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異步電動機的轉子轉速總是略低于旋轉磁場的同步轉速

文章出處:maituwangluo.com  |  發布時間:2017/3/31 13:52:59  |  瀏覽次數:635
按運轉(zhuan)速(su)(su)(su)度(du)分(fen)類 根據電(dian)(dian)動(dong)(dong)機(ji)按運轉(zhuan)速(su)(su)(su)度(du)不同(tong),可(ke)分(fen)為(wei)高速(su)(su)(su)電(dian)(dian)動(dong)(dong)機(ji)、低速(su)(su)(su)電(dian)(dian)動(dong)(dong)機(ji)、恒速(su)(su)(su)電(dian)(dian)動(dong)(dong)機(ji)、調速(su)(su)(su)電(dian)(dian)動(dong)(dong)機(ji)。

低速(su)電(dian)(dian)動(dong)機(ji)(ji)(ji)又分為(wei)齒輪減(jian)速(su)電(dian)(dian)動(dong)機(ji)(ji)(ji)、電(dian)(dian)磁減(jian)速(su)電(dian)(dian)動(dong)機(ji)(ji)(ji)、力(li)矩電(dian)(dian)動(dong)機(ji)(ji)(ji)和爪極同(tong)步(bu)電(dian)(dian)動(dong)機(ji)(ji)(ji)等。

調(diao)(diao)(diao)(diao)速(su)(su)電(dian)(dian)動機除可(ke)分為有級(ji)(ji)恒速(su)(su)電(dian)(dian)動機、無級(ji)(ji)恒速(su)(su)電(dian)(dian)動機、有級(ji)(ji)變速(su)(su)電(dian)(dian)動機和無級(ji)(ji)變速(su)(su)電(dian)(dian)動機外,還可(ke)分為電(dian)(dian)磁調(diao)(diao)(diao)(diao)速(su)(su)電(dian)(dian)動機、直流(liu)調(diao)(diao)(diao)(diao)速(su)(su)電(dian)(dian)動機、PWM變頻(pin)調(diao)(diao)(diao)(diao)速(su)(su)電(dian)(dian)動機和開關磁阻調(diao)(diao)(diao)(diao)速(su)(su)電(dian)(dian)動機。

異步(bu)電動機的轉子(zi)轉速總是略低(di)于旋轉磁場的同步(bu)轉速。



同步電動(dong)機的轉子轉速與(yu)負載(zai)大小無關而始終保(bao)持為同步轉速。

實(shi)(shi)用(yong)(yong)電(dian)(dian)機(ji)(ji)維(wei)(wei)修(xiu)(xiu)技(ji)術介紹了各類中小型(xing)(xing)電(dian)(dian)機(ji)(ji)的(de)(de)維(wei)(wei)修(xiu)(xiu)技(ji)術,重點介紹電(dian)(dian)機(ji)(ji)的(de)(de)維(wei)(wei)護保養、常見故障(zhang)及處理(li)、繞(rao)組重繞(rao)等(deng)(deng)修(xiu)(xiu)理(li)工(gong)藝。內容(rong)包括三相(xiang)異(yi)步電(dian)(dian)動(dong)機(ji)(ji)的(de)(de)維(wei)(wei)修(xiu)(xiu)、三相(xiang)異(yi)步電(dian)(dian)動(dong)機(ji)(ji)繞(rao)組重繞(rao)、單相(xiang)及特殊電(dian)(dian)動(dong)機(ji)(ji)的(de)(de)維(wei)(wei)修(xiu)(xiu)、直流(liu)電(dian)(dian)機(ji)(ji)的(de)(de)維(wei)(wei)修(xiu)(xiu)和同步電(dian)(dian)機(ji)(ji)的(de)(de)維(wei)(wei)修(xiu)(xiu)等(deng)(deng)。本(ben)書(shu)敘(xu)述通俗易懂,內容(rong)豐富,書(shu)中介紹的(de)(de)大量維(wei)(wei)修(xiu)(xiu)經驗、新(xin)工(gong)藝和新(xin)方(fang)(fang)法,在維(wei)(wei)修(xiu)(xiu)實(shi)(shi)踐(jian)中非常實(shi)(shi)用(yong)(yong)。本(ben)書(shu)可(ke)(ke)供(gong)具(ju)有初(chu)中以上(shang)文化程度的(de)(de)電(dian)(dian)機(ji)(ji)修(xiu)(xiu)理(li)人(ren)員(yuan)、工(gong)廠和農村電(dian)(dian)機(ji)(ji)維(wei)(wei)修(xiu)(xiu)人(ren)員(yuan)閱(yue)讀(du),也可(ke)(ke)供(gong)電(dian)(dian)氣技(ji)術人(ren)員(yuan)、設備管理(li)人(ren)員(yuan)學(xue)習、參考。高壓電(dian)(dian)機(ji)(ji)由(you)于加上(shang)層(ceng)數不等(deng)(deng)的(de)(de)云(yun)母絕(jue)緣(yuan)(yuan)材料(liao)后,厚度增加了很(hen)多(duo),線(xian)圈端部距離被(bei)絕(jue)緣(yuan)(yuan)層(ceng)擠(ji)占,稍不注意,嵌(qian)線(xian)時擁擠(ji)嵌(qian)放不下去,造(zao)成嵌(qian)線(xian)困難,這就需要冷(leng)整型(xing)(xing)。冷(leng)整型(xing)(xing)模具(ju)(或叫正(zheng)(zheng)(zheng)型(xing)(xing)模具(ju)),傳統以木制為多(duo),每(mei)種型(xing)(xing)號的(de)(de)電(dian)(dian)機(ji)(ji)就需要制作一套模具(ju),而我公(gong)司所使用(yong)(yong)的(de)(de)正(zheng)(zheng)(zheng)型(xing)(xing)模具(ju)具(ju)備調距、調角度、調端高等(deng)(deng)方(fang)(fang)面(mian)的(de)(de)靈活性(xing)。正(zheng)(zheng)(zheng)型(xing)(xing)期(qi)間敲打時必須(xu)注意,不可(ke)(ke)破壞層(ceng)間絕(jue)緣(yuan)(yuan)。 

低壓電(dian)機拉型(xing)后,一般不(bu)再冷整型(xing),直接進(jin)入(ru)嵌線工序(xu)。 
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