上海二工電流互感器信譽(yù)好歡迎來電上海喆和機(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="上海喆和銷售西門子APT原廠ALH-0.66電流互感器型號ALH-0.6680III700/5型號ALH-0.6640I1000/115VAML型號ALH-0.6630I-I85/5ML型號ALH-0.66100III3000/5EP型號A"><meta name="keywords" content="上海二工電流互感器信譽(yù)好,電流互感器"><link rel="canonical" href="http://m.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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href="http://m.cdcfah.com/cp/third-gkxtjzbyb_plcod/">PLC</a>?上海二工電流互感器信譽(yù)好歡迎來電上海喆和機(jī)電科技供應(yīng)</p><div id="b7uopwy" class="leftbox clearfix"><h1>上海二工電流互感器信譽(yù)好歡迎來電上海喆和機(jī)電科技供應(yīng)</h1><div id="tddqs8o" class="proBig"><div id="zxegn7k" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167087454347244/6371670874543472446544135.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="knpwyxo" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167087454347244/6371670874543472446544135.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="p779x88" 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信譽(yù)好,電流互感器</p><p><span>***更新：</span>2020-11-01 15:04:37</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="rryaczp" 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="iwovhjq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="guryary" 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 </p> <p> ALH-0.66 80III 700/5 </p> <p> 型號 </p> <p> ALH-0.66 40I 1000/1 15VA ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 85/5ML </p> <p> 型號 </p> <p> ALH-0.66 100III 3000/5EP </p> <p> 型號 </p> <p> ALH-0.66 M8-I 40/1ML </p> <p> 型號 </p> <p> ALH-0.66 100II 630/1ML </p> <p> 型號 </p> <p> ALH-0.66 60*50II 400/5ML </p> <p> 型號 </p> <p> ALH-0.66 80*50II 1500/2.5M </p> <p> 型號 </p> <p> ALH-0.66 30I 30/5ML </p> <p> 型號 </p> <p> ALH-0.66 40II 250/11R10VA </p> <p> 型號 </p> <p> ALH-0.66 40II 800/50.2RML </p> <p> 型號 </p> <p> ALH-0.66 40II 150/5ML </p> <p> 型號 </p> <p> ALH-0.66 100*50II 3200/1M </p> <p> 型號 </p> <p> ALH-0.66 30I-I 75/50.5R5VA </p> <p> 型號 </p> <p> ALH-0.66 30I 200/50.2R2.5V </p> <p> 型號 </p> <p> ALH-0，上海二工電流互感器信譽(yù)好.66 D12 800/5EPZZ </p> <p> 型號 </p> <p> ALH-0.66 60II 1500/5ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 40/10.5R5VA </p> <p> 型號 </p> <p> ALH-0.66 60II 500/5ML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 40/5H </p> <p> 型號 </p> <p> ALH-0.66 40II 400/2.5ML </p> <p> 型號 </p> <p> ALH-0.66 40II 300/115VAML </p> <p> 型號 </p> <p> ALH-0.66 30I-I 100/11R5VA </p> <p> 型號 </p> <p> ALH-0.66 170*100II 5000/5 </p> <p> 型號 </p> <p> ALH-0.66 120*50II 1250/5 </p> <p> 型號 </p> <p> ALH-0.66 60*50II 1000/1ML </p> <p> 型號 </p> <p> ALH-0.66 80*50II 800/1ML </p> <p> 型號 </p> <p> ALH-0.66 M8-I 100/1ML </p> <p> 型號 </p> <p> ALH-0.66 100II 1000/5ML </p> <p> 型號 </p> <p> ALH-0.66 80*50II 600/5ML </p> <p> 型號 </p> <p> ALH-0.66 30I 350/5ML </p> <p> 型號 </p> <p> ALH-0.66 220*50II 5000/5M </p> <p> ALH-0.66 D12 500/5XGZZ </p> <p> 型號 </p> <p> ALH-0.66 100III 1500/5EP </p> <p> 型號 </p> <p> ALH-0.66 60II 1500/1 </p> <p> 型號 </p> <p> ALH-0.66 80*50II 1000/1ML </p> <p> 型號 </p> <p> ALH-0，上海二工電流互感器信譽(yù)好，上海二工電流互感器信譽(yù)好.66 100*50II 2000/2.5 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.上海二工電流互感器信譽(yù)好</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信譽(yù)好,電流互感器" src="http://tyunfile.71360.com/WaterMark/UpLoadFile/shcmzdh/2020/2/637167087454347244/6371670874543472446544135.png"></div><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(shí)，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(jì)量電流時(shí)，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(shí)，當(dāng)一次穿心電流為150A時(shí)，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(gè)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(shí)，電流互感器二次測中的電流表示數(shù)有負(fù)比差。上海二工電流互感器信譽(yù)好上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 100*60II-P電流互感器.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海二工電流互感器信譽(yù)好,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087581865934/6371670875818659347638789.jpg"></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 500/1 0.2R 5V </p> <p> 型號 ALH-0.66 D22 20/5 </p> <p> 型號 ALH-0.66 245*60II 5000/5 </p> <p> 型號 ALH-0.66 130*50II 4000/5 </p> <p> 型號 ALH-0.66 40II 600/5 0.2SR 5 </p> <p> 型號 ALH-0.66 100II 3200/5 </p> <p> 型號 ALH-0.66 200*50II 1000/5 </p> <p> 型號 ALH-0.66 170*50II 3000/5 </p> <p> 型號 ALH-0.66 100*85II 4000/5 0.2R 40VA </p> <p> 型號 ALH-0.66 80II 2000/5 0.5R10VA 690V ML </p> <p> 型號 ALH-0.66 30I-I 75/1-TH </p> <p> 型號 ALH-0.66 80II 2000/10.5R10 </p> <p> 型號 ALH-0.66 100*80II 3500/5 0.5R 40VA 1T </p> <p> 型號 ALH-0.66 60II 1200/5 0.2SR 20VA </p> <p> 型號 ALH-0.66 30I-I 150/5 0.2R1T 2.5VA </p> <p> 型號 ALH-0.66 30I-I 75/1H </p> <p> 型號 ALH-0.66 40II 15/5 0.5R 2.5VA 8T </p> <p> 型號 ALH-0.66 120*65II 4000/5 </p> <p> 型號 ALH-0.66 40II 400/5 0.2SR 2.5VA </p> <p> 型號 ALH-0.66 30I 500/1 </p> <p> 型號 ALH-0.66 D22 30/5 </p> <p> 型號 ALH-0.66 100*70II 3500/5 </p> <p> 型號 ALH-0.66 100*85II 4000/1 </p> <p> 型號 ALH-0.66 80II 1000/1 0.5R10VA 690V ML </p> <p> 型號 ALH-0.66 D22 50/5 </p> <p> 型號 ALH-0.66 100*70II 4000/5 </p> <p> 型號 ALH-0.66 60*50II 1500/50.2 SR </p> <p> 型號 ALH-0.66 60II 2000/5 0.2SR40VA </p> <p> 型號 ALH-0.66 130*50II 3000/5 </p> <p> 型號 ALH-0.66 30I-I 200/510VA </p> <p> 型號 ALH-0.66 40II 300/5 0.2SR 2.5VA </p> <p> 型號 ALH-0.66 170*50II 4000/5 </p> <p> 型號 ALH-0.66 80*50II 1000/5 0.2SR 15VA </p> <p> 型號 ALH-0.66 100*85II 3000/5 </p> <p> 型號 ALH-0.66 D8-I 5/5 </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(fù)荷時(shí)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(fù)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(fù)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(yàn)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(yùn)行，負(fù)荷電流超過額定電流值時(shí)叫做過負(fù)荷，電流互感器長期過負(fù)荷運(yùn)行，會(huì)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(fù)荷和任意功率因數(shù)下，電流互感器的電流誤差為－10%時(shí)，一次電流對其額定值的倍數(shù)。10%倍數(shù)是與繼電保護(hù)有關(guān)的技術(shù)指標(biāo)。準(zhǔn)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(zhǔn)確度等級分為～1多種級別，與原來相比準(zhǔn)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 100I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信譽(yù)好,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電流互感器ALH-0.66系列 </p> <p> 按電流變換原理分 </p> <p> 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。 </p> <p> 光電式電流互感器。通過光電變換原理以實(shí)現(xiàn)電流變換的電流互感器，目前還在研制中。 </p> <p> 按安裝方式分 </p> <p> 貫穿式電流互感器。用來穿過屏板或墻壁的電流互感器。 </p> <p> 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。 </p> <p> 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。 </p> <p> 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。折疊編輯本段校驗(yàn)方法在進(jìn)行電流互感器誤差試驗(yàn)之前,通常需要檢查極性和退磁等主面特性。 </p> <p> 1、電流互感器極性檢查： </p> <p> 電流互感器一次繞組標(biāo)志為P1、P2，二次繞組標(biāo)志為S1、S2。若P1、S1是同名端，則這種標(biāo)志叫減極性。一次電流從P1進(jìn)，二次電流從S1出。極性檢查很簡單，除了可以在互感器校驗(yàn)儀上進(jìn)行檢查外，還可以使用直流檢查法。 </p> <p> 2、電流互感器退磁檢查 </p> <p> 電流互感器在電流突然下降的情況下，互感器鐵芯可能產(chǎn)生剩磁。如電流互感器在大電流情況下突然切斷電源、二次繞組突然開路等?；ジ衅麒F芯有剩磁，使鐵芯磁導(dǎo)率下降，影響互感器性能。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.上海定制電流互感器源頭直供</p><p style="text-indent:25px">上海喆和定制銷售西門子APT電流互感器ALH-0.66.上海二工電流互感器信譽(yù)好</p><p> 電流互感器ε%誤差曲線校驗(yàn)步驟：⑴按照保護(hù)裝置類型計(jì)算流過電流互感器的一次電流倍數(shù)⑵根據(jù)電流互感器的型號、變比和一次電流倍數(shù)，在10%誤差曲線上確定電流互感器的允許二次負(fù)荷⑶按照對電流互感器二次負(fù)荷**嚴(yán)重的短路類型，計(jì)算電流互感器的實(shí)際二次負(fù)荷⑷比較實(shí)際二次負(fù)荷與允許二次負(fù)荷。如實(shí)際二次負(fù)荷小于允許二次負(fù)荷，表示電流互感器的誤差不超過10%誤差：1）增大連接導(dǎo)線截面或縮短連接導(dǎo)線長度，以減小實(shí)際二次負(fù)荷2）選擇比較大的電流互感器，減小一次電流倍數(shù)，增大允許二次負(fù)荷3）將電流互感器的二次繞組串聯(lián)起來，使允許二次負(fù)荷增大一倍。動(dòng)、熱穩(wěn)定度需校驗(yàn)電流互感器的動(dòng)穩(wěn)定度和熱穩(wěn)定度[9]，廠家的產(chǎn)品技術(shù)參數(shù)中都給出了動(dòng)穩(wěn)定倍數(shù)Kes和熱穩(wěn)定倍數(shù)Kt，因此按下列公式分別校驗(yàn)動(dòng)穩(wěn)定和熱定度即可。1）動(dòng)穩(wěn)定度校驗(yàn)Kes×I1N≥2）熱穩(wěn)定度校驗(yàn)（KtI1n)2t≥I⑶∞tima式中，t為熱穩(wěn)定電流時(shí)間。額定容量電流互感器二次額定容量要大于實(shí)際二次負(fù)載，實(shí)際二次負(fù)載應(yīng)為25～**二次額定容量。容量決定二次側(cè)負(fù)載阻抗，負(fù)載阻抗又影響測量或控制精度。負(fù)載阻抗主要受測量儀表和繼電器線圈電阻、電抗及接線接觸電阻、二次連接導(dǎo)線電阻的影響。上海二工電流互感器信譽(yù)好</p><p style="text-indent:25px">上海喆和機(jī)電科技有限公司是一家從事機(jī)電科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)服務(wù)、技術(shù)轉(zhuǎn)讓,機(jī)電設(shè)備、五金交電、儀器儀表、電子產(chǎn)品、電子元器件、通訊設(shè)備(除衛(wèi)星電視廣播地面接收設(shè)施)、五金工具、橡塑制品、陶瓷制品、金屬材料、五金制品、包裝材料、建筑裝潢材料、化工原料及產(chǎn)品(除危險(xiǎn)化學(xué)品、監(jiān)控化學(xué)品、民用物品、易制毒化學(xué)品)、管道及配件、閥門的批發(fā)、零售?！疽婪毥?jīng)批準(zhǔn)的項(xiàng)目,經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動(dòng)】的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)。公司自創(chuàng)立以來，投身于編程控制器，光電傳感器，變頻器，軟啟動(dòng)器，是電工電氣的主力軍。上海喆和機(jī)電科繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。上海喆和機(jī)電科創(chuàng)始人李小雅，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1804393.html</p></div></div></div></div></div><div id="yhjgnzg" class="page-right twoColRt"><div id="icz8lyk" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="k7cmo74" class="recomPic likePro"><a 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