深圳電流互感器公司哪家好真誠(chéng)推薦啟東雙贏電子科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="電流互感器CT二次電流的大小由一次電流決定，二次電流產(chǎn)生的磁勢(shì)，是平衡一次電流的磁勢(shì)的。若突然使其開(kāi)路，則勵(lì)磁電動(dòng)勢(shì)由數(shù)值很小的值驟變?yōu)楹艽蟮闹?，鐵芯中的磁通呈現(xiàn)嚴(yán)重飽和的平頂波，因此二次側(cè)繞組將在磁通過(guò)零時(shí)感應(yīng)出很高的尖頂波，其值可達(dá)到數(shù)"><meta name="keywords" content="深圳電流互感器公司哪家好,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" 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href="http://m.cdcfah.com/cp/third-chuanganqisr_hecgq/">霍爾傳感器</a>?深圳電流互感器公司哪家好真誠(chéng)推薦啟東雙贏電子科技供應(yīng)</p><div id="xecx8l3" class="leftbox clearfix"><h1>深圳電流互感器公司哪家好真誠(chéng)推薦啟東雙贏電子科技供應(yīng)</h1><div id="43xyexn" class="proBig"><div id="8grsdwh" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637314759948720703/3746576.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qplmnql" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637314759948720703/3746576.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3vwstua" 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>深圳電流互感器公司哪家好,電流互感器</p><p><span>***更新：</span>2021-02-03 05:20:52</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="scd8m3o" 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="a3jf3oc" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="8tu572i" class="box"><p><p style="text-indent:25px">電流互感器CT二次電流的大小由一次電流決定，二次電流產(chǎn)生的磁勢(shì)，是平衡一次電流的磁勢(shì)的。若突然使其開(kāi)路，則勵(lì)磁電動(dòng)勢(shì)由數(shù)值很小的值驟變?yōu)楹艽蟮闹担F芯中的磁通呈現(xiàn)嚴(yán)重飽和的平頂波，因此二次側(cè)繞組將在磁通過(guò)零時(shí)感應(yīng)出很高的尖頂波，其值可達(dá)到數(shù)千甚至上萬(wàn)伏，危及工作人員的安全及儀表的絕緣性能，深圳電流互感器公司哪家好。另外，二次側(cè)開(kāi)路使二次側(cè)電壓達(dá)幾百伏，一旦觸及將造成觸電事故。因此，電流互感器二次側(cè)都備有短路開(kāi)關(guān)，防止二次側(cè)開(kāi)路。在使用過(guò)程中，深圳電流互感器公司哪家好，二次側(cè)一旦開(kāi)路應(yīng)馬上撤掉電路負(fù)載，深圳電流互感器公司哪家好，然后，再停電處理。一切處理好后方可再用。保護(hù)用電流互感器在額定負(fù)荷下能夠滿足準(zhǔn)確級(jí)的要求比較大一次電流叫額定準(zhǔn)確限值一次電流。深圳電流互感器公司哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳電流互感器公司哪家好,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759948720703/3746576.png"></div><p style="text-indent:25px">電流互感器工作原理：在供電用電的線路中，電流相差從幾安到幾萬(wàn)安，電壓相差從幾伏到幾百萬(wàn)伏。線路中電流電壓都比較高，如直接測(cè)量是非常危險(xiǎn)的。為便于二次儀表測(cè)量需要轉(zhuǎn)換為比較統(tǒng)一的電流電壓，使用電流互感器起到變流變壓和電氣隔離的作用。顯示儀表大部分是指針式的電流電壓表，所以電流互感器的二次電流大多數(shù)是安培級(jí)的（如5等）。隨著時(shí)代發(fā)展，電量測(cè)量大多已經(jīng)達(dá)到數(shù)字化，而計(jì)算機(jī)的采樣的信號(hào)一般為毫安級(jí)（0-5V、4-20mA等）。微型電流互感器二次電流為毫安級(jí)，主要起大互感器與采樣之間的橋梁作用。微型電流互感器稱之為“儀用電流互感器”。（“儀用電流互感器”有一層含義是在實(shí)驗(yàn)室使用的多電流比精密電流互感器，一般用于擴(kuò)大儀表量程。）深圳電流互感器公司哪家好電流互感器他的一次繞組用粗線繞成,通常只有幾匝或幾匝。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳電流互感器公司哪家好,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311261436562500/6196336.png"></div><p style="text-indent:25px">電流互感器接入式測(cè)量：采用二臺(tái)電流互感器，接成不完全星形，用以測(cè)量三相平衡或不平衡線路中的三相電流。采用三臺(tái)電流互感器，接成完全星形接法，用以測(cè)量三相平衡或不平衡線路中的三相電流。交流電度的測(cè)量：為了擴(kuò)大交流電度表的量程，工廠比較常用的是采用電流互感器的方法來(lái)擴(kuò)大量程。采用單相電度表加電流互感器的測(cè)量方法，可用于測(cè)量三相平衡或單相電度計(jì)量。采用二元件三相三線有功電度表，加二個(gè)電流互感器的測(cè)量方法。可用于測(cè)量三相平衡或不平衡線路中的電度計(jì)量。采用三相四線有功電度表，加三個(gè)電流互感器的測(cè)量方法。可測(cè)量三相平衡或不平衡線路中的電度計(jì)量。</p><p style="text-indent:25px">在電流互感器中由于磁通密度的有效上升，使鐵芯內(nèi)渦流及磁滯損耗有效增加，產(chǎn)生大量的熱量，使互感器的磁導(dǎo)體溫升超過(guò)許可范圍，這高溫對(duì)靠近磁導(dǎo)體的繞組絕緣尤為有害。第三，由于產(chǎn)生殘磁的關(guān)系，使磁導(dǎo)體的磁性趨于惡化。電流互感器的二次繞組回路必須有一點(diǎn)接地。這是為了防止當(dāng)一次繞組和二次繞組擊穿后在二次繞組出現(xiàn)高電壓，以致?lián)p壞二次設(shè)備和威脅人身安全。但是電流互感器二次回路不能有兩點(diǎn)接地，否則會(huì)由于地中電流引起的繼電保護(hù)誤動(dòng)作。組合式互感器多安裝于高壓計(jì)量箱、柜，用作計(jì)量電能或用作用電設(shè)備繼電保護(hù)裝置的電源。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳電流互感器公司哪家好,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311261398486328/3422665.png"></div><p style="text-indent:25px">電流互感器的特性：1、電流互感器在交流回路中使用，在交流回路中電流的方向隨時(shí)間在改變。電流互感器的極性指的是某一時(shí)刻一次側(cè)極性與二次側(cè)某一端極性相同，即同時(shí)為正、或同時(shí)為負(fù)，稱此特性為同特性端或同名端，用符號(hào)"*"、"-"或"."表示。（也可理解為一次電流與二次電流的方向關(guān)系）。2、按照規(guī)定，電流互感器一次線圈一端標(biāo)為L(zhǎng)1，尾端標(biāo)為L(zhǎng)2；二次線圈的一端標(biāo)為K1，尾端標(biāo)為K2。在接線中L1和K1稱為同極性端，L2和K2也為同特性端。電流互感器同極性端的判別與耦合線圈的特性判別相同。較簡(jiǎn)單的方法例如用1.5V干電池接一次線圈，用一高內(nèi)阻、大量程的直流電壓表接二次線圈。當(dāng)開(kāi)關(guān)閉合時(shí)，如果發(fā)現(xiàn)電壓表指針正向偏轉(zhuǎn)，可判定1和2是同極性端，當(dāng)開(kāi)關(guān)閉合時(shí)，如果發(fā)現(xiàn)電壓表指針?lè)聪蚱D(zhuǎn)，可判定1和2不是同極性端。電流互感器只有一個(gè)電流比。深圳電流互感器公司哪家好</p><p style="text-indent:25px">貫穿式電流互感器，用來(lái)穿過(guò)屏板或墻壁的電流互感器。深圳電流互感器公司哪家好</p><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?。而電路均為?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。??深圳電流互感器公司哪家好</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/3135288.html</p></div></div></div></div></div><div id="nx889kq" class="page-right twoColRt"><div id="r8lhnjp" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8ulepfb" 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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