AC Electric mota

1, AC asynchronous mota

AC asynchronous motor ndi injini yotsogola ya AC voltage, yomwe imagwiritsidwa ntchito kwambiri pamafani amagetsi, mafiriji, makina ochapira, zoyatsira mpweya, zowumitsira tsitsi, zotsukira, ma hood osiyanasiyana, zotsukira mbale, makina osokera amagetsi, makina opangira chakudya ndi zida zina zapakhomo, monga komanso zida zosiyanasiyana zamagetsi ndi zida zazing'ono zamagetsi.

AC asynchronous mota imagawidwa kukhala induction motor ndi AC commutator motor.Ma motor induction amagawidwa kukhala imodzi-gawo asynchronous mota, AC / DC mota ndi repulsion mota.

Liwiro la injini (liwiro la rotor) ndi locheperapo la liwiro la maginito ozungulira, motero amatchedwa asynchronous motor.Kwenikweni ndizofanana ndi induction motor.S = (ns-n) / NS.S ndiye kukwera kwake,

NS ndi liwiro la maginito ndipo N ndi liwiro la rotor.

mfundo yoyambira:

1. Pamene atatu gawo asynchronous galimoto chikugwirizana ndi magawo atatu AC magetsi, magawo atatu stator mapiringidzo umayenda mwa magawo atatu magnetomotive mphamvu (stator wozungulira magnetomotive mphamvu) kwaiye ndi magawo atatu symmetrical panopa ndi amapanga. mphamvu ya maginito yozungulira.

2. Mphamvu ya maginito yozungulira imakhala ndi mayendedwe odulira ndi oyendetsa rotor.Malinga ndi mfundo ya electromagnetic induction, kondakitala wa rotor amapanga mphamvu yamagetsi yamagetsi komanso mphamvu yamagetsi.

3. Malinga ndi lamulo la mphamvu yamagetsi, kondakitala yonyamulira yapano imakhudzidwa ndi mphamvu yamagetsi yamaginito kuti ipange torque yamagetsi ndikuyendetsa chozungulira.Pakakhala katundu wamakina pa shaft yamagalimoto, imatulutsa mphamvu zamakina kunja.

Asynchronous motor ndi mtundu wa mota ya AC, ndipo chiŵerengero cha liwiro pansi pa katundu mpaka mafupipafupi a gridi yamagetsi yolumikizidwa sichitha nthawi zonse.Zimasinthanso ndi kukula kwa katundu.Kuchuluka kwa torque ya katundu, kutsika kwa liwiro la rotor.Asynchronous motor imaphatikizapo induction motor, induction motor yodyetsedwa kawiri ndi AC commutator motor.Motor induction ndiyomwe imagwiritsidwa ntchito kwambiri.Itha kutchedwa mota ya asynchronous popanda kuyambitsa kusamvetsetsana kapena chisokonezo.

Mapiritsi a stator wamba asynchronous motor amalumikizidwa ndi gridi yamagetsi ya AC, ndipo mafunde a rotor safunikira kulumikizidwa ndi magwero ena amagetsi.Choncho, ili ndi ubwino wa dongosolo losavuta, kupanga kosavuta, kugwiritsa ntchito ndi kukonza, ntchito yodalirika, yotsika mtengo komanso yotsika mtengo.Asynchronous motor ili ndi magwiridwe antchito apamwamba komanso magwiridwe antchito abwino.Imathamanga pa liwiro lokhazikika kuchokera ku zopanda katundu kupita ku katundu wambiri, zomwe zimatha kukwaniritsa zofunikira zotumizira zamakina ambiri opanga mafakitale ndi zaulimi.Ma Asynchronous motors nawonso ndi osavuta kupanga mitundu yosiyanasiyana yachitetezo kuti ikwaniritse zosowa zosiyanasiyana zachilengedwe.Pamene injini ya asynchronous ikuyenda, mphamvu yotsitsimula yogwira ntchito iyenera kutengedwa kuchokera ku gululi yamagetsi kuti iwononge mphamvu ya gridi yamagetsi.Chifukwa chake, ma synchronous motors nthawi zambiri amagwiritsidwa ntchito kuyendetsa zida zamphamvu kwambiri komanso zotsika kwambiri monga mphero za mpira ndi ma compressor.Chifukwa liwiro la mota ya asynchronous lili ndi ubale woterera ndi liwiro lake lozungulira la maginito, liwiro lake limayendetsa bwino (kupatula mota ya AC commutator).Galimoto ya DC ndiyokwera mtengo komanso yabwino pamakina oyendera, mphero, zida zazikulu zamakina, makina osindikizira ndi utoto ndi kupanga mapepala omwe amafunikira kuwongolera mwachangu komanso kosalala.Komabe, pakupangidwa kwa zida zamagetsi zamagetsi zamphamvu kwambiri komanso makina owongolera liwiro la AC, magwiridwe antchito komanso chuma cha ma asynchronous motor oyenera kuyendetsa liwiro lalikulu ndikufanana ndi mota ya DC.


Nthawi yotumiza: Dec-27-2021