北京電流互感器批發(fā)商鑄造輝煌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。因此它經(jīng)常有線路的全部電流流過(guò)，北京電流互感器批發(fā)商，二次側(cè)繞組匝數(shù)比較多，串"><meta name="keywords" content="北京電流互感器批發(fā)商,電流互感器"><link rel="canonical" href="http://www.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" /> <meta 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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="1oqxuyu" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637311261436562500/6196336.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="x3p8xu2" 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>北京電流互感器批發(fā)商,電流互感器</p><p><span>***更新：</span>2021-01-29 10:13:55</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="13qfgdk" 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="gpm7pwy" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rqs2qnz" class="box"><p><p style="text-indent:25px">電流互感器是依據(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。因此它經(jīng)常有線路的全部電流流過(guò)，北京電流互感器批發(fā)商，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，北京電流互感器批發(fā)商，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。電流互感器是把一次側(cè)大電流轉(zhuǎn)換成二次側(cè)小電流來(lái)測(cè)量，北京電流互感器批發(fā)商，二次側(cè)不可開(kāi)路。電流互感器按電流變換原理：電磁式電流互感器。北京電流互感器批發(fā)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京電流互感器批發(fā)商,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311261436562500/6196336.png"></div><p style="text-indent:25px">電流互感器常見(jiàn)故障原因：①由于結(jié)構(gòu)和質(zhì)量上的缺陷,在運(yùn)行中,發(fā)生螺桿與嵌件螺孔接觸不良,造成開(kāi)路;②由于連接片膠木過(guò)長(zhǎng),旋轉(zhuǎn)端子金屬片未壓在連接片上,而誤壓在膠木套上,致使開(kāi)路;③修試工作中失誤。如忘記將繼電器內(nèi)部觸頭接好,驗(yàn)收時(shí)沒(méi)發(fā)現(xiàn);④二次線端子接頭壓接不緊,回路電流很大時(shí),發(fā)現(xiàn)燒斷或氧化過(guò)甚造成開(kāi)路;⑤室外端子柜、接線盒進(jìn)潮,端子螺絲和墊片銹蝕過(guò)重,造成開(kāi)路。發(fā)現(xiàn)這些鼓掌情況時(shí)，請(qǐng)務(wù)必聯(lián)系專業(yè)人員進(jìn)行維護(hù)，以便后續(xù)使用。北京電流互感器批發(fā)商電流互感器根據(jù)磁通可以分析出:pt不能短路,短路回產(chǎn)生過(guò)流。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京電流互感器批發(fā)商,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311261178691406/1245107.png"></div><p style="text-indent:25px">在單相回路中*有一個(gè)回路，這樣可用一臺(tái)電流互感器來(lái)測(cè)量回路中的電流。我們實(shí)際使用的電燈的回路中就是采用這種方式。在三相三線的電氣回路中，因?yàn)闆](méi)有相線和中性線間負(fù)荷，便可以用兩臺(tái)電流互感器，接成V型接線的方式，接二只電流表測(cè)量電流。這種接線方法：是將兩只電流表，接在二次線圖的公用導(dǎo)線上。為了節(jié)約器材和簡(jiǎn)化接線，在三相負(fù)荷基本平衡時(shí)，也可以用一臺(tái)電流互感器接一只電流表參考使用。同時(shí)在三相三線式的回路里，有時(shí)也采用三臺(tái)電流互感器接成角型接線，分別測(cè)量三相電流。在三相四線制供電系統(tǒng)中，應(yīng)安裝三臺(tái)電流互感器分別供電流表使用，接線方式可采用星形接線。</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。電流互感器二次繞組所接儀表的電流線圈阻抗很小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京電流互感器批發(fā)商,電流互感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759981523437/7460069.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。電流互感器的安裝必須牢固，互感器外殼的金屬外露部分應(yīng)可靠接地。上海電流互感器價(jià)錢多少</p><p style="text-indent:25px">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。北京電流互感器批發(fā)商</p><p style="text-indent:25px">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，而且可以變更，多見(jiàn)于高壓電流互感器。其一次繞組分為兩段，分別穿過(guò)互感器的鐵心，二次繞組分為兩個(gè)帶抽頭的、不同準(zhǔn)確度等級(jí)的**繞組。一次繞組與裝置在互感器外側(cè)的連接片連接，通過(guò)變更連接片的位置，使一次繞組形成串聯(lián)或并聯(lián)接線，從而改變一次繞組的匝數(shù)，以獲得不同的變比。帶抽頭的二次繞組自身分為兩個(gè)不同變比和不同準(zhǔn)確度等級(jí)的繞組，隨著一次繞組連接片位置的變更，一次繞組匝數(shù)相應(yīng)改變，其變比也隨之改變。北京電流互感器批發(fā)商</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3065878.html</p></div></div></div></div></div><div id="49krdfm" class="page-right twoColRt"><div id="f3fcugy" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bqikhtv" class="recomPic likePro"><a href="http://www.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 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