上海直銷電流互感器哪家專業(yè) 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="兩者的使用發(fā)展方向由于電磁式電流互感器存在的易飽和、非線性及頻帶窄等問題，電子式電流互感器逐漸興起。電子式電流互感器一般具有抗磁飽和、低功耗、寬頻帶等優(yōu)點。國內(nèi)具有代表性的電子式互感器有AnyWay變頻電壓傳感器、AnyWay變頻電流傳感器"><meta name="keywords" content="上海直銷電流互感器哪家專業(yè),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 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src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087973056246/6371670879730562466968566.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3ucyacj" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087973056246/6371670879730562466968566.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="aogdvce" 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哪家專業(yè),電流互感器</p><p><span>***更新：</span>2021-01-20 00:12:18</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="bfce7ax" 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="dco2ias" class="page-proshow02"><p class="title">詳細說明</p><div id="jd87pmd" class="box"><p><p> 兩者的使用發(fā)展方向由于電磁式電流互感器存在的易飽和、非線性及頻帶窄等問題，電子式電流互感器逐漸興起。電子式電流互感器一般具有抗磁飽和、低功耗、寬頻帶等優(yōu)點。國內(nèi)具有代表性的電子式互感器有AnyWay變頻電壓傳感器、AnyWay變頻電流傳感器和變頻功率傳感器，其中，AnyWay變頻功率傳感器屬于電壓、電流組合式互感器。該互感器的主要特點如下1、采用前端數(shù)字化技術(shù)，光纖傳輸，上海直銷電流互感器哪家專業(yè)，電磁兼容性好。2、幅頻特性和相頻特性好，在寬幅值、頻率、相位范圍內(nèi)均可獲得較高的測量精度。3、屬于數(shù)字式傳感器，二次儀表不會引入誤差，傳感器誤差就是系統(tǒng)誤差。 </p> <p> 額定電壓電流互感器額定電壓應(yīng)大于裝設(shè)點線路額定電壓 [7] ，上海直銷電流互感器哪家專業(yè)。變比應(yīng)根據(jù)一次負荷計算電流IC選擇電流互感器變比，上海直銷電流互感器哪家專業(yè)。電流互感器一次側(cè)額定電流標(biāo)準(zhǔn)比（如20、30、40、50、75、100、150、2×a/C）等多種規(guī)格，二次側(cè)額定電流通常為1A或5A。其中2×a/C表示同一臺產(chǎn)品有兩種電流比，通過改變產(chǎn)品的連接片接線方式實現(xiàn)，當(dāng)串聯(lián)時，電流比為a/c，并聯(lián)時電流比為2×a/C。一般情況下，計量用電流互感器變流比的選擇應(yīng)使其一次額定電流I1n不小于線路中的負荷電流（即計算IC）。如線路中負荷計算電流為350A，則電流互感器的變流比應(yīng)選擇400/5 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 50II-P電流互感器.上海直銷電流互感器哪家專業(yè)</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哪家專業(yè),電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087973056246/6371670879730562466968566.png"></div><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 /> 上海二工電流互感器量大從優(yōu)上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 M8-II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哪家專業(yè),電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167636099732514/6371676360997325149233996.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> <p> 1 概述 </p> <p> 1.1 主要用途 </p> <p> ALH-0.66 系列電流互感器采用**度外殼全封閉結(jié)構(gòu)。當(dāng)一次側(cè)穿芯匝數(shù)為 1時，中心孔以穿母線為主，也可以穿電纜；中心孔穿 </p> <p> 軟質(zhì)電纜時，需根據(jù)型號標(biāo)明的一次側(cè)匝數(shù)穿芯。本產(chǎn)品為測量用互感器，一般配合測量儀表使用，用來顯示被測電路的工作電流。也可 </p> <p> 用于控制、保護電路等場所。 P1、P2表示一次極性端， S1、S2表示二次極性端。 P1、S1及P2、S2為同名端（減極性）。 </p> <p> <p> 安全使用和注意事項 </p> <p> 1) 嚴(yán)格按照銘牌上額定功率、額定變比、準(zhǔn)確度等級使用本產(chǎn)品； </p> <p> 2) 二次接線端子 S1、S2不得開路，且負載接線保證接觸良好，以免互感器產(chǎn)生高電壓危及設(shè)備和人身安全； </p> <p> S1、S2應(yīng)有一端可靠接地，以防止一二次間絕緣擊穿； </p> <p> 3) 二次回路連接導(dǎo)線應(yīng)采用足夠容量且中間無接頭的銅芯絕緣線； </p> <p> 4）二次繞組回路中所串入儀表的阻抗不應(yīng)超過相關(guān)技術(shù)標(biāo)準(zhǔn)的規(guī)定； </p> <p> 5）應(yīng)避免繼電保護用互感器和電能計量用電流互感器并用。 </p> </p> </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(dāng)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(dāng)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。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 100*80II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哪家專業(yè),電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087835529280/6371670878355292804681260.png"></div><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(yīng)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(zhuǎn)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”。（“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，一般用于擴大儀表量程。）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.上海二工電流互感器量大從優(yōu)</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 30III電流互感器.上海直銷電流互感器哪家專業(yè)</p><p> 由于一次繞組與二次繞組有相等的安培匝數(shù)，I1N1=I2N2，電流互感器額定電流比：。電流互感器實際運行中負荷阻抗很小，二次繞組接近于短路狀態(tài)，相當(dāng)于一個短路運行的變壓器。2、電流互感器的接線原則(1)電流互感器二次側(cè)不允許開路。二次開路可能產(chǎn)生嚴(yán)重后果，一是鐵芯過熱，甚至燒毀互感器;二是由于二次繞組匝數(shù)很多，會感應(yīng)出危險的高電壓，危及人身和設(shè)備的安全。(2)高壓電流互感器的二次側(cè)必須有一點接地。由于高壓電流互感器的一次側(cè)為高壓，當(dāng)一、二次線圈之間因絕緣損壞出線高壓擊穿時，將導(dǎo)致高壓進入低壓，如果二次線圈一點接地，則將高壓引入了大地，可確保人身及設(shè)備的安全。但應(yīng)當(dāng)注意，電流互感器的二次回路只允許一點接地，而不允許再有接地，否則有可能引起分流，影響使用。低壓電流互感器的二次線圈不應(yīng)該接地。由于低壓互感器的電壓較低，一、二次線圈間的絕緣欲度大，發(fā)生一、二次線圈擊穿的可能性小，另外，二次線圈的不接地將使二次回路及儀表的絕緣能力提高，還可使雷擊燒毀儀表***減少。上海直銷電流互感器哪家專業(yè)</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(biāo)，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** 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