聊城大型高壓電機(jī)多少錢山東聯(lián)創(chuàng)電機(jī)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="所謂三相異步電動機(jī)的啟動是指電動機(jī)從接入電源開始轉(zhuǎn)動起，到達(dá)到額定轉(zhuǎn)速為止的這一過程。根據(jù)理論分析和實(shí)際測定，三相異步電動機(jī)啟動瞬間；定子繞組啟動電流很大，可達(dá)額定值的4~7倍。三相異步電動機(jī)為什么會有這么大的啟動電流呢？因?yàn)楫惒诫妱訖C(jī)在啟"><meta name="keywords" content="聊城大型高壓電機(jī)多少錢"><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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href="http://www.cdcfah.com/cp/third-diandongjive_jsbyddjrv/">機(jī)械設(shè)備用電動機(jī)</a>?聊城大型高壓電機(jī)多少錢山東聯(lián)創(chuàng)電機(jī)供應(yīng)</p><div id="sg9fxeg" class="leftbox clearfix"><h1>聊城大型高壓電機(jī)多少錢山東聯(lián)創(chuàng)電機(jī)供應(yīng)</h1><div id="nchjl2u" class="proBig"><div id="7bd3vfw" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267975232474_lcdianji_7283141.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="x3pgdny" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267975232474_lcdianji_7283141.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dxxogsp" 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>聊城大型高壓電機(jī)多少錢</p><p><span>***更新：</span>2020-06-26 11:18:33</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="8mo3lx2" 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(jī)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(jī): </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="f8m7jqk" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="bvkmoq8" class="box"><p><p style="text-indent:25px">所謂三相異步電動機(jī)的啟動是指電動機(jī)從接入電源開始轉(zhuǎn)動起，到達(dá)到額定轉(zhuǎn)速為止的這一過程。根據(jù)理論分析和實(shí)際測定，三相異步電動機(jī)啟動瞬間；定子繞組啟動電流很大，可達(dá)額定值的4~7倍。三相異步電動機(jī)為什么會有這么大的啟動電流呢？因?yàn)楫惒诫妱訖C(jī)在啟動瞬間轉(zhuǎn)子并不能立馬就轉(zhuǎn)動起來，此時轉(zhuǎn)子電磁感應(yīng)的反電勢尚未建立起來，所以外電壓全部加在沒有反電勢的定子繞組上，其電路電流就是外電壓除以繞組的阻抗（用符號Z表示，是一種對電流其阻礙作用的能力，單位為歐姆公式Z=V/I表示），所以定子繞組電流很大。這么大的啟動電流將帶來以下不良后果：使電網(wǎng)電壓產(chǎn)生波動（特別是容量較大的電動機(jī)啟動時），從而影響到接在電網(wǎng)上的其它設(shè)備的正常運(yùn)行。使電動機(jī)繞組發(fā)熱，絕緣老化，從而縮短了電動機(jī)的使用壽命。特別是對經(jīng)常需要啟動的電動機(jī)影響較大。啟動瞬間，由于三相異步電動機(jī)轉(zhuǎn)子電路功率因素較低，聊城大型高壓電機(jī)多少錢，啟動轉(zhuǎn)矩并不很大。如果啟動轉(zhuǎn)矩小于負(fù)載轉(zhuǎn)矩則電動機(jī)將無法啟動，聊城大型高壓電機(jī)多少錢。綜上所述，三相異步電動機(jī)啟動時的主要缺點(diǎn)是啟動電流較大，聊城大型高壓電機(jī)多少錢。為了減小啟動電流，必須采用適當(dāng)?shù)膯臃椒ā?/p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="聊城大型高壓電機(jī)多少錢" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267975232474_lcdianji_7283141.jpg"></div><p style="text-indent:25px">現(xiàn)代電機(jī)通常都是高速運(yùn)轉(zhuǎn)的，它的運(yùn)轉(zhuǎn)速度每分鐘能夠達(dá)到數(shù)百甚至數(shù)千轉(zhuǎn)，這樣高的運(yùn)轉(zhuǎn)速度要進(jìn)行高低速的變換是相對困難的，但是很多應(yīng)用場合恰恰就有這樣的需求。因此，就需要現(xiàn)代電機(jī)為其提供轉(zhuǎn)換轉(zhuǎn)速的配件系統(tǒng)。但是這樣的轉(zhuǎn)換系統(tǒng)必然會增加整個電機(jī)系統(tǒng)的大小，并且也會影響到設(shè)備的精確度和工作效率。這時候，只有使現(xiàn)代電機(jī)驅(qū)動向直接驅(qū)動發(fā)展，才能有效的解決這一問題?，F(xiàn)代工業(yè)的發(fā)展經(jīng)常需要電機(jī)的極速化，即經(jīng)常需要電機(jī)保持極高或者極低的速度?，F(xiàn)代電機(jī)要極速化的要求與電機(jī)的直驅(qū)化緊密相關(guān)。電機(jī)的極速化，不僅有助于實(shí)現(xiàn)電機(jī)的直驅(qū)化，而且可以提高電機(jī)的工作效率和設(shè)備的精確度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="聊城大型高壓電機(jī)多少錢" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267874371572_lcdianji_5080347.jpg"></div><p> 電動機(jī)故障的原因有：電源斷相、電壓或頻率不對；繞組短路、斷路、接地；軸承運(yùn)轉(zhuǎn)不良；內(nèi)、外部臟，散熱不好（外部涂油漆太厚也是散熱不好的原因），和自帶冷卻風(fēng)扇壞，通風(fēng)不暢；與機(jī)械裝備不良；長期高負(fù)荷運(yùn)行；環(huán)境溫度高等等。90%以上都是日常管理檢查不細(xì)，電機(jī)維護(hù)保養(yǎng)不足造成的。電動機(jī)是日常生產(chǎn)中比不可少的設(shè)備之一，因此，它的日常維護(hù)就顯得相當(dāng)?shù)闹匾?。電動機(jī)由定子架、繞組及絕緣材料、轉(zhuǎn)子、兩端軸承及端蓋等組成，比較簡單。電動機(jī)故障的原因有：電源斷相、電壓或頻率不對；繞組短路、斷路、接地；軸承運(yùn)轉(zhuǎn)不良；內(nèi)、外部臟，散熱不好（外部涂油漆太厚也是散熱不好的原因），和自帶冷卻風(fēng)扇壞，通風(fēng)不暢；與機(jī)械裝備不良；長期高負(fù)荷運(yùn)行；環(huán)境溫度高等等。電動機(jī)的損壞，90%以上都是維修人員日常檢查不細(xì)，維護(hù)保養(yǎng)不足造成的，只要堅(jiān)持認(rèn)真看、聽、摸、測、做，絕大多數(shù)故障都可以預(yù)防和避免，減少公司備件和修理費(fèi)用的損失。 <p> <br /> </p> </p> <p> <br /> </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/397920.html</p></div></div></div></div></div><div id="polsuwq" class="page-right twoColRt"><div id="icewyfh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fzrtfro" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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