福建中型高壓電機(jī)維修山東聯(lián)創(chuàng)電機(jī)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="同步電機(jī)，和感應(yīng)電機(jī)（即異步電機(jī)）一樣是一種常用的交流電機(jī)。同步電機(jī)是電力系統(tǒng)的心臟，它是一種集旋轉(zhuǎn)與靜止、電磁變化與機(jī)械運(yùn)動(dòng)于一體，實(shí)現(xiàn)電能與機(jī)械能變換的元件，其動(dòng)態(tài)性能十分復(fù)雜，而且其動(dòng)態(tài)性能又對(duì)全電力系統(tǒng)的動(dòng)態(tài)性能有極大影響。特點(diǎn)是："><meta name="keywords" content="福建中型高壓電機(jī)維修"><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 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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(dòng)機(jī)</a>?<a href="http://www.cdcfah.com/cp/third-diandongjive_jsbyddjrv/">機(jī)械設(shè)備用電動(dòng)機(jī)</a>?福建中型高壓電機(jī)維修山東聯(lián)創(chuàng)電機(jī)供應(yīng)</p><div id="y8lszgs" class="leftbox clearfix"><h1>福建中型高壓電機(jī)維修山東聯(lián)創(chuàng)電機(jī)供應(yīng)</h1><div id="kwihypw" class="proBig"><div id="yc2damd" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267931114353_lcdianji_7380131.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vzgsul7" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267931114353_lcdianji_7380131.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="w7lhzls" 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>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>福建中型高壓電機(jī)維修</p><p><span>***更新：</span>2020-05-24 06:24:07</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="mlnzbn2" 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(tái)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="imeldkw" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="apm2ipb" class="box"><p><p> 同步電機(jī)，和感應(yīng)電機(jī)（即異步電機(jī)）一樣是一種常用的交流電機(jī)。同步電機(jī)是電力系統(tǒng)的心臟，它是一種集旋轉(zhuǎn)與靜止、電磁變化與機(jī)械運(yùn)動(dòng)于一體，實(shí)現(xiàn)電能與機(jī)械能變換的元件，其動(dòng)態(tài)性能十分復(fù)雜，而且其動(dòng)態(tài)性能又對(duì)全電力系統(tǒng)的動(dòng)態(tài)性能有極大影響。特點(diǎn)是：穩(wěn)態(tài)運(yùn)行時(shí)，轉(zhuǎn)子的轉(zhuǎn)速和電網(wǎng)頻率之間有不變的關(guān)系n=ns=60f/p，其中f為電網(wǎng)頻率，p為電機(jī)的極對(duì)數(shù)，福建中型高壓電機(jī)維修，福建中型高壓電機(jī)維修，ns稱為同步轉(zhuǎn)速，福建中型高壓電機(jī)維修。若電網(wǎng)的頻率不變，則穩(wěn)態(tài)時(shí)同步電機(jī)的轉(zhuǎn)速恒為常數(shù)而與負(fù)載的大小無(wú)關(guān)。同步電機(jī)分為同步發(fā)電機(jī)和同步電動(dòng)機(jī)?，F(xiàn)代發(fā)電廠中的交流機(jī)以同步發(fā)電機(jī)為主。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建中型高壓電機(jī)維修" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267931114353_lcdianji_7380131.jpg"></div><p> 電動(dòng)機(jī)，也叫馬達(dá)，是一種通過(guò)電磁作用實(shí)現(xiàn)電能轉(zhuǎn)換成機(jī)械能的裝置，因?yàn)殡娪袔追N形式，機(jī)械結(jié)構(gòu)也不一樣，磁場(chǎng)形式也會(huì)有不同，電機(jī)本身的用途場(chǎng)所也會(huì)有差異，所以電機(jī)會(huì)有很多種類型，按照不同的標(biāo)準(zhǔn)，也會(huì)有不一樣的叫法和品類了. </p> <p> 一、通過(guò)電能的形式來(lái)分 </p> <p> 1、電有交流和直流兩種形式，所以電機(jī)可以總體分成交流電機(jī)和直流電機(jī)兩大類。 </p> <p> 2、交流電有單相和三相兩種，有單相交流電機(jī)和三相交流電電機(jī) </p> <p> 3、電壓有高低壓等級(jí)之分，所以也有高壓電機(jī)和電壓電機(jī)的說(shuō)法。 </p> <p> 二、按照原理來(lái)分類 </p> <p> 1、根據(jù)轉(zhuǎn)差率不同，可以分成同步電機(jī)和異步電機(jī) </p> <p> 2、同步電機(jī)根據(jù)磁場(chǎng)不一樣，有永磁同步電機(jī)，磁滯同步電機(jī)和磁阻同步電機(jī)。 </p> <p> 3、異步電機(jī)，有感應(yīng)形式的，也有交流換向器形式的。而感應(yīng)形式的有三相異步電機(jī)和罩極異步電機(jī)。交流換向器電機(jī)，還分為推斥電機(jī)，串激電機(jī)。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建中型高壓電機(jī)維修" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267874527432_lcdianji_5533522.jpg"></div><p> 三相電動(dòng)機(jī)在起動(dòng)時(shí)，起動(dòng)電流很大，可達(dá)到額定電流的4~7倍，很大的起動(dòng)電流，在短時(shí)間內(nèi)會(huì)在線路上造成 </p> <p> 較大的電壓降落，這不僅影響電動(dòng)機(jī)本身的起動(dòng)也會(huì)影響到同**路上的其他電動(dòng)機(jī)和電器設(shè)備的正常工作。 </p> <p> 為此，對(duì)大容量電動(dòng)機(jī)且起停頻繁時(shí)，為了限制起動(dòng)電流，必須采取降壓起動(dòng)。所謂降壓起動(dòng)，就是在電動(dòng)機(jī)起 </p> <p> 動(dòng)時(shí)降低加在電動(dòng)機(jī)定子繞組上的電壓，當(dāng)電動(dòng)機(jī)轉(zhuǎn)起來(lái)以后，再將加在定子繞組上的電壓恢復(fù)到正常值。由于 </p> <p> 電流與電壓成正比關(guān)系，所以降低起動(dòng)時(shí)的電壓能減小起動(dòng)電流。但是由于電磁轉(zhuǎn)矩與電動(dòng)機(jī)定子繞組端電壓的 </p> <p> 平方成正比，所以電動(dòng)機(jī)在降壓起動(dòng)時(shí)，起動(dòng)轉(zhuǎn)矩相應(yīng)減小，故降壓起動(dòng)適用于空載或輕載下的起動(dòng) </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建中型高壓電機(jī)維修" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099268003754854_lcdianji_5546368.jpg"></div></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/23665.html</p></div></div></div></div></div><div id="nczbdzl" class="page-right twoColRt"><div id="yi2pwne" 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