Ngokuthuthuka okusheshayo kobuchwepheshe bamandla kagesi kanye namadivayisi amasha we-semiconductor, ubuchwepheshe bokulawula isivinini se-AC buye bathuthukiswa futhi bathuthukiswa ngokuqhubekayo. Isiguquli semvamisa esithuthukiswa kancane kancane sisetshenziswe kabanzi kumamotho e-AC anesimo saso esihle sokuphuma kwegagasi kanye nesilinganiso esihle kakhulu sentengo yokusebenza. Isibonelo: izinjini ezinkulu ezisetshenziselwa ukugingqa insimbi ezigayweni zensimbi, ama-roller motors amancane naphakathi nendawo, ama-traction motors kaloliwe kanye nezokuthutha zesitimela zasemadolobheni, ama-lifti motors, ama-motor okuphakamisa imishini yokuphakamisa izitsha, ama-motor amaphampu nabalandeli bamanzi, ama-compressor, ama-motor ezinto zikagesi zasendlini, njll., asebenzise ngokulandelana ukuguquguquka kwezinjini ze-AC kanye nokulawula okuhle kwe-AC.
Ubukhulu be-axial kanye ne-radial benjini ngokuyisisekelo bunquma ukubukeka kwayo sekukonke. Amamotho azacile namamotho amafushane nanamafutha angase abe nobunzima obuthile enqubweni yokukhiqiza, futhi iphutha elihlobene lingase libe nomthelela omkhulu ekusebenzeni kwemoto. Kumamotho ashintshashintshayo, i-resonance factor nayo kufanele icatshangelwe, ethinta ukusebenza kwemoto.
Uma kuqhathaniswa nama-motor frequency motors, ama-motor frequency motors kufanele abe nekhwalithi ephezulu yebhalansi ye-rotor, ukunemba okuphezulu komshini wezingxenye zemishini, nama-bearings akhethekile anokunemba okuphezulu ukuze kuqinisekiswe ukuthi ukusebenza kokudlidliza ngaphansi kokusebenza kwesivinini esikhulu kuhlangabezana nezidingo. Kuze kube manje, ubude be-axial be-axial frequency motor kufanele ilawulwe ukuze kuvinjwe izici ezihlosiwe zokudlidliza kwesivinini esikhulu okubangelwa usayizi we-axial omude kakhulu. Amakhasimende asebenzise amamotho ashintshashintshayo angase azi ukuthi ezimweni eziningi, ukudlidliza okuqinile kuzokwenzeka kubhendi ethile yefrikhwensi, ikakhulukazi uma ububanzi bokuguquguquka kwefrikhwensi bubanzi. Yilokhu esikubiza ngokuthi i-resonance. I-resonance ibizwa nangokuthi "resonance". Kuyinto evamile ukuthi i-amplitude yesistimu ye-oscillation ikhula kakhulu lapho imvamisa yamandla angaphandle ifana noma isondelene kakhulu nemvamisa ye-oscillation yemvelo yesistimu ngaphansi kwesenzo samandla angaphandle ngezikhathi ezithile. I-frequency lapho i-resonance ivela ibizwa ngokuthi "i-resonance frequency".
Uma kucatshangelwa iqiniso lokuthi amamotho amafrikhwensi ahlukahlukene ane-resonance kanye nohlu olubanzi lokulawulwa kwesivinini, idizayini yenkundla kazibuthe yamamotho amafrikhwensi aguquguqukayo kufanele ithuthukiswe ngokwengeziwe ukuze kucindezelwe amasimu kazibuthe e-harmonic e-oda ephezulu futhi kwandiswe izidingo ze-broadband, ukonga amandla nomsindo ophansi. Ikakhulukazi, ukukhethwa kweziguquli zemvamisa kufanele kuhlanganiswe nezimo zangempela zokusebenza futhi kuhambisane neziguquli ezifanele zekhwalithi ephezulu.
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