上海電流互感器交貨快歡迎咨詢上海喆和機(jī)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=" 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(shí)際運(yùn)行中負(fù)荷阻抗很小，上海電流互感器交貨快，二次繞組接近于短路狀態(tài)，相當(dāng)于一個短路運(yùn)行的變壓器。"><meta name="keywords" content="上海電流互感器交貨快,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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clearfix"><h1>上海電流互感器交貨快歡迎咨詢上海喆和機(jī)電科技供應(yīng)</h1><div id="qumew7g" class="proBig"><div id="39bikev" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167636036010136/6371676360360101362181842.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rqikhjg" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167636036010136/6371676360360101362181842.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ncebnp2" 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>上海電流互感器交貨快,電流互感器</p><p><span>***更新：</span>2020-10-31 05:03:42</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="hb7bdf8" 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</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="jif7b8w" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2iwxo2u" class="box"><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(shí)際運(yùn)行中負(fù)荷阻抗很小，上海電流互感器交貨快，二次繞組接近于短路狀態(tài)，相當(dāng)于一個短路運(yùn)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(diǎn)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(jìn)入低壓，如果二次線圈一點(diǎn)接地，則將高壓引入了大地，可確保人身及設(shè)備的安全，上海電流互感器交貨快。但應(yīng)當(dāng)注意，上海電流互感器交貨快，電流互感器的二次回路只允許一點(diǎn)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.上海電流互感器交貨快</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電流互感器交貨快,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 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-0.66 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 上海電流互感器交貨快上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 40II電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電流互感器交貨快,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087973056246/6371670879730562466968566.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 40II 300/5ML </p> <p> 型號 ALH-0.66 30I-I 25/5ML </p> <p> 型號 ALH-0.66 M8-I 20/1ML </p> <p> 型號 ALH-0.66 30I-I 50/11R2.5VA </p> <p> 型號 ALH-0.66 100III 2000/5XG </p> <p> 型號 ALH-0.66 40II 1200/5 </p> <p> 型號 ALH-0.66 100*50II 600/5ML </p> <p> 型號 ALH-0.66 50III 400/5 </p> <p> 型號 ALH-0.66 60*50II 3000/5ML </p> <p> 型號 ALH-0.66 100*50II 2000/5M </p> <p> 型號 ALH-0.66 40II 750/5ML </p> <p> 型號 ALH-0.66 40I 500/1MR </p> <p> 型號 ALH-0.66 60*50II 800/5ML </p> <p> 型號 ALH-0.66 30I-I 20/50.5R5VA </p> <p> 型號 ALH-0.66 30I 40/50.5R2.5V </p> <p> 型號 ALH-0.66 40I 150/5ML </p> <p> 型號 ALH-0.66 M8-II 75/5EPZZ </p> <p> 型號 ALH-0.66 80*50II 1300/5ML </p> <p> 型號 ALH-0.66 30I 250/5ML </p> <p> 型號 ALH-0.66 40I 30/5ZZ </p> <p> 型號 ALH-0.66 30I 125/5 </p> <p> 型號 ALH-0.66 30I-I 100/1ML </p> <p> 型號 ALH-0.66 60II 150/5ML </p> <p> 型號 ALH-0.66 50II 2000/5ML </p> <p> 型號 ALH-0.66 60II 450/5ML </p> <p> 型號 ALH-0.66 170*100II 4000/1 </p> <p> 型號 ALH-0.66 40II 300/1ML </p> <p> 型號 ALH-0.66 D12 600/5EPZZ </p> <p> 型號 ALH-0.66 50II 900/5ML </p> <p> 型號 ALH-0.66 80*50II 750/1ML </p> <p> 型號 ALH-0.66 60*50II 1500/1 </p> <p> 型號 ALH-0.66 30I-I 25/5H </p> <p> 型號 ALH-0.66 80III 1000/5XG </p> <p> 型號 ALH-0.66 60II 250/5ML </p> <p> 型號 ALH-0.66 40II 800/1ML </p> <p> 型號 ALH-0.66 D12 300/5EPZZ </p> <p> 型號 ALH-0.66 80*50II 1200/5ML </p> <p> 型號 ALH-0.66 M8-II 50/50.5R </p> <p> 型號 ALH-0.66 80*50II 4000/5ML </p> <p> <br /> </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(shí)驗(yàn)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(fù)比差。上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 D22電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海電流互感器交貨快,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087626920413/6371670876269204131239849.png"></div><p> 上海喆和供應(yīng)西門子APT電流互感器ALH-0.66系列。上海喆和在對電流互感器進(jìn)行檢修時發(fā)現(xiàn)，即使互感器的二次線圈開路運(yùn)行，也不會造成設(shè)備損害。這一現(xiàn)象與傳統(tǒng)的電工手冊及各類教材所提出的電流互感器二次開路產(chǎn)生幾百伏以上、危及人身安全的高壓，鐵芯嚴(yán)重發(fā)熱，燒壞電流互感器并不一致。為了解決這一問題，弄清電流互感器的運(yùn)行參數(shù)，作者進(jìn)行了一系列的實(shí)驗(yàn)，在進(jìn)行了大量調(diào)查實(shí)驗(yàn)基礎(chǔ)上，得出了令人信服的結(jié)論。 </p> <p> 上海喆和發(fā)現(xiàn)，目前生產(chǎn)和應(yīng)用的電流互感器的發(fā)熱特性與傳統(tǒng)結(jié)論截然不同：其二次開路狀態(tài)工作時，一般不會過熱；只有極少數(shù)型號功耗增大，發(fā)熱嚴(yán)重，但在正常工作電流下，也不會燒壞設(shè)備。至于二次開路電壓，則始終在低壓范圍內(nèi)波動。上海喆和在對數(shù)十種型號的電流互感器進(jìn)行實(shí)驗(yàn)測定的基礎(chǔ)上，得出結(jié)論，二次開路時具有恒壓源和恒流源兩種電路的特性，可以穩(wěn)定、可靠地用作自動控制功率型信號源。這種突破傳統(tǒng)的電路運(yùn)用方式，可廣泛應(yīng)用于自動化控制設(shè)計，產(chǎn)生良好的經(jīng)濟(jì)效益和社會效益。 </p> <p> 從實(shí)際出發(fā)，不迷信傳統(tǒng)觀念，利用科學(xué)手段突破舊有框框，大膽創(chuàng)新，才能在科技事業(yè)中取得成績。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.上海定制電流互感器銷售廠家</p><p style="text-indent:25px">上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 130*65II電流互感器.上海電流互感器交貨快</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(diǎn)。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(diǎn)如下1、采用前端數(shù)字化技術(shù)，光纖傳輸，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(diǎn)線路額定電壓 [7] 。變比應(yīng)根據(jù)一次負(fù)荷計算電流IC選擇電流互感器變比。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(shí)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(fù)荷電流（即計算IC）。如線路中負(fù)荷計算電流為350A，則電流互感器的變流比應(yīng)選擇400/5 上海電流互感器交貨快</p><p 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