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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>?上海元星電流互感器誠(chéng)信經(jīng)營(yíng) 啟東雙贏電子科技供應(yīng)</p><div id="tnk3vxp" class="leftbox clearfix"><h1>上海元星電流互感器誠(chéng)信經(jīng)營(yíng) 啟東雙贏電子科技供應(yīng)</h1><div id="qacpmt3" class="proBig"><div id="sr8ro88" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637314759936953125/8060107.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hgyqsub" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637314759936953125/8060107.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uj2xzbi" 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>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>上海元星電流互感器,電流互感器</p><p><span>***更新：</span>2020-12-09 11:19:28</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="a7krt8g" 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="dxum3i2" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="s7hebtl" class="box"><p><p style="text-indent:25px">電流互感器的一次繞組用粗線繞成,通常只有幾匝或幾匝,與被測(cè)電流的負(fù)載串聯(lián),通過(guò)--次繞組的電流與負(fù)載電流相等;它的二次繞組匝數(shù)較多導(dǎo)線較細(xì)與電流表或功率表的電流線圈連接，上海元星電流互感器,因?yàn)殡娏鞅砘蚬β时淼碾娏骶€圈電阻很小所以電流互感器的二次側(cè)相當(dāng)于短路。用電流互感器可用小量程的電流表來(lái)測(cè)量大電流。電流互感器的二次繞組的額定電流通常為5A在不同的電流等級(jí)中電流互感器的電流比是不同的如30/5、50/5、100/5、等。電流互感器是降壓變壓器，上海元星電流互感器,它-次繞組匝數(shù)多，與被測(cè)的高壓電網(wǎng)并聯(lián);次繞組匝數(shù)少，與電壓表或功率表的電壓線圈連接,因?yàn)殡妷罕砘蚬β时淼碾妷壕€圈電阻很大，上海元星電流互感器，所以電流互感器二次電流很小，近似于變壓器的空載運(yùn)行。電流互感器二次可以短路,但是不得開路;上海元星電流互感器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海元星電流互感器,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759936953125/8060107.png"></div><p style="text-indent:25px">電流互感器是電力系統(tǒng)中重要的二次設(shè)備，在計(jì)量、測(cè)量、繼電保護(hù)等二次回路中普遍運(yùn)用，在大電流或者高電壓的場(chǎng)合我們無(wú)法直接用電流表來(lái)測(cè)量回路的電流大小，只能通過(guò)電流互感器的二次側(cè)去測(cè)量，這樣才會(huì)安全，那么對(duì)于電流互感器的參數(shù)，0.5級(jí)、1.0級(jí)以及10P20、5P20是什么意思呢？我們?nèi)绾稳ミx擇使用呢？電流互感器和變壓器一樣是依據(jù)電磁感應(yīng)原理將一次側(cè)大電流轉(zhuǎn)換成二次側(cè)小電流來(lái)測(cè)量的儀器。電流互感器是由閉合的鐵心和繞組組成。它的一次側(cè)繞組匝數(shù)很少，串在需要測(cè)量的電流的線路中。二次側(cè)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)，它的二次側(cè)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。上海元星電流互感器電流互感器的結(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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海元星電流互感器,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759974326172/7404453.png"></div><p style="text-indent:25px">電流互感器使用原則：電流互感器的接線應(yīng)遵守串聯(lián)原則：即一次繞阻應(yīng)與被測(cè)電路串聯(lián)，而二次繞阻則與所有儀表負(fù)載串聯(lián)。按被測(cè)電流大小，選擇合適的變比，否則誤差將增大。同時(shí)，二次側(cè)一端必須接地，以防絕緣一旦損壞時(shí)，一次側(cè)高壓竄入二次低壓側(cè)，造成人身和設(shè)備事故。二次側(cè)肯定不允許開路，因一旦開路，一次側(cè)電流I1全部成為磁化電流，引起φm和E2驟增，造成鐵心過(guò)度飽和磁化，發(fā)熱嚴(yán)重乃至燒毀線圈；同時(shí)，磁路過(guò)度飽和磁化后，使誤差增大。電流互感器在正常工作時(shí)，二次側(cè)與測(cè)量?jī)x表和繼電器等電流線圈串聯(lián)使用，測(cè)量?jī)x表和繼電器等電流線圈阻抗很小，二次側(cè)近似于短路。</p><p style="text-indent:25px">電流互感器要注意電流互感器故障檢查：①回路儀表指示異常降低或者為零;②電流互感器本體有噪聲、震動(dòng)等不均勻的異音;②電流互感器本體有噪聲、震動(dòng)等不均勻的異音;③電流互感器本體有嚴(yán)重發(fā)熱，有異味、變色、冒煙等;④電流互感器二次回路端子、元件接頭等有放電、打火現(xiàn)象;⑤繼電保護(hù)發(fā)生誤動(dòng)作或拒絕動(dòng)作;⑥儀表、電能表、繼電器等冒煙燒壞。發(fā)現(xiàn)這些意外情況時(shí)，要先讓機(jī)器停止工作，然后進(jìn)行研究維修?？梢园才湃藛T進(jìn)行定期檢查維護(hù)。電流互感器CT二次電流的大小由一次電流決定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海元星電流互感器,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311261302529296/271415.png"></div><p> 通常情況下，電流互感器是將它的一次繞組和一次主電路串聯(lián)起來(lái)，又將二次繞組接負(fù)荷，它的變比往往是：X：5A，這里的X是指大于這個(gè)電流互感器的有可能出現(xiàn)的比較大長(zhǎng)期負(fù)荷電流，這樣一來(lái)就可以使該設(shè)備的二次電流不會(huì)超過(guò)5A。 </p> <p> 當(dāng)在超高壓電廠中，或者是在變電站時(shí)，要是高壓配電裝置和控制室的距離不是很近的話，為了達(dá)到電流互感器的二次允許負(fù)荷得以增加的目的，需要我們將連接電纜的導(dǎo)線界面減小，并且將它的精確等級(jí)提高，這時(shí)選擇電流互感器就應(yīng)該選二次額定電流為1A的。同樣的，微機(jī)保護(hù)裝置也應(yīng)隨之變化，也要選擇使用交流電流是1A的。 </p> <p> 然而，目前按照11千伏變電站的規(guī)模來(lái)說(shuō)，在選擇電流互感器上，很多都是用二次側(cè)電流是5A的。要注意電流互感器故障檢查。上海元星電流互感器</p><p style="text-indent:25px">電流互感器是由閉合的鐵心和繞組組成。上海元星電流互感器</p><p style="text-indent:25px">21世紀(jì)人類多方面進(jìn)入信息電子化時(shí)代，更依賴于外界信息采集技術(shù)，作為現(xiàn)代信息技術(shù)三大支柱技術(shù)之一的傳感器技術(shù)，是人類探知自然界信息的觸角?；魻杺鞲衅魇侨蚺琶谌膫鞲衅鳟a(chǎn)品，它被廣泛應(yīng)用到工業(yè)、汽車業(yè)、電腦、手機(jī)以及新興消費(fèi)電子領(lǐng)域。未來(lái)幾年，隨著越來(lái)越多的汽車電子和工業(yè)設(shè)計(jì)企業(yè)轉(zhuǎn)移到中國(guó)，霍爾傳感器在中國(guó)市場(chǎng)的年銷售額保持到20％到30％的高速增長(zhǎng)。與此同時(shí)，霍爾傳感器的相關(guān)技術(shù)仍在不斷完善中，可編程霍爾傳感器、智能化霍爾傳感器以及微型霍爾傳感器將有更好的市場(chǎng)前景。上海元星電流互感器</p><p style="text-indent:25px">啟東雙贏電子科技有限公司主要經(jīng)營(yíng)范圍是電子元器件，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。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)。公司從事電子元器件多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。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/2333162.html</p></div></div></div></div></div><div id="ujwyqc8" class="page-right twoColRt"><div id="k8zw3sc" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dskhtvm" 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) 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