息，斗志昂揚的的企業(yè)精神將** 上海喆和機電科和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠實守信的方針，員工精誠努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2533764.html</p></div></div></div></div></div><div id="39vhoqh" class="page-right twoColRt"><div id="zt7yjqx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="sryfhoq" 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" 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(yīng)</p></a></div><div id="dhtv32x" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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