1. Mitundu ya njanji yamagetsi otengera ngolo zamagalimoto
Matigari onyamula magetsi onyamula njanji ndi mtundu wa zida zomwe zimagwiritsidwa ntchito potengera zinthu komanso zoyendera. Mitundu yawo yamagalimoto imagawidwa m'magulu awiri: ma mota a DC ndi ma AC motors. Ma motors a DC ndi osavuta komanso osavuta kuwongolera ndipo amagwiritsidwa ntchito kwambiri pamagalimoto otengera magetsi anjanji; Ma motors a AC ali ndi maubwino pakugwiritsa ntchito mphamvu komanso kuchuluka kwa katundu, ndipo akhala akugwiritsidwa ntchito kwambiri m'zaka zaposachedwa.
2. Mfundo yogwira ntchito ya DC motors
Magalimoto amagetsi a DC ndi mtundu wa zida zomwe zimasinthira mphamvu zamagetsi kukhala mphamvu zamakina. Mphamvu yolunjika ikadutsa pamakhota a armature, mafunde a armature amazungulira pansi pa mphamvu ya maginito, ndipo mawaya omwe ali m'mphepete mwa armature amapangitsa kuti mphamvu ya maginito isinthe, zomwe zimapangitsa kuti mafunde amphamvu asinthe. zomwe zimapangitsa kuti maginito azitha kuzungulira m'manja. Kumbali imodzi, mphamvu ya maginito yozungulira imayendetsa chombo kuti chizungulire, ndipo kumbali ina, imalumikizana ndi mphamvu ya maginito yokhazikika kuti injiniyo izigwira ntchito bwino.
Pali njira ziwiri zowongolera ma motors a DC: kuwongolera ma voltage mwachindunji ndi kuwongolera kwa PWM. Kuwongolera kwamagetsi kwachindunji sikungatheke ndipo ndikoyenera pazochitika zomwe liwiro silisintha kwambiri; Kuwongolera kwa PWM kumatha kukwaniritsa bwino pakati pakuchita bwino kwambiri komanso kuchuluka kwa katundu. Chifukwa chake, ma mota onyamula magetsi a njanji nthawi zambiri amayendetsedwa ndi kuwongolera kwa PWM kuti awonetsetse kuti pali kusiyana pakati pa magwiridwe antchito ndi magwiridwe antchito.
3. Ntchito Mfundo ya AC Motor
AC motor ndi chipangizo choyendetsedwa ndi ma alternating current. Malinga ndi mawonekedwe a magawo atatu osinthasintha, gawo lapakati lozungulira (ie, rotor) la mota ya AC lidzayendetsedwa ndi mphamvu zamagetsi zodziyimira pawokha. Pamene mphamvu yamagetsi ikuyesera kukoka rotor, imapanga rotor panopa mumayendedwe a stator, zomwe zimapangitsa kuti gawo la galimoto likhale losiyana kwambiri, potero limapanga torque yaikulu ndikuyendetsa ngolo yoyendetsa njanji yamagetsi.
Ma motors a AC amatha kuwongoleredwa ndi ma vector control ndi induction control. Kuwongolera kwa Vector kumatha kukwaniritsa ma torque angapo ndikuwongolera mathamangitsidwe ndi katundu wagalimoto; kuwongolera kwa induction ndikoyenera pamayendedwe otsika, komanso kumakhala ndi mawonekedwe aphokoso lotsika. M'magalimoto otengera magetsi a njanji, chifukwa cha kufunikira kwa katundu wambiri, mphamvu zamagetsi, phokoso lochepa ndi zina, kuwongolera vekitala nthawi zambiri kumagwiritsidwa ntchito kuti akwaniritse ntchito yabwino komanso yodalirika.
Nthawi yotumiza: May-30-2024
