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href="http://www.cdcfah.com/zh/"><span>展會(huì)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="ealmcrh" class="twoCol"><div id="jguninj" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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>?上海二工電流互感器ALH-0.66 170-50II 歡迎來(lái)電上海喆和機(jī)電科技供應(yīng)</p><div id="aitoite" class="leftbox clearfix"><h1>上海二工電流互感器ALH-0.66 170-50II 歡迎來(lái)電上海喆和機(jī)電科技供應(yīng)</h1><div id="yrr8apu" class="proBig"><div id="u82mpau" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087835529280/6371670878355292804681260.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="blv3zpa" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087835529280/6371670878355292804681260.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zhijzua" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>上海二工電流互感器ALH-0.66 170-50II,電流互感器</p><p><span>***更新：</span>2020-10-15 05:03:29</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="owmhndy" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海喆和機(jī)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(jī): </span>021-53862782</p><p><span>地址: </span>上海市靜安區(qū)恒豐北路100號(hào)</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="xfabl2c" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ybmg37o" class="box"><p><p style="text-indent:25px"> 上海喆和銷售電流互感器。對(duì)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(jì)測(cè)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(shí)表示鐵芯以進(jìn)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(duì)于有些電流互感器，由于二次繞組的匝數(shù)都比較多，上海二工電流互感器ALH-0.66 170-50II。若采用開路退磁法，開路的繞組可能產(chǎn)生高電壓，上海二工電流互感器ALH-0.66 170-50II。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(fù)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(fù)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(fù)載電阻，上海二工電流互感器ALH-0.66 170-50II。這樣可以提高退磁效果。3、電流互感器誤差試驗(yàn)互感器誤差試驗(yàn)一般采用被測(cè)互感器與標(biāo)準(zhǔn)互感器進(jìn)行比較，兩互感器的二次電流差即為被測(cè)互感器誤差。此種檢驗(yàn)方法稱比較法。標(biāo)準(zhǔn)互感器要求比被測(cè)互感器高出二個(gè)等級(jí)，此時(shí)標(biāo)準(zhǔn)互感器誤差可忽略不計(jì)。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66電流互感器.上海二工電流互感器ALH-0.66 170-50II</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海二工電流互感器ALH-0.66 170-50II,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087835529280/6371670878355292804681260.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(hào) ALH-0.66 100*50II 2500/5M </p> <p> 型號(hào) ALH-0.66 60II 150/1ML </p> <p> 型號(hào) ALH-0.66 30I-I 150/5ML </p> <p> 型號(hào) ALH-0.66 100II 2500/5ML </p> <p> 型號(hào) ALH-0.66 60*50II 2500/1ML </p> <p> 型號(hào) ALH-0.66 30I-I 30/11R0.4VA </p> <p> 型號(hào) ALH-0.66 30I-I 150/1H </p> <p> 型號(hào) ALH-0.66 80II 150/5ML </p> <p> 型號(hào) ALH-0.66 50II 800/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 50/50.5RML </p> <p> 型號(hào) ALH-0.66 40I 100/5ZZ </p> <p> 型號(hào) ALH-0.66 40I 15/5ZZ </p> <p> 型號(hào) ALH-0.66 120*50II 5000/5M </p> <p> 型號(hào) ALH-0.66 40I 200/50.2R2.5V </p> <p> 型號(hào) ALH-0.66 30I 100/1ML </p> <p> 型號(hào) ALH-0.66 80I 250/5 </p> <p> 型號(hào) ALH-0.66 100II 1200/5ML </p> <p> 型號(hào) ALH-0.66 40I 300/5ZZ </p> <p> 型號(hào) ALH-0.66 M8-II 20/50.5R </p> <p> 型號(hào) ALH-0.66 100*50II 1000/5M </p> <p> 型號(hào) ALH-0.66 D12 150/5XGZZ </p> <p> 型號(hào) ALH-0.66 30I-I 30/11R2.5VA </p> <p> 型號(hào) ALH-0.66 80II 250/5ML </p> <p> 型號(hào) ALH-0.66 40I 350/5ML </p> <p> 型號(hào) ALH-0.66 80*50II 200/5ML </p> <p> 型號(hào) ALH-0.66 80*50II 1000/5ML </p> <p> 型號(hào) ALH-0.66 60I 350/5 </p> <p> 型號(hào) ALH-0.66 60II 750/5ML </p> <p> 型號(hào) ALH-0.66 100II I3000/5ML </p> <p> 型號(hào) ALH-0.66 80*50II 2000/2.5M </p> <p> 型號(hào) ALH-0.66 30I-I 150/5H </p> <p> 型號(hào) ALH-0.66 M8-I 5/5ML </p> <p> 型號(hào) ALH-0.66 40II 630/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 30/5ML </p> <p> 型號(hào) ALH-0.66 60II 100/5ML </p> <p> 型號(hào) ALH-0.66 50II 600/1ML </p> <p> 型號(hào) ALH-0.66 30I-I 20/1ML </p> <p> 型號(hào) ALH-0.66 30I 150/5ML </p> <p> 型號(hào) ALH-0.66 30I-I 25/50.5R2.5 上海二工電流互感器ALH-0.66 170-50II上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 60II電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海二工電流互感器ALH-0.66 170-50II,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087691485417/6371670876914854172826101.png"></div><p> 電流互感器的常見問題往往與制造缺點(diǎn)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(jì)要求，電流互感器故障原因統(tǒng)計(jì)[13]甚至少放電容屏，電容極板不光滑平整，甚至錯(cuò)位或斷裂，使其均壓特性破壞。因此，當(dāng)局部固體絕緣沿面的電場(chǎng)強(qiáng)度達(dá)到一定數(shù)值時(shí)，就會(huì)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(dòng)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(dòng)，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(huì)引起此類故障。次連接夾板、螺栓、螺母松動(dòng)，末屏接地螺母松動(dòng)，抽頭緊固螺母松動(dòng)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(chǎng)維護(hù)管理不當(dāng)也應(yīng)引起重視。例如，互感器進(jìn)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。 </p><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(lái)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(shí)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(cè)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。空心線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(duì)磁導(dǎo)率與空氣的相對(duì)磁導(dǎo)率相同。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 120III電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海二工電流互感器ALH-0.66 170-50II,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167088041488527/6371670880414885276367966.png"></div><p style="text-indent:25px"> 蘇州西門子電器有限公司，簡(jiǎn)稱“西門子APT”電流互感器Φ，補(bǔ)償方法先進(jìn)，工藝技術(shù)精湛，性能安全可靠，外形小巧美觀，種類齊全，一般作控制、保護(hù)、測(cè)量用途。Φ型電流互感器適用于小電流小空間的場(chǎng)所，特別適用于抽屜柜?？刹捎脤?dǎo)軌直接安裝(或可采用本廠配置的底柜安裝)，也可采用母線直徑安裝。一次側(cè)采用直接穿芯的方法，不需要斷開導(dǎo)線，穿芯孔徑可分為Φ8mm、Φ12mm、Φ15mm和Φ22mm四種。內(nèi)部鐵芯選用質(zhì)量硅鋼片；符合；通過國(guó)家計(jì)量認(rèn)證；額定工作電壓(Un)：AC660V二次電流分為5A和1A；額定頻率：50～60Hz額定連續(xù)熱電流(Icth)：xIpn額定短時(shí)熱電流（Ith）：60xIpn（1sec.）工頻耐壓：3kV（1min,50Hz;外殼與二次端子間）絕緣等級(jí)：E接線端子的型式：螺釘壓片緊固式(螺紋為M4)操作力矩：擰緊力矩～,額定承受力矩防護(hù)等級(jí)：端子IP00，外殼IP40。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.上海二工電流互感器ALH-0.66 170-50II</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.上海二工電流互感器ALH-0.66 170-50II</p><p> 電流互感器使用注意事項(xiàng)(1)極性連接要正確。電流互感器一般按減極性標(biāo)注，如果極性連接不正確，就會(huì)影響計(jì)量，甚至在同**路有多臺(tái)電流互感器并聯(lián)時(shí)，全造成短路***。(2)二次回路應(yīng)設(shè)保護(hù)性接地點(diǎn)，并可靠連接。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(hù)性接地點(diǎn)，接地點(diǎn)只允許接一個(gè)，一般將靠近電流互感器的箱體端子接地。(3)運(yùn)行中二次繞組不允許開路。否則會(huì)導(dǎo)致以下嚴(yán)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(jì)量誤差。(4)用于電能計(jì)量的電流互感器二次回路，不應(yīng)再接繼電保護(hù)裝置和自動(dòng)裝置等，以防互相影響。上海二工電流互感器ALH-0.66 170-50II</p><p style="text-indent:25px">上海喆和機(jī)電科技有限公司致力于電工電氣，是一家貿(mào)易型的公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下編程控制器，光電傳感器，變頻器，軟啟動(dòng)器深受客戶的喜愛。公司從事電工電氣多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1558892.html</p></div></div></div></div></div><div id="309niq8" class="page-right twoColRt"><div id="umit7ke" class="box01 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