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id="8ancxj3" class="leftbox clearfix"><h1>南京電流互感器代理商價(jià)格哪家便宜信息推薦啟東雙贏電子科技供應(yīng)</h1><div id="ohszb37" class="proBig"><div id="3dk34s7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637311261339023437/5552243.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="y3eoq4o" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637311261339023437/5552243.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kbiuwam" 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>南京電流互感器代理商價(jià)格哪家便宜,電流互感器</p><p><span>***更新：</span>2020-12-13 10:20:07</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="tcz8xoa" 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="hqszbkq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="32eqnul" class="box"><p><p style="text-indent:25px">電力系統(tǒng)為了傳輸電能，往往采用交流電壓、大電流回路把電力送往用戶，無法用儀表進(jìn)行直接測(cè)量。電流互感器的作用，就是將交流電壓和大電流按比例降到可以用儀表直接測(cè)量的數(shù)值，便于儀表直接測(cè)量，同時(shí)為繼電保護(hù)和自動(dòng)裝置提供電源。電力系統(tǒng)用互感器是將電網(wǎng)高電壓、大電流的信息傳遞到低電壓、小電流二次側(cè)的計(jì)量、測(cè)量?jī)x表及繼電保護(hù)、自動(dòng)裝置的一種特殊變壓器，南京電流互感器代理商價(jià)格哪家便宜，是一次系統(tǒng)和二次系統(tǒng)的聯(lián)絡(luò)元件，其一次繞組接入電網(wǎng)，二次繞組分別與測(cè)量?jī)x表、保護(hù)裝置等互相連接。電流互感器與測(cè)量?jī)x表和計(jì)量裝置配合，可以測(cè)量一次系統(tǒng)的電壓、電流和電能；與繼電保護(hù)和自動(dòng)裝置配合，可以構(gòu)成對(duì)電網(wǎng)各種故障的電氣保護(hù)和自動(dòng)控制。互感器性能的好壞，南京電流互感器代理商價(jià)格哪家便宜，直接影響到電力系統(tǒng)測(cè)量，南京電流互感器代理商價(jià)格哪家便宜、計(jì)量的準(zhǔn)確性和繼電器保護(hù)裝置動(dòng)作的可靠性。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。南京電流互感器代理商價(jià)格哪家便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京電流互感器代理商價(jià)格哪家便宜,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311261339023437/5552243.png"></div><p> 電流互感器的種類 </p> <p> 根據(jù)用途可分為： </p> <p> 計(jì)量用電流互感器：結(jié)算電費(fèi)用 </p> <p> 測(cè)量用電流互感器：測(cè)量電流、計(jì)算電度等，精度一般低于機(jī)兩用互感器，不作為結(jié)算用。 </p> <p> 保護(hù)用電流互感器：電流速度保護(hù)、過電流保、過載保護(hù)等； </p> <p> <p> 1. 校驗(yàn)用電流互感器精度：0.1S級(jí)。誤差0.1%，常用于校驗(yàn)計(jì)量級(jí)電流互感器的準(zhǔn)確度。 </p> <p> 2. 計(jì)量用電流互感器精度：0.2S 0.5級(jí)。誤差0.2%和0.5%，用于電費(fèi)結(jié)算的依據(jù)，部分場(chǎng)合也會(huì)使用0.5級(jí) </p> <p> 3. 測(cè)量級(jí)電流互感器：0.5級(jí)、1.0級(jí)，2.0級(jí)等，一般用于電流表。 </p> <p> 4. 保護(hù)用電流互感器精度：10P10、10P20、5P10、5P20等，精度的含義：以10P10為例，即流過電流互感器的電流，是其額定電流的10倍以內(nèi)的時(shí)候，電感器的誤差在±10%以內(nèi)。 </p> <p> 5. 在一些特殊場(chǎng)合，還有精度更精的電流互感器，有0.005級(jí),0.05級(jí)等，使用場(chǎng)合較少。 </p> 深圳電流互感器生產(chǎn)廠家有哪些貫穿式電流互感器，用來穿過屏板或墻壁的電流互感器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京電流互感器代理商價(jià)格哪家便宜,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759979101562/2915572.png"></div><p style="text-indent:25px">電流互感器故障點(diǎn)可能在短路點(diǎn)以前的回路中,可以逐點(diǎn)向前變換短接點(diǎn),縮小范圍。在故障范圍內(nèi),應(yīng)檢查容易發(fā)生故障的端子及元件,檢查回路有故障時(shí)觸動(dòng)過的部位。對(duì)于檢查出來的故障,能自行處理,如接線端子等部件松動(dòng)、接觸不良等,可以立即處理，然后投入所退出的保護(hù)。若開路故障點(diǎn)在互感器本體的接線端子上，對(duì)于10kV及以上設(shè)備應(yīng)停電處理。發(fā)現(xiàn)故障點(diǎn)，要及時(shí)的排除確定故障原因，讓互感器停止工作。這樣也是為了安全著想，要避免這種情況。</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(zhǎng)期對(duì)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(jí)。210%倍數(shù)：在指定的二次負(fù)荷和任意功率因數(shù)下，電流互感器的電流誤差為－10%時(shí)，一次電流對(duì)其額定值的倍數(shù)。10%倍數(shù)是與繼電保護(hù)有關(guān)的技術(shù)指標(biāo)。準(zhǔn)確度等級(jí)：表示互感器本身誤差（比差和角差）的等級(jí)。電流互感器的準(zhǔn)確度等級(jí)分為0.001～1多種級(jí)別，與原來相比準(zhǔn)確度提高很大。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="南京電流互感器代理商價(jià)格哪家便宜,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311261398486328/3422665.png"></div><p style="text-indent:25px">當(dāng)發(fā)生短路故障時(shí)，短路電流較正常負(fù)荷電流一般要大很多倍，這樣大的短路電流會(huì)產(chǎn)生很大的機(jī)械應(yīng)力和熱效應(yīng)，對(duì)電流互感器是有害的。故選擇電流互感器時(shí)，除容量和絕緣水平應(yīng)滿足要求外，還要校驗(yàn)在短路時(shí)的機(jī)械應(yīng)力和熱效應(yīng)，使其不超過電流互感器的額定允許值。在運(yùn)行的任何情況下，電流互感器二次繞組端子是不允許開路的，否則將產(chǎn)生危險(xiǎn)的高電壓，造成人身和設(shè)備事故。這是因?yàn)殡娏骰ジ衅鞫卫@組開路時(shí)，互感器一次繞組中的全部電流均為勵(lì)磁電流，使鐵芯中的磁通密度有效上升，從而在二次繞組中感應(yīng)出高達(dá)數(shù)千伏的感應(yīng)電勢(shì)，威脅著二次繞組的絕緣，同時(shí)也威脅工作人員的人身安全。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(diǎn)是變比量程多。西安電流互感器哪家便宜</p><p style="text-indent:25px">兩相電流差接線方式由兩臺(tái)電流互感器和一只電流繼電器組成。南京電流互感器代理商價(jià)格哪家便宜</p><p style="text-indent:25px">電流互感器的熱穩(wěn)定及動(dòng)穩(wěn)定倍數(shù)：電力系統(tǒng)故障時(shí)，電流互感器受到由于短路電流引起的巨大電流的熱效應(yīng)和電動(dòng)力作用，電流互感器應(yīng)該有能夠承受而不致受到破壞的能力，這種承受的能力用熱穩(wěn)定和動(dòng)穩(wěn)定倍數(shù)表示。熱穩(wěn)定倍數(shù)是指熱穩(wěn)定電流1s內(nèi)不致使電流互感器的發(fā)熱超過允許限度的電流與電流互感器的額定電流之比。動(dòng)穩(wěn)定倍數(shù)是電流互感器所能承受的比較大電流瞬時(shí)值與其額定電流之比。熱穩(wěn)定和動(dòng)穩(wěn)定是電流互感器要特別注意的點(diǎn)。在工作是要作為重點(diǎn)記錄。南京電流互感器代理商價(jià)格哪家便宜</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，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。公司自創(chuàng)立以來，投身于電流傳感器，霍爾傳感器，電流互感器，漏電流傳感器，是電子元器件的主力軍。啟東雙贏電子始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。啟東雙贏電子創(chuàng)始人尹志平，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>文章來源地址: http://m.cdcfah.com/cp/2388345.html</p></div></div></div></div></div><div id="3ugnpgs" class="page-right twoColRt"><div id="kzbpwyf" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7mtp8fp" class="recomPic likePro"><a 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