Izigaba ezintathu ze-asynchronous motorsyilokho esivame ukukubiza ngokuthi ama-AC motors
Imfuneko yokuzungezisa ama-motor asynchronous ezigaba ezintathu ukuba nenkundla kazibuthe ezungezayo. I-stator windings yezigaba ezintathu zamamotho asynchronous asetshenziselwa ukukhiqiza izinkambu kazibuthe ezijikelezayo. Njengoba sonke sazi, i-voltage yesigaba-kuya-isigaba phakathi kwezigaba ihluka ngamadigri ayi-120, futhi izikhombisi-ndlela zendawo zama-windings amathathu we-stator ye-asynchronous motor yezigaba ezintathu nazo zihluke ngama-degree angu-120. Ngale ndlela, lapho i-stator winding idlula, lapho ukunikezwa kwamandla kwezigaba ezintathu kuvuliwe, i-stator winding ikhiqiza insimu yamagnetic ejikelezayo.
Inkambu kazibuthe ezungezayo izungeza kanye esikhaleni lapho okwamanje kushintsha kanye ngomjikelezo ngamunye. Ngamanye amazwi, isivinini sokuzungeza senkambu kazibuthe ezungezayo sivunyelaniswa noshintsho lwamanje. Ijubane lokuzungeza lensimu kazibuthe ejikelezayo limi kanje. n=60f/P Lapha, f imvamisa yokuphakelwa kwamandla, u-P inombolo yamapheya e-pole yenkundla kazibuthe, futhi iyunithi ka-n yinombolo yokuzungezisa ngomzuzu. Ngokwale fomula, ijubane lemoto lihlobene nemvamisa yezigxobo kazibuthe kanye nemvamisa yokunikezwa kwamandla.
Ukusonteka kwesigaba esisodwaI-asynchronous motor enezigaba ezintathuingu-1, futhi i-rotor isesimweni se-sedan. Lapho i-curse ye-sinusoidal yesigaba esisodwa idlula ekujikeni kwe-stator, injini ikhiqiza insimu kazibuthe ye-AC. Amandla nokuqondisa kwalo mkhakha kazibuthe kushintsha ngokuhamba kwesikhathi, kodwa ngenxa yokuthi kugxilwe emkhathini, le nkundla kazibuthe ibizwa nangokuthi i-interactive pulsating magnetic field. Le nkambu kazibuthe ethintanayo ingaboliswa ibe izingxenyekazi kazibuthe ezimbili ezizungezayo ezinejubane elifanayo neziqondiso zokuzungeza eziphambene. Lapho i-rotor imile, lezi zindawo ezimbili ezijikelezayo zikhiqiza ama-torque amabili ku-rotor, ayisicaba futhi aphikisana nendawo, ngakho-ke i-torque ingu-0 lapho ikhiwa, ngakho-ke i-motor ayikwazi ukujikeleza.
Lapho kusetshenziswa amandla angaphandle ukuzungezisaizigaba ezintathu induction ac motorngendlela ethize (ukuzungezisa ngokwewashi, njll.), ukunyakaza kwensimu kazibuthe esikayo phakathi kwendawo kazibuthe ezungezayo kanye nenkundla kazibuthe ezungezayo ngendlela yewashi iba kuncane. Ukunyakaza kwemigqa kazibuthe yamandla esika phakathi kwendawo kazibuthe ezungezayo kanye nendawo kazibuthe ezungeza ngokuphambene newashi iba mkhulu. Ngale ndlela, ibhalansi iyawa, i-torque ye-electromagnetic ephelele eyenziwe yi-rotor ngeke ibe yi-zero, futhi i-rotor izojikeleza ekuqondeni kwe-propulsion.