永磁同步電機
轉(zhuan)子(zi)不(bu)勵(li)磁(ci)的(de)同(tong)步(bu)電(dian)動(dong)機(ji)能(neng)夠(gou)運(yun)用(yong)於(yu)單(dan)相(xiang)電(dian)源(yuan)上(shang),也(ye)能(neng)運(yun)用(yong)於(yu)多(duo)相(xiang)電(dian)源(yuan)上(shang)。這(zhe)種(zhong)電(dian)動(dong)機(ji)中(zhong),有(you)一(yi)種(zhong)的(de)定(ding)子(zi)繞(rao)組(zu)與(yu)分(fen)相(xiang)電(dian)動(dong)機(ji)或(huo)多(duo)相(xiang)電(dian)動(dong)機(ji)的(de)定(ding)子(zi)相(xiang)似(si),同(tong)時(shi)有(you)一(yi)個(ge)鼠(shu)籠(long)轉(zhuan)子(zi),而(er)轉(zhuan)子(zi)的(de)表(biao)麵(mian)切(qie)成(cheng)平(ping)麵(mian)。所(suo)以(yi)是(shi)屬(shu)於(yu)顯(xian)極(ji)轉(zhuan)子(zi),轉(zhuan)子(zi)磁(ci)極(ji)是(shi)由(you)一(yi)種(zhong)磁(ci)化(hua)鋼(gang)做(zuo)成(cheng)的(de),而(er)且(qie)能(neng)夠(gou)經(jing)常(chang)保(bao)持(chi)磁(ci)性(xing)。鼠(shu)籠(long)繞(rao)組(zu)是(shi)用(yong)來(lai)產(chan)生(sheng)啟(qi)動(dong)轉(zhuan)矩(ju)的(de),而(er)當(dang)電(dian)動(dong)機(ji)旋(xuan)轉(zhuan)到(dao)一(yi)定(ding)的(de)轉(zhuan)速(su)時(shi),轉(zhuan)子(zi)顯(xian)極(ji)就(jiu)跟(gen)住(zhu)定(ding)子(zi)線(xian)圈(quan)的(de)電(dian)流(liu)頻(pin)率(lv)而(er)達(da)到(dao)同(tong)步(bu)。顯(xian)極(ji)的(de)極(ji)性(xing)是(shi)由(you)定(ding)子(zi)感(gan)應(ying)出(chu)來(lai)的(de),因(yin)此(ci)它(ta)的(de)數(shu)目(mu)應(ying)和(he)定(ding)子(zi)上(shang)極(ji)數(shu)相(xiang)等(deng),當(dang)電(dian)動(dong)機(ji)轉(zhuan)到(dao)它(ta)應(ying)有(you)的(de)速(su)度(du)時(shi),鼠(shu)籠(long)繞(rao)組(zu)就(jiu)失(shi)去(qu)了(le)作(zuo)用(yong),維(wei)持(chi)旋(xuan)轉(zhuan)是(shi)靠(kao)著(zhe)轉(zhuan)子(zi)與(yu)磁(ci)極(ji)跟(gen)住(zhu)定(ding)子(zi)磁(ci)極(ji),使(shi)之(zhi)同(tong)步(bu)。
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