淄博大型電機生產(chǎn)廠家山東聯(lián)創(chuàng)電機供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="電動機的控制系統(tǒng)由開關(guān)、保險絲、主副接觸器、繼電器，淄博大型電機生產(chǎn)廠家、溫度、感應(yīng)裝置等組成，相對較復(fù)雜。故障多種多樣，常需要借助控制原理圖分析排查。平時要注意保持控制箱內(nèi)、外清潔干燥，不能有水、油污，定期（每周）用小風(fēng)機吹干凈箱內(nèi)各元件"><meta name="keywords" content="淄博大型電機生產(chǎn)廠家"><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 http-equiv="Cache-Control" 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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_diandongjive/">電動機</a>?<a href="http://www.cdcfah.com/cp/third-diandongjive_jsbyddjrv/">機械設(shè)備用電動機</a>?淄博大型電機生產(chǎn)廠家山東聯(lián)創(chuàng)電機供應(yīng)</p><div id="22ouqom" class="leftbox clearfix"><h1>淄博大型電機生產(chǎn)廠家山東聯(lián)創(chuàng)電機供應(yīng)</h1><div id="sw2iwqu" class="proBig"><div id="w2cou4k" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099268003754854_lcdianji_5546368.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wkye4yo" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099268003754854_lcdianji_5546368.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="eiok2qu" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>淄博大型電機生產(chǎn)廠家</p><p><span>***更新：</span>2020-05-26 10:25:20</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="gwk2qei" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">山東聯(lián)創(chuàng)電機有限公司</a></p><p><span>聯(lián)系人：</span>李道松</p><p><span>郵箱: </span>505920191@qq.com</p><p><span>電話: </span>13906437131</p><p><span>傳真: </span>0533_7781170</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0533-7788099</p><p><span>地址: </span>山東省淄博市臨淄區(qū)朱臺鎮(zhèn)魏家村</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="oamoawy" class="page-proshow02"><p class="title">詳細說明</p><div id="qe2kaea" class="box"><p><p> 電動機的控制系統(tǒng)由開關(guān)、保險絲、主副接觸器、繼電器，淄博大型電機生產(chǎn)廠家、溫度、感應(yīng)裝置等組成，相對較復(fù)雜。故障多種多樣，常需要借助控制原理圖分析排查。平時要注意保持控制箱內(nèi)、外清潔干燥，不能有水、油污，定期（每周）用小風(fēng)機吹干凈箱內(nèi)各元件及接線柱、排上的灰塵，或用刷子蘸電器清潔劑刷干凈，以免影響接觸器、繼電器的工作或絕緣。設(shè)有烘潮電阻的控制箱，一般不要隨意關(guān)掉加熱開關(guān)。還應(yīng)保持箱體接地可靠，預(yù)防觸電。對采用星形-三角形(Y-△)方法啟動的（轉(zhuǎn)換延時約5秒）電動機，要察看其轉(zhuǎn)換啟動情況是否正常。通常，生產(chǎn)廠家對電動機的啟動周期(即每分鐘啟動次數(shù))有嚴格規(guī)定，淄博大型電機生產(chǎn)廠家，會在起動控制箱上有*示標(biāo)貼，淄博大型電機生產(chǎn)廠家，提醒使用者防止電動機因頻繁啟動而損壞，同時，也為防止起動控制箱內(nèi)的一些電器組件(如起動電抗器等)發(fā)熱燒毀。所以，對起停頻繁或電流大的電動機控制系統(tǒng)，應(yīng)縮短檢查保養(yǎng)周期。定期檢查熱過載繼電器的保護功能(可撥動旁邊的小紅標(biāo)色制)其設(shè)定動作值不要超過電動機銘牌的額定電流值，確保能起到過載保護的作用。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博大型電機生產(chǎn)廠家" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099268003754854_lcdianji_5546368.jpg"></div><p> 三相異步電動機的缺相運行是指三相供電電源缺少一相或三相繞組有一相從電源斷開而造成的一種電動機運行狀態(tài)，三相異步電動機的繞組燒毀大多數(shù)是由于缺相運行造成的。下面，我介紹一個簡便方法針對缺相故障進行保護。一、對于星形接法電動機，由于三相交流電的失量和為零，其中性點對地電壓理論上為零，但實際上三相電壓不會平衡，總要相差幾伏電壓。當(dāng)電機缺相運行時，由于定子三相電壓不平衡，中性點對地的零序電壓升高，當(dāng)電機滿負荷運行時，此零序電壓可達達25～45伏。此時，可通過串接于電機中性線上的零序電壓繼電器來對電機進行保護，如圖1所示。電機正常運行時，中性點對地電壓較低，Kv不動作。，中性蘭對地電壓升高，使Kv動作，它的常閉觸點斷開而切斷KM線圈電源，隨即主電路斷電。二、對于定子繞組三角形接法的電機，可將星形接法的三只電容器(容量2～4uF為好)接于三角形繞組上，引出人為中性點，如圖2所示。由于實際電路中，中性點對地總有幾伏電壓，因此可以把電壓繼電器整定到12～24伏。此外也可使用市場上的小型中間繼電器(12或24伏)來代替電壓繼電器。這樣更方便些。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博大型電機生產(chǎn)廠家" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267968998074_lcdianji_6703273.jpg"></div><p> 在電氣工程施工中，如何計算不同電壓等級的三相電動機額定電流呢，這里有一個口訣：容量除以千伏數(shù)，商乘系數(shù)點七六。這個口訣具體是怎么應(yīng)用的呢?下面為您詳細闡述。由公式及口訣均可說明容量相同的電壓等級不同的電動機的額定電流是不相同的，即電壓千伏數(shù)不一樣，去除以相同的容量，所得“商數(shù)”顯然不相同，不相同的商數(shù)去乘相同的系數(shù)0.76，所得的電流值也不相同。若把以上口訣叫做通用口訣，則可推導(dǎo)出計算220、380、660、3.6kV電壓等級電動機的額定電流**計算口訣，用**計算口訣計算某臺三相電動機額定電流時，容量千瓦與電流安培關(guān)系直接倍數(shù)化，省去了容量除以千伏數(shù)，商數(shù)再乘系數(shù)0.76。三相二百二電機，千瓦三點五安培。常用三百八電機，一個千瓦兩安培。低壓六百六電機，千瓦一點二安培。高壓三千伏電機，四個千瓦一安培。高壓六千伏電機，八個千瓦一安培。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博大型電機生產(chǎn)廠家" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267966660174_lcdianji_5193800.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/46684.html</p></div></div></div></div></div><div id="2e2uiuy" class="page-right twoColRt"><div id="a4yy2ao" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gcyeaeg" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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