直流電動機是一種將直流電能(neng)轉換為機械能(neng)的電動機。

無刷直流電動機、有刷直流電(dian)動(dong)機、串勵直流電(dian)動(dong)機、并連(lian)直流電(dian)機、他(ta)勵直流電(dian)機、復連(lian)直流電(dian)機、永磁式(shi)直流電(dian)動(dong)機等(deng)

交流電動機是一種將交(jiao)流電(dian)(dian)的電(dian)(dian)能(neng)轉(zhuan)變(bian)為機械能(neng)的(de)裝(zhuang)置。主要由定子(zi)和(he)轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)兩部(bu)分組(zu)成。當電流(liu)通(tong)過定子(zi)線(xian)圈時，它會產生(sheng)旋轉(zhuan)(zhuan)(zhuan)(zhuan)磁(ci)場，而轉(zhuan)(zhuan)(zhuan)(zhuan)子(zi)中的(de)感應線(xian)圈受(shou)到(dao)這個旋轉(zhuan)(zhuan)(zhuan)(zhuan)磁(ci)場的(de)作用，從而發(fa)生(sheng)運動(dong)，驅(qu)動(dong)機械(xie)負載轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)。

同(tong)步交流電動(dong)(dong)機(ji)、感應電動(dong)(dong)機(ji)、電勵磁(ci)同(tong)步電動(dong)(dong)機(ji)、永磁(ci)同(tong)步電動(dong)(dong)機(ji)、單相電動(dong)(dong)機(ji)、三相電動(dong)(dong)機(ji)

Mai_goo小編了解到直流電機是指能將直流電能轉換成機械(xie)能（直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)）或(huo)將(jiang)機(ji)(ji)械(xie)(xie)能(neng)(neng)(neng)轉換成(cheng)直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)能(neng)(neng)(neng)（直(zhi)流(liu)發電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)）的旋轉電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)。當它作電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)運行時是(shi)直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)，能(neng)(neng)(neng)將(jiang)電(dian)(dian)(dian)(dian)(dian)能(neng)(neng)(neng)轉換為(wei)(wei)機(ji)(ji)械(xie)(xie)能(neng)(neng)(neng)。作發電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)運行時是(shi)直(zhi)流(liu)發電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)，能(neng)(neng)(neng)將(jiang)機(ji)(ji)械(xie)(xie)能(neng)(neng)(neng)轉換為(wei)(wei)電(dian)(dian)(dian)(dian)(dian)能(neng)(neng)(neng)。

異步電動機是由氣隙(xi)旋轉磁場(chang)與轉子(zi)繞組感應電流相互作用(yong)產生電磁轉矩，從而實現機電能量轉換為機械能量的(de)一(yi)種交流電機(ji)(ji)。異步電動機(ji)(ji)因其(qi)結構簡單、成本(ben)低廉、維(wei)護方便、運行可(ke)靠等優(you)點，在工業和(he)日常生活中得(de)到了(le)廣泛的(de)應(ying)用。包(bao)括泵和(he)風機(ji)(ji)、輸送帶和(he)提升(sheng)機(ji)(ji)、壓縮機(ji)(ji)、洗衣(yi)機(ji)(ji)、烘(hong)干機(ji)(ji)、攪拌機(ji)(ji)等等。

同步電動機是由直流(liu)供電的勵磁(ci)磁(ci)場與電樞的旋轉磁(ci)場相(xiang)互作用而產生轉(zhuan)矩(ju)，以同(tong)(tong)(tong)(tong)步(bu)(bu)轉(zhuan)速旋(xuan)轉(zhuan)的交流(liu)電動機(ji)。在穩(wen)定工作狀態下，其軸(zhou)的旋(xuan)轉(zhuan)頻率與(yu)電源電流(liu)的頻率同(tong)(tong)(tong)(tong)步(bu)(bu)，自(zi)轉(zhuan)周期(qi)恰好等(deng)于(yu)交流(liu)電周期(qi)的整數(shu)倍。根據勵磁(ci)(ci)方式(shi)的不同(tong)(tong)(tong)(tong)，同(tong)(tong)(tong)(tong)步(bu)(bu)電動機(ji)可以分為多種類型，如永磁(ci)(ci)同(tong)(tong)(tong)(tong)步(bu)(bu)電動機(ji)、磁(ci)(ci)阻同(tong)(tong)(tong)(tong)步(bu)(bu)電動機(ji)、磁(ci)(ci)滯同(tong)(tong)(tong)(tong)步(bu)(bu)電動機(ji)。常見于(yu)紡織、造(zao)紙、飛機(ji)、火箭、風力發(fa)電機(ji)組、軍事裝備等(deng)中(zhong)。

電(dian)(dian)(dian)容起動(dong)式單(dan)相異(yi)步電(dian)(dian)(dian)動(dong)機是在(zai)電(dian)(dian)(dian)動(dong)機啟(qi)(qi)動(dong)時，通過在(zai)定子(zi)繞(rao)組中加入(ru)電(dian)(dian)(dian)容器，使(shi)定子(zi)繞(rao)組產生兩組相位不同的(de)電(dian)(dian)(dian)流，從而(er)產生旋轉磁場(chang)，使(shi)電(dian)(dian)(dian)動(dong)機順利啟(qi)(qi)動(dong)的(de)一種電(dian)(dian)(dian)動(dong)機。

電(dian)容(rong)運轉式(shi)單(dan)相異步電(dian)動(dong)(dong)機是一(yi)(yi)種在定子繞(rao)(rao)組(zu)(zu)中(zhong)并聯一(yi)(yi)個電(dian)容(rong)器的單(dan)相異步電(dian)動(dong)(dong)機。其結構主要由(you)定子、轉子、電(dian)容(rong)器等組(zu)(zu)成。定子由(you)鐵(tie)(tie)心和繞(rao)(rao)組(zu)(zu)構成，轉子同樣由(you)鐵(tie)(tie)心和繞(rao)(rao)組(zu)(zu)構成，而電(dian)容(rong)器則與定子繞(rao)(rao)組(zu)(zu)并聯，用于調節(jie)電(dian)流。

分(fen)相(xiang)(xiang)式(shi)單相(xiang)(xiang)異步(bu)電(dian)(dian)動(dong)(dong)機的工作原理主(zhu)要依賴于電(dian)(dian)流的分(fen)相(xiang)(xiang)。在單相(xiang)(xiang)電(dian)(dian)源供電(dian)(dian)的情(qing)況下，為了產(chan)生旋轉磁場(chang)，需(xu)要采取一(yi)些特(te)殊措施來實現(xian)電(dian)(dian)流的分(fen)相(xiang)(xiang)。分(fen)相(xiang)(xiang)式(shi)單相(xiang)(xiang)異步(bu)電(dian)(dian)動(dong)(dong)機的結構(gou)相(xiang)(xiang)對簡單，主(zhu)要由定(ding)子、轉子、電(dian)(dian)容器(qi)、電(dian)(dian)阻器(qi)等元件組成。

又稱籠鼠式(shi)(shi)電(dian)動(dong)機，鼠籠型電(dian)動(dong)機的定子(zi)繞(rao)組(zu)為(wei)三相(xiang)鑲嵌式(shi)(shi)分布繞(rao)組(zu)，而(er)(er)轉(zhuan)子(zi)則是由鋁(lv)條(tiao)或銅條(tiao)與短(duan)路(lu)環焊接(jie)而(er)(er)成或鑄造而(er)(er)成的籠式(shi)(shi)導條(tiao)。這種導條(tiao)的形狀與鼠籠相(xiang)似，因此得名鼠籠型電(dian)動(dong)機。

籠鼠(shu)式電(dian)動(dong)機是一種(zhong)通用(yong)型電(dian)動(dong)機，其銅損耗低，效率高，能夠節(jie)約(yue)大量電(dian)能。而且籠鼠(shu)式電(dian)動(dong)機的機身結構簡單堅固，內部(bu)由銅楔子和(he)鐵(tie)心片組成(cheng)，沒有易損件，很(hen)少需要維修或更換。

繞(rao)(rao)線型(xing)異(yi)步電(dian)(dian)動(dong)(dong)機的轉(zhuan)子繞(rao)(rao)組是銅線繞(rao)(rao)制的線圈，這些線圈的末端通(tong)過滑環引到啟(qi)動(dong)(dong)控制設備上。這種結(jie)構使(shi)得繞(rao)(rao)線型(xing)異(yi)步電(dian)(dian)動(dong)(dong)機在啟(qi)動(dong)(dong)和調速(su)方面具有較大(da)的靈活性。

啟動(dong)電(dian)流(liu)小且(qie)可控(kong)、啟動(dong)轉(zhuan)矩大、調速性(xing)能好、適應性(xing)強。也存在一些缺點。例(li)如，其結(jie)構相對復(fu)(fu)雜，制造成本(ben)較高；同時，由于需(xu)要外部(bu)設備(bei)進行(xing)控(kong)制，因此維護和保養也相對復(fu)(fu)雜。

工(gong)(gong)具(ju)用(yong)(yong)(yong)電(dian)(dian)動機(ji)(ji)(ji)，屬于專用(yong)(yong)(yong)的(de)電(dian)(dian)機(ji)(ji)(ji)的(de)一種(zhong)，特指應用(yong)(yong)(yong)于電(dian)(dian)動工(gong)(gong)具(ju)中的(de)電(dian)(dian)動機(ji)(ji)(ji)。電(dian)(dian)動工(gong)(gong)具(ju)用(yong)(yong)(yong)電(dian)(dian)動機(ji)(ji)(ji)是(shi)(shi)一種(zhong)將電(dian)(dian)能轉化為機(ji)(ji)(ji)械(xie)能的(de)裝置，它(ta)利用(yong)(yong)(yong)通電(dian)(dian)線圈在磁場中受力轉動的(de)現象而制成。這種(zhong)電(dian)(dian)動機(ji)(ji)(ji)是(shi)(shi)電(dian)(dian)動工(gong)(gong)具(ju)的(de)核心部件，負責提供(gong)動力以驅動工(gong)(gong)具(ju)進(jin)行各種(zhong)作業(ye)。

民用家(jia)電(dian)(dian)中的(de)電(dian)(dian)動機，是(shi)家(jia)用電(dian)(dian)器中的(de)重(zhong)要(yao)組成(cheng)部分，為(wei)家(jia)電(dian)(dian)提供必要(yao)的(de)動力。包括(kuo)洗衣機、空調、洗碗機、吸(xi)塵器、冰箱、電(dian)(dian)風(feng)扇、電(dian)(dian)烤箱、電(dian)(dian)動工具等。

步進電動機，又稱為脈沖電動機，步進電動機是將電脈沖激勵信號轉換成相應的角位移或線位移的離散值控制電動機，這種電動機每當輸入一個電脈沖就動一步，所以又稱脈沖電動機。步進電動機的分類方式較多，一般按勵磁方式分為磁阻式、永磁式和混磁式三種；按相數可分為單相、兩相、三相和多相等形式。其中，兩相和三相步進電動機在應用中較為常見。【詳細>>】

伺服電動機是指在伺服系統中控制機械元件運轉的發動機，是一種補助馬達間接變速裝置。伺服電機可以控制速度，位置精度非常準確，可以將電壓信號轉化為轉矩和轉速以驅動控制對象。買購網小編建議自動化設備和精密設備可以選擇伺服電動機。【詳細>>】

16號機(ji)座(zuo)及以上，或機(ji)座(zuo)中(zhong)心高大(da)于(yu)630mm，或者(zhe)定子鐵(tie)心外徑大(da)于(yu)990mm的，屬于(yu)大(da)型電動機(ji)。

1～15號(hao)機(ji)座(zuo)，或機(ji)座(zuo)中心高在(zai)(zai)355mm～630mm，或者定子鐵(tie)心外徑在(zai)(zai)560～990mm之(zhi)間的(de)，的(de)屬(shu)于中型電動機(ji)。

10號及以下(xia)機座(zuo)，機座(zuo)中心(xin)高在80mm～315mm，或者(zhe)定子鐵心(xin)外徑在125～560mm之間的，屬于小型電動機。