Magawo atatu asynchronous motorsndi zomwe timazitcha nthawi zambiri ma AC motors
Chofunikira pakuzungulira kwa magawo atatu asynchronous motors ndikukhala ndi mphamvu yamaginito yozungulira. Ma stator windings a magawo atatu asynchronous motors amagwiritsidwa ntchito kupanga maginito ozungulira. Monga ife tonse tikudziwa, gawo-ndi-gawo voteji pakati pa magawo amasiyana ndi madigiri 120, ndi malo mayendedwe a ma windings atatu a stator wa magawo atatu asynchronous motor amasiyana ndi madigiri 120. Mwanjira iyi, pamene mafunde a stator akudutsa, pamene magetsi a magawo atatu atsegulidwa, maginito a stator amapanga mphamvu yozungulira.
Mphamvu ya maginito yozungulira imazungulira kamodzi mumlengalenga pomwe pano ikusintha kamodzi pa kuzungulira. Mwanjira ina, liwiro lozungulira la maginito ozungulira limalumikizidwa ndi kusintha kwapano. Kuthamanga kwa maginito ozungulira maginito ndi motere. n=60f/P Apa, f ndi ma frequency amagetsi, P ndi chiwerengero cha ma pole awiri a maginito, ndipo unit ya n ndi chiwerengero cha kuzungulira pamphindi. Malinga ndi chilinganizo ichi, liwiro la mota limagwirizana ndi kuchuluka kwa mitengo ya maginito komanso kuchuluka kwa magetsi.
Kukhazikika kwa gawo limodziatatu-gawo asynchronous motorndi 1, ndipo rotor ili mu mawonekedwe a sedan. Pamene mphamvu ya sinusoidal ya gawo limodzi idutsa pamayendedwe a stator, galimotoyo imapanga mphamvu ya maginito ya AC. Mphamvu ndi momwe maginitowa amasinthira pakapita nthawi, koma chifukwa chokhazikika mumlengalenga, mphamvu ya maginitoyi imatchedwanso kuti maginito ogwiritsira ntchito maginito. Mphamvu ya maginito yolumikizana iyi imatha kuwola kukhala magawo awiri ozungulira maginito ndi liwiro lomwelo komanso mbali zozungulira. Rotor ikayima, maginito awiriwa omwe amazungulira amatulutsa ma torque awiri mu rotor, omwe amakhala athyathyathya komanso moyang'anizana ndi mbali yake, kotero torque ndi 0 ikapangidwa, motero injiniyo siyingazungulira.
Pamene mphamvu yakunja imagwiritsidwa ntchito pozunguliramagawo atatu induction ac motorm'njira inayake (kuzungulira kozungulira, ndi zina zotero), kusuntha kwa maginito odula pakati pa mphamvu ya maginito yozungulira ndi mphamvu ya maginito yozungulira mozungulira imakhala yaying'ono. Kusuntha kwa mizere yamphamvu ya maginito yomwe imadulidwa pakati pa gawo lozungulira la maginito ndi mphamvu ya maginito yozungulira mozungulira koloko kumakulirakulira. Mwanjira iyi, kuchuluka kwake kumagwa, torque yonse yamagetsi yopangidwa ndi rotor sidzakhala zero, ndipo rotor imazungulira mozungulira.