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src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099268025127156_lcdianji_2008886.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="q84ubaz" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099268025127156_lcdianji_2008886.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="fmo7g7m" 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>青海高壓電機(jī),電機(jī)</p><p><span>***更新：</span>2020-08-08 14:03:04</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="pelnkrb" 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="rgip7li" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qugip8m" class="box"><p><p style="text-indent:25px">異步電動(dòng)機(jī)的氣隙是很小的，中小型電動(dòng)機(jī)一般為0.2～2mm。氣隙越大，磁阻越大，要產(chǎn)生同樣大小的磁場，就需要較大的勵(lì)磁電流。由于氣隙的存在，異步電動(dòng)機(jī)的磁路磁阻遠(yuǎn)比變壓器為大，青海高壓電機(jī)，因而異步電動(dòng)機(jī)的勵(lì)磁電流也比變壓器的大得多。變壓器的勵(lì)磁電流約為額定電流的3%，異步電動(dòng)機(jī)的勵(lì)磁電流約為額定電流的30%。勵(lì)磁電流是無功電流，因而勵(lì)磁電流越大。繞組是電動(dòng)機(jī)的組成部分，老化、受潮、受熱、受侵蝕，青海高壓電機(jī)、異物侵入，青海高壓電機(jī)、外力的沖擊都會(huì)造成對繞組的傷害，電機(jī)過載、欠電壓、過電壓，缺相運(yùn)行也能引起繞組故障。繞組故障一般分為繞組接地、短路、開路、接線錯(cuò)誤。如今分別說明故障現(xiàn)象、產(chǎn)生的原因及檢查方法。聯(lián)創(chuàng)電機(jī)為客戶服務(wù)，要做到更好。青海高壓電機(jī)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青海高壓電機(jī),電機(jī)" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099268025127156_lcdianji_2008886.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)，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) 東營電機(jī)價(jià)格聯(lián)創(chuàng)電機(jī)銳意進(jìn)取，持續(xù)創(chuàng)新為各行各業(yè)提供專業(yè)化服務(wù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青海高壓電機(jī),電機(jī)" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267968998074_lcdianji_6703273.jpg"></div><p> 日常工作中，遇到一臺三相異步電機(jī)，往往這樣問，這臺電機(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)。磁極都是成對出現(xiàn)，N極和S極，所以一臺電機(jī)的極數(shù)<span style="display:none;"></span>**少是2極。級數(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)所說的這臺電機(jī)的轉(zhuǎn)速多少，是指這臺電機(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)極對數(shù)，2極電機(jī)，對數(shù)是1；4極電機(jī)，對數(shù)是2；8極電機(jī)，對數(shù)是4。比如一臺2極電機(jī)，轉(zhuǎn)速n=60秒 </p> <p> ×50HZ/極對數(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/極對數(shù)3）×（1-轉(zhuǎn)差率4%）=960轉(zhuǎn)左右。 </p> <span style="display:none;"></span><p style="text-indent:25px">異步電動(dòng)機(jī)的轉(zhuǎn)子由轉(zhuǎn)子鐵心、轉(zhuǎn)子繞組及轉(zhuǎn)軸組成。轉(zhuǎn)子鐵心也是電動(dòng)機(jī)磁路的一部分，也是用硅鋼片疊成。與定子鐵心沖片不同的是，轉(zhuǎn)子鐵心沖片是在沖片的外圓上開槽，疊裝后的轉(zhuǎn)子鐵心外圓柱面上均勻地形成許多形狀相同的槽，用以放置轉(zhuǎn)子繞組。轉(zhuǎn)子繞組是異步電動(dòng)機(jī)電路的另一部分，其作用為切割定子磁場，產(chǎn)生感應(yīng)電勢和電流，并在磁場作用下受力而使轉(zhuǎn)子轉(zhuǎn)動(dòng)。其結(jié)構(gòu)可分為籠型繞組和繞線式繞組兩種類型。這兩種轉(zhuǎn)子各自的主要特點(diǎn)是：籠型轉(zhuǎn)子結(jié)構(gòu)簡單，制造方便，經(jīng)濟(jì)耐用；繞線式轉(zhuǎn)子結(jié)構(gòu)復(fù)雜，價(jià)格貴，但轉(zhuǎn)子回路可引入外加電阻來改善起動(dòng)和調(diào)速性能?；\型轉(zhuǎn)子繞組由置于轉(zhuǎn)子槽中的導(dǎo)條和兩端的端環(huán)構(gòu)成。為節(jié)約用鋼和提高生產(chǎn)率，小功率異步電動(dòng)機(jī)的導(dǎo)條和端環(huán)一般都是融化的鋁液一次澆鑄出來的；對于大功率的電動(dòng)機(jī)，由于鑄鋁質(zhì)量不易保證，常用銅條插入轉(zhuǎn)子鐵心槽中，再在兩端焊上端環(huán)?；\型轉(zhuǎn)子繞組自行閉合，不必由外界電源供電，其外形像一個(gè)籠子，故稱籠型轉(zhuǎn)子。公司地理位置優(yōu)越，擁有完善的服務(wù)體系。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青海高壓電機(jī),電機(jī)" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267874527432_lcdianji_5533522.jpg"></div>目前我國有多種電機(jī)產(chǎn)品，可根據(jù)型號、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)在客戶和行業(yè)中樹立了良好的企業(yè)形象。四川電機(jī)生產(chǎn)</p><p style="text-indent:25px">公司實(shí)力雄厚，產(chǎn)品質(zhì)量可靠。青海高壓電機(jī)</p><p style="text-indent:25px">機(jī)械設(shè)備行業(yè)中，[ "大型高壓電機(jī)", "中型高壓電機(jī)", "電機(jī)維修" ]是能實(shí)現(xiàn)長期穩(wěn)定收益或增長的行業(yè)。據(jù)中國報(bào)告大廳發(fā)布的《2014-2018年中國食品包裝機(jī)械行業(yè)市場運(yùn)營模式分析與發(fā)展趨勢預(yù)測報(bào)告》了解到，灌裝生產(chǎn)線的缺陷已經(jīng)被先進(jìn)的科技和新的灌裝生產(chǎn)線系統(tǒng)取代，越來越多的企業(yè)開始關(guān)注和使用灌裝機(jī)生產(chǎn)型生產(chǎn)線。作為中國[ "大型高壓電機(jī)", "中型高壓電機(jī)", "電機(jī)維修" ]**重要的細(xì)分機(jī)種，是各類[ "大型高壓電機(jī)", "中型高壓電機(jī)", "電機(jī)維修" ]中利潤率比較高的產(chǎn)品之一，也被認(rèn)為是未來相當(dāng)有成長性的工程機(jī)械產(chǎn)品。近年來，挖掘機(jī)一直是整個(gè)工程機(jī)械行業(yè)高速增長的關(guān)鍵性驅(qū)動(dòng)力。近年來由于互聯(lián)網(wǎng)、人工智能時(shí)代的到來，機(jī)械及行業(yè)設(shè)備遭受多次沖擊，傳統(tǒng)產(chǎn)業(yè)正在朝著信息化、集成化等方向發(fā)展。業(yè)內(nèi)人士表示，隨著工業(yè)機(jī)械行業(yè)的成熟發(fā)展，未來將會(huì)有更多細(xì)分領(lǐng)域快速成長。青海高壓電機(jī)</p><p style="text-indent:25px">山東聯(lián)創(chuàng)電機(jī)有限公司屬于機(jī)械及行業(yè)設(shè)備的高新企業(yè)，技術(shù)力量雄厚。聯(lián)創(chuàng)電機(jī)供應(yīng)是一家有限責(zé)任公司（自然）企業(yè)，一直貫徹“以人為本，服務(wù)于社會(huì)”的經(jīng)營理念;“質(zhì)量高速，誠守信譽(yù)，持續(xù)發(fā)展”的質(zhì)量方針。公司業(yè)務(wù)涵蓋[ "大型高壓電機(jī)", "中型高壓電機(jī)", "電機(jī)維修" 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