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style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>杭州大電流電流互感器,電流互感器</p><p><span>***更新：</span>2020-12-07 09:17:24</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="xascjar" 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(jī): </span>0513-86378688</p><p><span>地址: </span>寅陽(yáng)鎮(zhèn)洪佳路8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="ym73n3h" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3lcbs82" class="box"><p><p style="text-indent:25px">電流互感器主要作用是將電流回路的大電流按一定比例縮小到便于測(cè)量表計(jì)和繼電器適用的數(shù)值，從而使用串聯(lián)在其二次繞組回路的測(cè)量表計(jì)和繼電器可以做得小巧精密。常用的是電流互感器二次額定電流為5A，因此，二次側(cè)與其負(fù)載之間的連線可以用小截面的導(dǎo)線或控制電纜，杭州大電流電流互感器，杭州大電流電流互感器。電流互感器的一次繞組是直接與電力回路串聯(lián)的，因此，杭州大電流電流互感器，繞組的絕緣水平必須與電力回路的電壓等級(jí)相適應(yīng)，其容量滿足電力回路長(zhǎng)期通過(guò)大負(fù)載電流時(shí)，不致使一次繞組的溫升力超過(guò)允許值。電力系統(tǒng)中二次設(shè)備采集電流的媒介，電流互感器的重要性不言而喻。杭州大電流電流互感器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州大電流電流互感器,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311261398486328/3422665.png"></div><p style="text-indent:25px">動(dòng)力電池包，作為電動(dòng)汽車上具備**功能的電氣單元，需要具備完善的控制和保護(hù)功能，并且需要周期性的向整車控制器匯報(bào)自身工作狀況，電流電壓等基本電路參數(shù)的測(cè)量必不可少。具體到電流的測(cè)量，主要采集回路總電流。而電池包電路系統(tǒng)末梢的每一只電芯，目前還做不到精確掌握其實(shí)時(shí)工作電流。電流測(cè)量的常用傳感器，一種是分流器，另一種就是霍爾電流傳感器?；魻栯娏鱾鞲衅鲗儆谝揽侩姶盘匦詸z測(cè)電流的一種傳感器。磁電流傳感器的種類很多，按照測(cè)試原理可以劃分為：羅氏（Rogowski）線圈、電流互感器、分流器、巨磁阻效應(yīng)（GMR）、巨磁阻抗（GMI）各向異性（AMR）、隧道效應(yīng)（TMR）、光學(xué)效應(yīng)、霍爾效應(yīng)等等。西安VAC電流互感器三角形接線方式將三相電流互感器二次繞組按極性頭尾相接。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州大電流電流互感器,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314760290507812/4348297.png"></div><p style="text-indent:25px">電流互感器的應(yīng)用:1、交流電流的測(cè)量.設(shè)備是否運(yùn)行在額定電流值，設(shè)置電流測(cè)量裝置是必要的技術(shù)措施。有關(guān)規(guī)定40KW以上的設(shè)備，必須裝設(shè)電流表進(jìn)行監(jiān)控。交流電流的測(cè)量有直接測(cè)量和經(jīng)電流互感器擴(kuò)大測(cè)量的方式。直接測(cè)量就是將適當(dāng)?shù)碾娏鞅泶与娏骰芈飞稀６娐肪鶠榻?jīng)電流互感器接入式測(cè)量。采用一臺(tái)電流互感器測(cè)量三相平衡線路中的電流。電流互感器選擇的是以電流表量程依據(jù)，而電流表的量程則是根據(jù)負(fù)載電流的實(shí)際值，應(yīng)占電流表總量程的2/3至滿度值之間。??</p><p style="text-indent:25px">普通電流互感器結(jié)構(gòu)原理：電流互感器的結(jié)構(gòu)較為簡(jiǎn)單，由相互絕緣的一次繞組、二次繞組、鐵心以及構(gòu)架、殼體、接線端子等組成。其工作原理與變壓器基本相同，一次繞組的匝數(shù)（N1）較少，直接串聯(lián)于電源線路中，一次負(fù)荷電流(I1)通過(guò)一次繞組時(shí)，產(chǎn)生的交變磁通感應(yīng)產(chǎn)生按比例減小的二次電流（I2）；二次繞組的匝數(shù)（N2）較多，與儀表、繼電器、變送器等電流線圈的二次負(fù)荷（Z）串聯(lián)形成閉合回路，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，二次繞組接近于短路狀態(tài)，相當(dāng)于一個(gè)短路運(yùn)行的變壓器。同一組電流互感器應(yīng)按同一方向安裝。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州大電流電流互感器,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759955478516/5167291.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(wú)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(shù)脂或其他樹(shù)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(guó)在各種電壓等級(jí)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?cè)谏钪卸急容^常見(jiàn)。電流互感器的特點(diǎn)：一次繞組串聯(lián)在電路中，并且匝數(shù)很少。西安VAC電流互感器</p><p style="text-indent:25px">正常情況下，電流互感器在近于短路狀態(tài)下運(yùn)行。杭州大電流電流互感器</p><p style="text-indent:25px">電流互感器只能一點(diǎn)接地。對(duì)于電流互感器的二次回路來(lái)說(shuō)是保護(hù)接地。接地的意義在于避免在多個(gè)接地點(diǎn)之間產(chǎn)生地電流，對(duì)互感器采集的信息進(jìn)行干擾。兩點(diǎn)接地會(huì)導(dǎo)致二次電流回路被分流，即部分電流會(huì)通過(guò)其中一點(diǎn)流入大地再通過(guò)另一點(diǎn)流回，進(jìn)而導(dǎo)致所接保護(hù)/測(cè)量/計(jì)量裝置電流采樣不準(zhǔn)，極易造成保護(hù)不正確動(dòng)作。這一點(diǎn)不論是在電流互感器的安裝還是運(yùn)用方面都是需要注意的，工作保證效率的同時(shí)也要注意機(jī)器和人身的安全。這樣才能使電流互感器工作起來(lái)更加快捷穩(wěn)定。杭州大電流電流互感器</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。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)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(ài)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于電子元器件行業(yè)的發(fā)展。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2304398.html</p></div></div></div></div></div><div id="cbjl7by" class="page-right twoColRt"><div id="ke8hhy8" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qe3krdz" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="dqszye3" 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