深圳電流互感器生產(chǎn)廠家有哪些來電咨詢啟東雙贏電子科技供應(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="電流互感器根據(jù)磁通可以分析出:pt不能短路,短路回產(chǎn)生過流,ct不能開路,開路回產(chǎn)生高壓。主要區(qū)別是正常運行時工作狀態(tài)大不相同,主要表現(xiàn)為:電流互感器二次可以短路,但是不得開路;對于二次側(cè)的負荷來說,而電流互感器的一次卻內(nèi)阻很大,以至可以認"><meta name="keywords" content="深圳電流互感器生產(chǎn)廠家有哪些,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" 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href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_dzyqj/">電子元器件</a>?<a href="http://m.cdcfah.com/cp/second-dzyqj_chuanganqisr/">傳感器</a>?<a href="http://m.cdcfah.com/cp/third-chuanganqisr_hecgq/">霍爾傳感器</a>?深圳電流互感器生產(chǎn)廠家有哪些來電咨詢啟東雙贏電子科技供應(yīng)</p><div id="8odevcy" class="leftbox clearfix"><h1>深圳電流互感器生產(chǎn)廠家有哪些來電咨詢啟東雙贏電子科技供應(yīng)</h1><div id="uctz2or" class="proBig"><div id="aizlh3q" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637311261281269531/1674484.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="twdfwhy" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637311261281269531/1674484.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3sizbio" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>深圳電流互感器生產(chǎn)廠家有哪些,電流互感器</p><p><span>***更新：</span>2020-12-13 11:20:17</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="zsj7iul" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">啟東雙贏電子科技有限公司</a></p><p><span>聯(lián)系人：</span>楊生</p><p><span>郵箱: </span>jmin_yang@126.com</p><p><span>電話: </span>18666184026</p><p><span>傳真: </span>0513_</p><p><span>網(wǎng)址: </span>http://www.qdsy-sensor.cn</p><p><span>手機: </span>0513-86378688</p><p><span>地址: </span>寅陽鎮(zhèn)洪佳路8號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="q8tf33f" class="page-proshow02"><p class="title">詳細說明</p><div id="7lhykgx" class="box"><p><p style="text-indent:25px">電流互感器根據(jù)磁通可以分析出:pt不能短路,短路回產(chǎn)生過流,ct不能開路,開路回產(chǎn)生高壓。主要區(qū)別是正常運行時工作狀態(tài)大不相同,主要表現(xiàn)為:電流互感器二次可以短路,但是不得開路;對于二次側(cè)的負荷來說,而電流互感器的一次卻內(nèi)阻很大,以至可以認為是一個內(nèi)阻無窮大的電流源。電流互感器的工作原理、等值電路與一般變壓器相同，只是其原邊繞組串聯(lián)在被測電路中，深圳電流互感器生產(chǎn)廠家有哪些，且匝數(shù)很少；副邊繞組接電流表，深圳電流互感器生產(chǎn)廠家有哪些，深圳電流互感器生產(chǎn)廠家有哪些、繼電器電流線圈等低阻抗負載，近似短路。電流互感器按電流變換原理：電磁式電流互感器。深圳電流互感器生產(chǎn)廠家有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳電流互感器生產(chǎn)廠家有哪些,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311261281269531/1674484.png"></div><p style="text-indent:25px">第一階段是從霍爾效應(yīng)的發(fā)現(xiàn)到20世紀40年代前期。初，由于金屬材料中的電子濃度很大，而霍爾效應(yīng)十分微弱, 所以沒有引起人們的重視。這段時期也有人利用霍爾效應(yīng)制成磁場傳感器, 但實用價值不大,到了1910年有人用金屬鉍制成霍爾元件，作為磁場傳感器。但是，由于當時未找到更合適的材料, 研究處于停頓狀態(tài)。第二階段是從20世紀40年代中期半導(dǎo)體技術(shù)出現(xiàn)之后，隨著半導(dǎo)體材料、制造工藝和技術(shù)的應(yīng)用，出現(xiàn)了各種半導(dǎo)體霍爾元件，特別是鍺的采用推動了霍爾元件的發(fā)展，相繼出現(xiàn)了采用分立霍爾元件制造的各種磁場傳感器、磁羅盤、磁頭、電流傳感器、非接觸開關(guān)、接近開關(guān)、位置、角度、速度、加速度傳感器、壓力變送器、無刷直流電機以及各種函數(shù)發(fā)生器、運算器等, 應(yīng)用十分。深圳電流互感器生產(chǎn)廠家有哪些電流互感器的額定電流比（變比）：一次額定電流與二次額定電流之比。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳電流互感器生產(chǎn)廠家有哪些,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759981523437/7460069.png"></div><p style="text-indent:25px">電流互感器的額定電流比（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比較大電壓（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0.5，3，6，10，35，110，220，330，500kV等幾種電壓等級。210%倍數(shù)：在指定的二次負荷和任意功率因數(shù)下，電流互感器的電流誤差為－10%時，一次電流對其額定值的倍數(shù)。10%倍數(shù)是與繼電保護有關(guān)的技術(shù)指標。準確度等級：表示互感器本身誤差（比差和角差）的等級。電流互感器的準確度等級分為0.001～1多種級別，與原來相比準確度提高很大。</p><p style="text-indent:25px">一次繞組可調(diào)，二次多繞組電流互感器。這種電流互感器的特點是變比量程多，而且可以變更，多見于高壓電流互感器。其一次繞組分為兩段，分別穿過互感器的鐵心，二次繞組分為兩個帶抽頭的、不同準確度等級的**繞組。一次繞組與裝置在互感器外側(cè)的連接片連接，通過變更連接片的位置，使一次繞組形成串聯(lián)或并聯(lián)接線，從而改變一次繞組的匝數(shù)，以獲得不同的變比。帶抽頭的二次繞組自身分為兩個不同變比和不同準確度等級的繞組，隨著一次繞組連接片位置的變更，一次繞組匝數(shù)相應(yīng)改變，其變比也隨之改變。電流互感器基本特點：一次線圈串聯(lián)在電路中，并且匝數(shù)很少。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳電流互感器生產(chǎn)廠家有哪些,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759979101562/2915572.png"></div><p style="text-indent:25px">電流互感器按絕緣介質(zhì)分：干式電流互感器，由普通絕緣材料包扎，經(jīng)浸漬漆處理的，有塑料外殼和無塑料外殼的電流互感器，多數(shù)為低壓電流互感器。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。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。目前我國在各種電壓等級均為常用。氣體絕緣電流互感器。主絕緣由氣體構(gòu)成。瓷絕緣，多數(shù)一杯澆注絕緣取代。電流互感器按絕緣介質(zhì)分類就是以上的幾種，它們在生活中都比較常見。正常情況下，電流互感器在近于短路狀態(tài)下運行。深圳電流互感器生產(chǎn)廠家有哪些</p><p style="text-indent:25px">保護用電流互感器在額定負荷下能夠滿足準確級的要求比較大一次電流叫額定準確限值一次電流。深圳電流互感器生產(chǎn)廠家有哪些</p><p style="text-indent:25px">電流互感器電力拖動線路中的保護。大功率電動機中的過載保護，往往由于電流大，而無法購到相應(yīng)的熱繼電器，在這樣的情況下，一般采用加裝電流互感器的方法來解決。其實質(zhì)是將大電流變換成小電流用5A以內(nèi)的熱繼電器足可滿足過載保護的要求：用于大功率自耦降壓啟動，電動機中的過載保護。用于大功率頻敏變阻器啟動，電動機中的過載保護。用于大功率星-角降壓啟動，電動機中的過載保護。這些就是電流互感器電力拖動線路中的保護和電動機中的過載保護。深圳電流互感器生產(chǎn)廠家有哪些</p><p style="text-indent:25px">啟東雙贏電子科技有限公司致力于電子元器件，是一家生產(chǎn)型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下電流傳感器，霍爾傳感器，電流互感器，漏電流傳感器深受客戶的喜愛。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造電子元器件良好品牌。啟東雙贏電子立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2388698.html</p></div></div></div></div></div><div id="x8qcd7n" class="page-right twoColRt"><div id="ehde7l3" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rkho7mq" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" 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