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href="http://m.cdcfah.com/cp/third-chuanganqisr_hecgq/">霍爾傳感器</a>?北京電流互感器信息推薦啟東雙贏電子科技供應</p><div id="7tvnpbd" class="leftbox clearfix"><h1>北京電流互感器信息推薦啟東雙贏電子科技供應</h1><div id="7lxo8pz" class="proBig"><div id="t7j7ek3" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637311261323027343/6753083.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="sm7hogd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637311261323027343/6753083.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="is9bi3n" 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>北京電流互感器,電流互感器</p><p><span>***更新：</span>2020-12-10 04:11:43</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="ztn22zr" 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="bvvplnp" class="page-proshow02"><p class="title">詳細說明</p><div id="pelipwd" class="box"><p><p style="text-indent:25px">電流互感器可用來擴大交流電流表的量程。在使用時，它的原線圈應與待測電流的負載線路相串聯(lián)，副邊線圈則與電流表串接成閉合回路。電流互感器的原線圈是用粗導線繞成，其匝數(shù)只有一匝或幾匝，因而它的阻抗極小。原線圈串接在待測電路中時，它兩端的電壓降極小。副線圈的匝數(shù)雖多，但在正常情況下，它的電動勢E2并不高，大約只有幾伏。電流互感器通過負載的電流就等于副邊線圈所測得的電流與變流比Ki之乘積。如果電流表同一只**的電流互感器配套使用，則這安培表的刻度就可按大電流電路中的電流值標出。電流互感器次級電流比較大值，通常設(shè)計為標準值5A。不同的電流的電路所配用的電流互感器是不同的，北京電流互感器。為了安全起見，北京電流互感器，電流互感器副線圈的一端和鐵殼必須接地，北京電流互感器。通常電流互感器不論其額定電壓是多少,其二此電壓皆為100V。北京電流互感器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京電流互感器,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311261323027343/6753083.png"></div><p style="text-indent:25px">電流互感器故障處理：發(fā)現(xiàn)電流互感器二二次開路,應先分清故障屬哪--組電流回路、開路的相別、對保護有無影響等。匯報調(diào)度,解除可能誤動作的保護。盡量減少次負荷電流。若電流互感器嚴重損傷,應轉(zhuǎn)移負荷,停電檢查處理(盡量經(jīng)倒運行方式,使用戶不停電)。盡快設(shè)法在就近的試驗端子上將電流互感器二次短路,再檢查處理開路點。短接時,應使用良好的短接線,并按圖紙進行。若短接時發(fā)現(xiàn)火花,說明短接有效。故障點在短接點以下的回路中,可進一步查找。若短接時沒有火花,短接無效。北京電流互感器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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京電流互感器,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759936953125/8060107.png"></div><p style="text-indent:25px">電流互感器的技術(shù)要求：技術(shù)要求：額定容量：額定二次電流通過二次額定負荷時所消耗的視在功率。額定容量可以用視在功率V.A表示，也可以用二次額定負荷阻抗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，用于試驗設(shè)備的精密電流互感器為0.1～50000A。電流互感器可在一次額定電流下長期運行，負荷電流超過額定電流值時叫做過負荷，電流互感器長期過負荷運行，會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電流。</p><p style="text-indent:25px">電流互感器的選擇方法：1、額定一次側(cè)電流應在運行電流的20%～120%范圍內(nèi)。2、電流互感器的額定一次電壓和運行電壓相同。3、注意使二次側(cè)負載所消耗的功率不超過電流互感器的額定容量，否則電流互感器的準確等級將下降。4、根據(jù)系統(tǒng)的供電方式，選擇使用電流互感器的臺數(shù)和不同的接線方式。5、根據(jù)測量的目的和保護方式的要求，選擇電流互感器的準確等級。以上這些便是電流互感器的選擇方法，當然在實際選擇購買中，我們還要看質(zhì)量和工作場景。電流互感器按照繞組匝數(shù)分：單匝式、多匝式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京電流互感器,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759970781250/5976426.png"></div><p style="text-indent:25px">電流互感器的主要所用是用來將電路中的大的電流轉(zhuǎn)換為小電流，以供測量和繼電保護只之用。大家應該知道在發(fā)電、變電、輸電、配電過程中由于用電設(shè)備的不同，電流往往從幾十安到幾萬安都有，而且這些電路還可能伴隨高壓。那么為了能夠?qū)@些線路的電路進行監(jiān)控、測量，同時又要解決高壓、高電流帶來的危險，這時就需要用到電流互感器了。有些人可能見過電工用的鉗形表，這是一種用來測量交流電流的設(shè)備，它那個“鉗”便是穿心式電流互感器。電流互感器二次可以短路,但是不得開路;深圳電流互感器性價比高</p><p style="text-indent:25px">電流互感器的精度等級5P/10P ，10P標示復合誤差不超過10%。北京電流互感器</p><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。北京電流互感器</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)型公司。公司業(yè)務涵蓋電流傳感器，霍爾傳感器，電流互感器，漏電流傳感器等，價格合理，品質(zhì)有保證。公司注重以質(zhì)量為中心，以服務為理念，秉持誠信為本的理念，打造電子元器件良好品牌。啟東雙贏電子秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2340280.html</p></div></div></div></div></div><div id="zy2ebyk" class="page-right twoColRt"><div id="8n87ubn" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="veq0cy9" 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" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="dlibr0e" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img 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