安徽高壓電機(jī)零配件山東聯(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="對(duì)于交流電機(jī)，額定電壓在1000V及以上的為高壓電機(jī)；低于1000V的為低壓電機(jī)(有些資料中的界限是1140V)。對(duì)于直流電機(jī)，額定電壓在1500V及以上的為高壓電機(jī)；低于1500V的為低壓電機(jī)。那么，高壓電機(jī)和低壓電機(jī)相比有哪些優(yōu)缺點(diǎn)：額"><meta name="keywords" content="安徽高壓電機(jī)零配件"><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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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7hlrdzn" 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>安徽高壓電機(jī)零配件</p><p><span>***更新：</span>2020-06-02 18:06:05</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="9djf9pv" 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="bz7dznb" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="brvtftp" class="box"><p><p> 對(duì)于交流電機(jī)，額定電壓在1000V及以上的為高壓電機(jī)；低于1000V的為低壓電機(jī)(有些資料中的界限是1140V)。對(duì)于直流電機(jī)，額定電壓在1500V及以上的為高壓電機(jī)；低于1500V的為低壓電機(jī)。那么，高壓電機(jī)和低壓電機(jī)相比有哪些優(yōu)缺點(diǎn)：額定電壓不一樣，啟動(dòng)和工作電流不一樣，電壓越高，電流越??；電機(jī)的絕緣和耐壓也不一樣，電機(jī)繞組的導(dǎo)線也一樣，安徽高壓電機(jī)零配件，同樣功率的電機(jī)，高電壓的電機(jī)導(dǎo)線比低電壓的要少，使用的電纜也不一樣。 </p> <p> 一、線圈的絕緣材料有所區(qū)別，低壓電機(jī)，線圈主要采用漆包線或其他簡(jiǎn)單的絕緣，如復(fù)合紙，高壓電機(jī)的絕緣通常采用多層結(jié)構(gòu)，安徽高壓電機(jī)零配件，如粉云母帶，結(jié)構(gòu)更復(fù)雜，安徽高壓電機(jī)零配件，耐壓程度更高。 </p> <p> 二、散熱結(jié)構(gòu)上的區(qū)別，低壓電機(jī)主要采用同軸風(fēng)扇直吹散熱，高壓電機(jī)大多數(shù)帶有**的散熱器，通常有兩種風(fēng)扇，一組內(nèi)循環(huán)風(fēng)扇，一組外循環(huán)風(fēng)扇，兩組風(fēng)扇同時(shí)運(yùn)轉(zhuǎn)，在散熱器上進(jìn)行熱交換將熱量排出電機(jī)外面。 </p> <p> 三，軸承結(jié)構(gòu)不同，低壓電動(dòng)機(jī)通常前后各有一組軸承，而高壓電動(dòng)機(jī)，因?yàn)樨?fù)載較重，通常軸伸端會(huì)有兩組軸承，非軸伸端的軸承數(shù)量根據(jù)負(fù)載情況而定，而特別大型的電動(dòng)機(jī)會(huì)采用滑動(dòng)軸承。 </p> <p> <br /> </p> <span style="display:none;"></span><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽高壓電機(jī)零配件" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267999546634_lcdianji_3110362.jpg"></div><p> 1.圓柱軸伸平鍵聯(lián)結(jié) </p> <p> 圓柱軸伸平鍵聯(lián)結(jié)**為常見，沒(méi)有特殊要求或缺省默認(rèn)情況均為平鍵聯(lián)結(jié)圓柱軸伸。這種軸伸不需要過(guò)高的加工 </p> <p> 設(shè)備和操作技能，粗糙度、尺寸精度和對(duì)中精度容易保證，可滿足絕大多數(shù)應(yīng)用場(chǎng)合結(jié)構(gòu)強(qiáng)度、配合精度要求。 </p> <p> 2.圓錐軸伸平鍵聯(lián)結(jié) </p> <p> 圓錐軸伸平鍵聯(lián)結(jié)多用于要求頻繁正反轉(zhuǎn)、耐振、耐沖擊、重載起動(dòng)等場(chǎng)合，一般軸伸錐度1：10、軸端帶鎖緊裝 </p> <p> 置。普通機(jī)加設(shè)備和**基本的操作技能均能勝任錐軸伸加工，應(yīng)用規(guī)模僅次于圓柱軸伸，共同作為標(biāo)準(zhǔn)軸伸聯(lián)結(jié) </p> <p> 輸出型式。 </p> <p> 3.圓柱軸伸切向鍵聯(lián)結(jié) </p> <p> 圓柱軸伸切向鍵聯(lián)結(jié)主要用于軸徑大于100mm 、對(duì)中性要求不高且載荷較大的重型機(jī)械中。切向鍵由兩個(gè)斜度為 </p> <p> 1:100的普通楔鍵組成，相互平行的兩窄面為工作面，一個(gè)工作面在通過(guò)軸心線的平面內(nèi)，工作時(shí)工作面上的擠壓 </p> <p> 力沿軸的切線作用，即靠工作面的擠壓來(lái)傳遞轉(zhuǎn)矩。一個(gè)切向鍵只能傳遞單向轉(zhuǎn)矩，若要傳遞雙向轉(zhuǎn)矩，必須用 </p> <p> 兩個(gè)切向鍵，并錯(cuò)開120～135反向安裝，如圖1所示。 </p> <p> 4.花鍵軸伸 </p> <p> 當(dāng)平鍵強(qiáng)度不能滿足設(shè)計(jì)要求時(shí)，則應(yīng)考慮設(shè)計(jì)花鍵軸伸?；ㄦI聯(lián)結(jié)是由多個(gè)鍵齒與鍵槽在軸和輪轂孔的周向均 </p> <p> 布而成，分為矩形花鍵和漸開線花鍵。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽高壓電機(jī)零配件" src="http://tyunfile.71360.com/UpLoadFile/2019/11/21/9/637099267975232474_lcdianji_7283141.jpg"></div><p> 有些電動(dòng)機(jī)繞組的引線只有三根，不能檢測(cè)繞組間絕緣，重繞電動(dòng)機(jī)的絕緣電阻一般不應(yīng)低于5兆歐。在線: 在電動(dòng)機(jī)運(yùn)行時(shí)，可測(cè)量其三相工作電壓和電流，看是否均衡。電壓應(yīng)基本相等，各相電流與平均值的誤差不應(yīng)超過(guò)10%，如用鉗形表測(cè)得的各相電流差值太大，則可能有匝間短路。有時(shí)需要脫開負(fù)載測(cè)量空載電流大小，一般2極約2800rpm，1/3 Ie（額定電流）；4極約1600rpm，40%左右 Ie；6極約900rpm，55% Ie。它會(huì)因極數(shù)與容量的不同而不同。另外電動(dòng)機(jī)的Y、△形接法不能搞錯(cuò)，若錯(cuò)將Y形接成△形，工作電流會(huì)增大；反之，則減小。同時(shí)，如電動(dòng)機(jī)的繞組接線錯(cuò)誤，或繞組匝數(shù)減少，舊電動(dòng)機(jī)的定轉(zhuǎn)子間氣隙過(guò)大(正常0.2-1.0mm)都會(huì)使空載電流加大，這些要點(diǎn)可以幫助我們判斷日常運(yùn)行電動(dòng)機(jī)狀況的好壞。 </p> <p> <br /> 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