電(dian)(dian)機(ji)是指依據電(dian)(dian)磁感應定律實現電(dian)(dian)能(neng)的(de)轉(zhuan)換或傳遞(di)的(de)一(yi)種電(dian)(dian)磁裝(zhuang)置。電(dian)(dian)機(ji)(俗(su)稱馬達),在電(dian)(dian)路中用(yong)字母(mu)“M”(舊標(biao)準用(yong)“D”)表示(shi)。它的(de)主(zhu)要作(zuo)用(yong)是產生驅動(dong)轉(zhuan)矩(ju),作(zuo)為用(yong)電(dian)(dian)器械或各種機(ji)械的(de)動(dong)力(li)源(yuan) 。
分類(lei)
1.按工作(zuo)電(dian)(dian)源分(fen)類 根據電(dian)(dian)動(dong)機(ji)(ji)工作(zuo)電(dian)(dian)源的不同,可分(fen)為直流電(dian)(dian)動(dong)機(ji)(ji)和(he)(he)交流電(dian)(dian)動(dong)機(ji)(ji)。其(qi)中交流電(dian)(dian)動(dong)機(ji)(ji)還分(fen)為單相(xiang)電(dian)(dian)動(dong)機(ji)(ji)和(he)(he)三相(xiang)電(dian)(dian)動(dong)機(ji)(ji)。
2.按(an)(an)結構及工(gong)作(zuo)原理分類 根(gen)據電(dian)(dian)動機(ji)按(an)(an)結構及工(gong)作(zuo)原理的不同,可分為(wei)直流電(dian)(dian)動機(ji),異步電(dian)(dian)動機(ji)和同步電(dian)(dian)動機(ji)。
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