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src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267874527432_lcdianji_5533522.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8h2g2cr" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267874527432_lcdianji_5533522.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="b7gszqc" 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>江蘇高壓電機(jī)生產(chǎn)廠家,電機(jī)</p><p><span>***更新：</span>2020-07-13 12:19:07</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="3cl7e2j" 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="lfrolsj" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="udfxe7p" class="box"><p><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)，江蘇高壓電機(jī)生產(chǎn)廠家，江蘇高壓電機(jī)生產(chǎn)廠家，起動(dòng)轉(zhuǎn)矩相應(yīng)減小，江蘇高壓電機(jī)生產(chǎn)廠家，故降壓起動(dòng)適用于空載或輕載下的起動(dòng) 聯(lián)創(chuàng)電機(jī)尊崇團(tuán)結(jié)、信譽(yù)、勤奮。江蘇高壓電機(jī)生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇高壓電機(jī)生產(chǎn)廠家,電機(jī)" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267874527432_lcdianji_5533522.jpg"></div><p> 電動(dòng)機(jī)在運(yùn)行中的狀況，可以通過電動(dòng)機(jī)電流的大小、溫度的高低、聲響的差異等表面的特征表現(xiàn)出來，因此電工人員可以通過眼、耳、手、鼻，同時(shí)借助儀表、工具加以監(jiān)視和檢測(cè)，發(fā)現(xiàn)異常，應(yīng)及時(shí)停機(jī)處理，排除故障。 </p> <p> (1)監(jiān)視電動(dòng)機(jī)的溫度。運(yùn)行中的電動(dòng)機(jī)都要發(fā)熱，其溫升不應(yīng)超過銘牌上的允許限度。電動(dòng)機(jī)的絕大部分故障都會(huì)使它的定子電流增大，溫度升高，因此，如果發(fā)現(xiàn)電動(dòng)機(jī)的溫度超過允許值，應(yīng)立即停機(jī)檢查，查明嚴(yán)重發(fā)熱的原因，排除故障后才可以運(yùn)行。四川中型高壓電機(jī)廠商聯(lián)創(chuàng)電機(jī)產(chǎn)品遠(yuǎn)銷國外。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇高壓電機(jī)生產(chǎn)廠家,電機(jī)" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267873903992_lcdianji_9233296.jpg"></div><p style="text-indent:25px">當(dāng)向三相定子繞組中通入對(duì)稱的三相交流電時(shí)，就產(chǎn)生了一個(gè)以同步轉(zhuǎn)速n1沿定子和轉(zhuǎn)子內(nèi)圓空間作順時(shí)針方向旋轉(zhuǎn)的旋轉(zhuǎn)磁場。由于旋轉(zhuǎn)磁場以n1轉(zhuǎn)速旋轉(zhuǎn)，轉(zhuǎn)子導(dǎo)體開始時(shí)是靜止的，故轉(zhuǎn)子導(dǎo)體將切割定子旋轉(zhuǎn)磁場而產(chǎn)生感應(yīng)電動(dòng)勢(shì)（感應(yīng)電動(dòng)勢(shì)的方向用右手定則判定）。由于轉(zhuǎn)子導(dǎo)體兩端被短路環(huán)短接，在感應(yīng)電動(dòng)勢(shì)的作用下，轉(zhuǎn)子導(dǎo)體中將產(chǎn)生與感應(yīng)電動(dòng)勢(shì)方向基本一致的感生電流。轉(zhuǎn)子的載流導(dǎo)體在定子磁場中受到電磁力的作用（力的方向用左手定則判定）。電磁力對(duì)轉(zhuǎn)子軸產(chǎn)生電磁轉(zhuǎn)矩，驅(qū)動(dòng)轉(zhuǎn)子沿著旋轉(zhuǎn)磁場方向旋轉(zhuǎn)。通過上述分析可以總結(jié)出電動(dòng)機(jī)工作原理為：當(dāng)電動(dòng)機(jī)的三相定子繞組（各相差120度電角度），通入三相對(duì)稱交流電后，將產(chǎn)生一個(gè)旋轉(zhuǎn)磁場，該旋轉(zhuǎn)磁場切割轉(zhuǎn)子繞組，從而在轉(zhuǎn)子繞組中產(chǎn)生感應(yīng)電流（轉(zhuǎn)子繞組是閉合通路），載流的轉(zhuǎn)子導(dǎo)體在定子旋轉(zhuǎn)磁場作用下將產(chǎn)生電磁力，從而在電機(jī)轉(zhuǎn)軸上形成電磁轉(zhuǎn)矩，驅(qū)動(dòng)電動(dòng)機(jī)旋轉(zhuǎn)，并且電機(jī)旋轉(zhuǎn)方向與旋轉(zhuǎn)磁場方向相同。</p>目前我國有多種電機(jī)產(chǎn)品，可根據(jù)型號(hào)、規(guī)格、動(dòng)力、軸伸、絕緣、編碼器、速度開關(guān)、熱傳感器、加熱區(qū)等不同參數(shù)劃分為各種電機(jī)。機(jī)床、軋鋼機(jī)、鼓風(fēng)機(jī)、打印機(jī)、泵、泵、起重機(jī)、輸送帶、生產(chǎn)線、電梯和醫(yī)療設(shè)備中的**電機(jī)、X光機(jī)、CT、牙科手術(shù)工具、透析機(jī)、呼吸機(jī)、電動(dòng)輪椅等，都使用大量的電機(jī)。電機(jī)在當(dāng)今世界被廣泛應(yīng)用，即使在有運(yùn)動(dòng)的地方，也可能有電機(jī)。作為高性能電機(jī)系統(tǒng)的靈魂，控制芯片和驅(qū)動(dòng)技術(shù)將發(fā)揮越來越重要的作用。從整個(gè)機(jī)械制造市場和終端用戶市場分析了我國電機(jī)和電機(jī)控制行業(yè)的發(fā)展趨勢(shì)和數(shù)據(jù)分析，包括伺服驅(qū)動(dòng)、伺服電機(jī)、變頻器、感應(yīng)電機(jī)、運(yùn)動(dòng)控制器、數(shù)控等應(yīng)用領(lǐng)域?；@筐。報(bào)告顯示，新能源的快速發(fā)展導(dǎo)致了汽車工業(yè)的快速發(fā)展，我國汽車工業(yè)的發(fā)展前景廣闊。 <p> <br /> 聯(lián)創(chuàng)電機(jī)不懈追求產(chǎn)品質(zhì)量，精益求精不斷升級(jí)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇高壓電機(jī)生產(chǎn)廠家,電機(jī)" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267932828813_lcdianji_4664347.jpg"></div><p> 監(jiān)視電動(dòng)機(jī)的運(yùn)行電流。運(yùn)行中電動(dòng)機(jī)的電流一般不應(yīng)超過銘牌上規(guī)定的額定電流，已裝電流表的電動(dòng)機(jī)，可以在電動(dòng)流表上畫一條額定電流的紅線。沒有電流表的小型電動(dòng)機(jī)，也應(yīng)定期用鉗形電流表測(cè)量三相電流。此外，還應(yīng)注意電動(dòng)機(jī)三相電流是否平衡，任意兩相間的電流差值不應(yīng)大于額定電流的10%，否則說明電動(dòng)機(jī)有故障。監(jiān)視電源電壓的變化。電源電壓變化范圍不應(yīng)超過或低于額定電壓的10%，若低于該范圍，應(yīng)適當(dāng)減輕負(fù)載運(yùn)行。同時(shí)，三相電壓不平衡也不能太大，任意兩相電壓的差值不應(yīng)超過5%，否則會(huì)使電動(dòng)機(jī)發(fā)熱過快。電動(dòng)機(jī)電源比較好裝一只電壓表和一只電壓換相開關(guān)，以便隨時(shí)監(jiān)視三相電壓。我公司將以優(yōu)良的產(chǎn)品，周到的服務(wù)與尊敬的用戶攜手并進(jìn)！廣西三相同步電機(jī)生產(chǎn)廠家</p><p style="text-indent:25px">公司生產(chǎn)工藝得到了長足的發(fā)展，優(yōu)良的品質(zhì)使我們的產(chǎn)品****各地。江蘇高壓電機(jī)生產(chǎn)廠家</p><p> 日常工作中，遇到一臺(tái)三相異步電機(jī)，往往這樣問，這臺(tái)電機(jī)是幾極的？比如是2極、4極、6極、8極……然后可 </p> <p> 以通過它的極數(shù)判斷它的額定轉(zhuǎn)速。那么電機(jī)的極數(shù)和轉(zhuǎn)速有什么關(guān)系呢？電機(jī)的極數(shù)是指每相線圈在定子圓周內(nèi)均勻分布的磁極數(shù)。磁極都是成對(duì)出現(xiàn)，N極和S極，所以一臺(tái)電機(jī)的極數(shù)<span style="display:none;"></span>**少是2極。級(jí)數(shù)越多，轉(zhuǎn)速越低，極數(shù)越少，轉(zhuǎn)速越高。轉(zhuǎn)速和極數(shù)的關(guān)系可通過公式：n=60f/p計(jì)算。n：轉(zhuǎn)速。 </p> <p> 60：60秒，我們平時(shí)所說的這臺(tái)電機(jī)的轉(zhuǎn)速多少，是指這臺(tái)電機(jī)每分鐘旋轉(zhuǎn)的周數(shù)，也就是 60秒旋轉(zhuǎn)的周數(shù)。 </p> <p> f:電網(wǎng)頻率，我國為50HZ。 </p> <p> p：電機(jī)極對(duì)數(shù)，2極電機(jī)，對(duì)數(shù)是1；4極電機(jī)，對(duì)數(shù)是2；8極電機(jī)，對(duì)數(shù)是4。比如一臺(tái)2極電機(jī)，轉(zhuǎn)速n=60秒 </p> <p> ×50HZ/極對(duì)數(shù)1=3000轉(zhuǎn)。但這是同步轉(zhuǎn)速，異步電機(jī)，轉(zhuǎn)子轉(zhuǎn)速低于定子旋轉(zhuǎn)磁場轉(zhuǎn)速，所以，異步轉(zhuǎn)速還涉 </p> <p> 及到電機(jī)轉(zhuǎn)差率的因素，轉(zhuǎn)差率=（定子轉(zhuǎn)速-轉(zhuǎn)子轉(zhuǎn)速）/定子轉(zhuǎn)速，不同廠家生產(chǎn)的電機(jī)轉(zhuǎn)差率也不同，通常在 </p> <p> 10％以內(nèi)，一般在4％左右。 </p> <p> 異步轉(zhuǎn)速和轉(zhuǎn)差率關(guān)系：N=(60F/P)×(1-S%)，所以2極電機(jī)異步轉(zhuǎn)速=3000×（1-4%）=2880轉(zhuǎn)左右。 </p> <p> 同樣算法，6極電機(jī)異步轉(zhuǎn)速=（60秒×50赫茲/極對(duì)數(shù)3）×（1-轉(zhuǎn)差率4%）=960轉(zhuǎn)左右。江蘇高壓電機(jī)生產(chǎn)廠家</p> <span style="display:none;"></span><p style="text-indent:25px">山東聯(lián)創(chuàng)電機(jī)有限公司成立于2003-05-30，是一家生產(chǎn)型的公司。公司業(yè)務(wù)分為[ "大型高壓電機(jī)", "中型高壓電機(jī)", "電機(jī)維修" ]等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供質(zhì)量的產(chǎn)品和服務(wù)。公司將不斷增強(qiáng)企業(yè)核心競爭力，努力學(xué)習(xí)行業(yè)先進(jìn)知識(shí)，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。公司憑借深厚技術(shù)支持，年?duì)I業(yè)額度達(dá)到50-100萬元，并與多家行業(yè)**公司建立了緊密的合作關(guān)系。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/584051.html</p></div></div></div></div></div><div id="fjl8xgh" class="page-right twoColRt"><div id="ysum7se" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gvcovct" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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