上海二工電流互感器好價(jià)格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(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="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(gè)性化等。型號(hào)ALH-0.6660*50II400/1ML型號(hào)ALH-0.66M8-I15/5ML型號(hào)ALH-0.66M8-II60/5XGZZ型號(hào)ALH-0."><meta name="keywords" content="上海二工電流互感器好價(jià)格,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" 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clearfix"><div id="ws23j8f" class="twoCol"><div id="gdwco47" 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好價(jià)格歡迎咨詢上海喆和機(jī)電科技供應(yīng)</p><div id="bsoflek" class="leftbox clearfix"><h1>上海二工電流互感器好價(jià)格歡迎咨詢上海喆和機(jī)電科技供應(yīng)</h1><div id="hjzvhpp" class="proBig"><div id="3fqmsv3" 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="8vwcst3" 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="jam8uvw" 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好價(jià)格,電流互感器</p><p><span>***更新：</span>2020-11-06 05:03:40</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="bt8ilcj" 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="77oizfb" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="xulmnt3" class="box"><p><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(gè)性化等。 </p> <p> 型號(hào) </p> <p> ALH-0.66 60*50II 400/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 M8-I 15/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 M8-II 60/5XGZZ </p> <p> 型號(hào) </p> <p> ALH-0.66 80*50II 1250/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 40II 800/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 40I 150/15VAML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I 250/50.2RML </p> <p> 型號(hào) </p> <p> ALH-0.66 100*50II 3000/5M </p> <p> 型號(hào) </p> <p> ALH-0.66 80*50II 250/51R5VA ML </p> <p> 型號(hào) </p> <p> ALH-0.66 100II 800/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60*50II 1600/2.5M </p> <p> 型號(hào) </p> <p> ALH-0.66 40II 600/50.2RML </p> <p> 型號(hào) </p> <p> ALH-0.66 60II 800/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 300/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I 150/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I 60/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 40II 250/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60II 1500/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 30I-I 60/11RML </p> <p> 型號(hào) </p> <p> ALH-0，上海二工電流互感器好價(jià)格.66 M8-I 20/50.5R </p> <p> 型號(hào) </p> <p> ALH-0.66 80II 800/5ML </p> <p> 型號(hào) </p> <p> ALH-0，上海二工電流互感器好價(jià)格.66 60*50II 1000/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 40II 400/1 15VA ML </p> <p> 型號(hào) </p> <p> ALH-0，上海二工電流互感器好價(jià)格.66 30I-I 5/5ML </p> <p> 型號(hào) </p> <p> ALH-0.66 40I 25/5ZZ </p> <p> 型號(hào) </p> <p> ALH-0.66 60*50II 750/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 60II 250/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 80II 630/5 </p> <p> 型號(hào) </p> <p> ALH-0.66 80*50II 1250/1ML </p> <p> 型號(hào) </p> <p> ALH-0.66 180II 4000/5ML </p> <p> <br /> </p> <p> <br /> </p> <p> 型號(hào) </p> <p> ALH-0.66 40I 450/5 </p> <p> 型號(hào) </p> <p> ALH-0.66 80*50II 400/51R5 </p> <p> 型號(hào) </p> <p> ALH-0.66 40I 100/10.4VAML </p> <p> 型號(hào) </p> <p> ALH-0.66 M8-II 30/5EPZZ </p> <p> 型號(hào) </p> <p> ALH-0.66 130III 4000/1 </p> <p> <br /> </p> <p> <br /> </p> <p> 型號(hào) </p> <p> ALH-0.66 100*50II 3500/1M </p> <p> 型號(hào) </p> <p> ALH-0.66 120*50II 4000/5 15VA ML </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 180II電流互感器.上海二工電流互感器好價(jià)格</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好價(jià)格,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(hào)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(guó)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(zhǎng)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(tái)上測(cè)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(lái)越明顯，而一次電流為15A以下時(shí)，電流互感器二次測(cè)中的電流表示數(shù)有負(fù)比差。上海定制電流互感器報(bào)價(jià)上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 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好價(jià)格,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087973056246/6371670879730562466968566.png"></div><p> 上海喆和供應(yīng)西門子APT電流互感器ALH-0.66 </p> <p> 消除誤差的方法兩年內(nèi)我們探索了導(dǎo)線、分?jǐn)?shù)匝、電容、電感、電阻絲等對(duì)正比差補(bǔ)償方法。1995年底，我們終于找到了可使電流互感器正、負(fù)比差都明顯減小的技術(shù)方案。例如23號(hào)200／5的電流互感器，當(dāng)母線穿心一匝，一次電流為180A時(shí)，二次顯示194A，正比差為14A，一次電流為5A，二次示數(shù)為0A，負(fù)比差為5A。利用這種技術(shù)方案，可以使該電流互感器一次電流從0A到額定電流的整個(gè)區(qū)間，正比差為0A，負(fù)比差額定值為lA，從而發(fā)現(xiàn)了降低電流互感器比差的技術(shù)方案。電流互感器的負(fù)載特性當(dāng)二次測(cè)所接負(fù)載阻抗遠(yuǎn)大于銘牌上標(biāo)定的阻抗時(shí)，電流互感器是一恒壓源。例如9號(hào)150／5互感器，銘牌上標(biāo)定的阻抗為0．2Ω。當(dāng)一次電流為150A，二次開路時(shí)，用MFl73型萬(wàn)用表交流10V檔，精度為9kΩ／V，相當(dāng)于在二次回路上串聯(lián)90kΩ的電阻，測(cè)得其電壓為2．6V；當(dāng)二次測(cè)并接15Ω300磁場(chǎng)變阻器，分別取阻值15Ω、7．5Ω、3．75Ω時(shí)，二次電壓仍為2．6V；當(dāng)取1．875Ω時(shí)二次電壓才降為2．55V，有力地證明了上述結(jié)論。當(dāng)外阻遠(yuǎn)小于標(biāo)定阻抗時(shí)，電流互感器接近一恒流源。例如9號(hào)150／5互感器，將一次電流調(diào)至135A。 </p><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(gè)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(shí)，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(shí)，需根據(jù)型號(hào)標(biāo)明的一次側(cè)匝數(shù)穿芯。本產(chǎn)品為測(cè)量用互感器，一般配合測(cè)量?jī)x表使用，用來(lái)顯示被測(cè)電路的工作電流。也可 </p> <p> 用于控制、保護(hù)電路等場(chǎng)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(xiàng) </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(jí)使用本產(chǎn)品； </p> <p> 2) 二次接線端子 S1、S2不得開路，且負(fù)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(wú)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(hù)用互感器和電能計(jì)量用電流互感器并用。 </p> </p> 上海喆和定制銷售西門子APT（原上海二工）ALH-0.66 80*50II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好價(jià)格,電流互感器" src="http://tyunfile.71360.com/UpLoadFile/shcmzdh/2020/2/637167087771928659/6371670877719286596119342.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(cè)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(cè)量?jī)x表和保護(hù)回路中，電流互感器在工作時(shí)，它的二次回路始終是閉合的，因此測(cè)量?jī)x表和保護(hù)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(wàn)安都有。為便于測(cè)量、保護(hù)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(cè)量是非常危險(xiǎn)的。電流互感器就起到電流變換和電氣隔離作用 [1] 。對(duì)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(jí)的（如5A等）。對(duì)于數(shù)字化儀表，采樣的信號(hào)一般為毫安級(jí)（0-5V、4-20mA等）。微型電流互感器二次電流為毫安級(jí)，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(shí)驗(yàn)室使用的多電流比精密電流互感器，一般用于擴(kuò)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 20III電流互感器.上海二工電流互感器好價(jià)格</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電流互感器.上海二工電流互感器好價(jià)格</p><p> 對(duì)于沒有采取補(bǔ)償措施的電流互感器，比差為負(fù)值，角差為正值，比差的***值和角差均隨電流增大而減小。采用補(bǔ)償?shù)霓k法可以減小互感器的誤差。一般通過在互感器上加繞附加繞組或增添附加鐵心，以及接入相應(yīng)的電阻、電感、電容元件來(lái)補(bǔ)償。常用的補(bǔ)償法有匝數(shù)補(bǔ)償、分?jǐn)?shù)匝補(bǔ)償、小鐵心補(bǔ)償、并聯(lián)電容補(bǔ)償?shù)?。校?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試驗(yàn)。極性檢查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(jiǎn)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。退磁檢查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。互感器鐵芯有剩磁，使鐵芯磁導(dǎo)率下降，影響互感器性能。長(zhǎng)期使用后的互感器都應(yīng)該退磁?；ジ衅鳈z驗(yàn)前也要退磁。退磁就是通過一次或二次繞組以交變的勵(lì)磁電流，給鐵芯以交變的磁場(chǎng)。從0開始逐漸加大交變的磁場(chǎng)(勵(lì)磁電流)使鐵芯達(dá)到飽和狀態(tài)，然后再慢慢減小勵(lì)磁電流到零，以消除剩磁。上海二工電流互感器好價(jià)格</p><p style="text-indent:25px">上海喆和機(jī)電科技有限公司總部位于上海市靜安區(qū)恒豐北路100號(hào)，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(yíng)活動(dòng)】的公司。上海喆和機(jī)電科擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供編程控制器，光電傳感器，變頻器，軟啟動(dòng)器。上海喆和機(jī)電科不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。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(chéng)為客戶提供良好的服務(wù)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1869047.html</p></div></div></div></div></div><div id="dhfwx7v" class="page-right twoColRt"><div id="3op2ye8" class="box01 margin10 clearfix"><h3><a 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