I-AC Electric motor

1, AC motor asynchronous

I-AC asynchronous motor iyinjini ehamba phambili ye-AC voltage, esetshenziswa kakhulu kubalandeli bakagesi, iziqandisi, imishini yokuwasha, ama-air conditioner, okomisa izinwele, abacoci be-vacuum, ama-hoods, iziwashi, imishini yokuthunga kagesi, imishini yokucubungula ukudla nezinye izinto zasendlini, njengoba kanye namathuluzi kagesi ahlukahlukene kanye nempahla kagesi emincane.

I-AC asynchronous motor ihlukaniswe nge-induction motor kanye ne-AC commutator motor.I-induction motor ihlukaniswe nge-asynchronous motor yesigaba esisodwa, i-AC / DC motor kanye ne-repulsion motor.

Ijubane le-motor (isivinini se-rotor) lingaphansi kwejubane lensimu yamagnetic ejikelezayo, ngakho-ke kubizwa nge-asynchronous motor.Ngokuyisisekelo iyafana ne-induction motor.S = (ns-n) / NS.S izinga lokushelela,

I-NS yisivinini sikazibuthe futhi uN isivinini se-rotor.

Isimiso esiyisisekelo:

1. Lapho i-asynchronous motor yezigaba ezintathu ixhunywe kugesi we-AC wezigaba ezintathu, i-stator winding yezigaba ezintathu igeleza ngamandla e-magnetomotive ezigaba ezintathu (i-stator rotating magnetomotive force) ekhiqizwa amandla okulinganisa ezigaba ezintathu futhi akhiqize. inkambu kazibuthe ejikelezayo.

2. Inkambu kazibuthe ejikelezayo inokunyakaza kokusika okuhlobene ne-rotor conductor.Ngokomgomo wokungeniswa kwe-electromagnetic, i-rotor conductor ikhiqiza amandla e-electromotive eyengelwe namandla amanje.

3. Ngokomthetho wamandla kazibuthe kagesi, i-rotor conductor yamanje ithintwa amandla kazibuthe endaweni kazibuthe ukuze yakhe itorque kagesi futhi iqhube i-rotor ukuthi ijikeleze.Uma kunomthwalo wemishini ku-motor shaft, izokhipha amandla emishini ngaphandle.

I-Asynchronous motor iwuhlobo lwenjini ye-AC, futhi isilinganiso sejubane ngaphansi komthwalo kuya kufrikhwensi yegridi yamandla axhunyiwe ayishintshile.Iphinde ishintshe nosayizi womthwalo.Uma i-torque yokulayisha inkulu, ijubane le-rotor liyancipha.I-Asynchronous motor ifaka i-induction motor, i-induction motor ephindwe kabili kanye ne-AC commutator motor.I-induction motor iyona esetshenziswa kakhulu.Ngokujwayelekile ingabizwa nge-asynchronous motor ngaphandle kokudala ukungaqondi noma ukudideka.

I-stator winding ye-asynchronous motor evamile ixhunywe kugridi yamandla kagesi we-AC, futhi i-rotor winding ayidingi ukuxhunywa kweminye imithombo yamandla.Ngakho-ke, inezinzuzo zesakhiwo esilula, ukukhiqiza okulula, ukusetshenziswa nokugcinwa, ukusebenza okuthembekile, izinga eliphansi kanye nezindleko eziphansi.I-Asynchronous motor inezinga eliphezulu lokusebenza nezici ezinhle zokusebenza.Ihamba ngesivinini esingaguquki ukusuka ekungalayishweni kuye kogcwele, okungahlangabezana nezidingo zokudlulisela zemishini eminingi yokukhiqiza yezimboni nezolimo.Ama-asynchronous motors nawo alula ukukhiqiza izinhlobo ezahlukahlukene zokuvikela ukuze ahlangabezane nezidingo zezimo zemvelo ezahlukahlukene.Uma i-asynchronous motor isebenza, amandla e-excitation asebenzayo kufanele amuncwe kugridi yamandla ukuze konakaliswe isici samandla segridi yamandla.Ngakho-ke, ama-synchronous motors avame ukusetshenziselwa ukushayela imishini yamandla aphezulu kanye nesivinini esiphansi njengezigayo zebhola kanye nama-compressor.Ngenxa yokuthi isivinini se-asynchronous motor sinobudlelwano obuthile obushelelayo nesivinini sayo sensimu kazibuthe ezungezayo, ukusebenza kwayo kokulawula isivinini kubi (ngaphandle kwe-AC commutator motor).I-DC motor iyonga kakhulu futhi ilungele imishini yokuthutha, isigayo esiginqikayo, ithuluzi lomshini omkhulu, ukuphrinta nokudaya kanye nemishini yokwenza amaphepha edinga uhla lokulawula isivinini olubanzi nobushelelezi.Kodwa-ke, ngokuthuthukiswa kwemishini kagesi enamandla amakhulu kanye nohlelo lokulawula isivinini se-AC, ukusebenza kokulawulwa kwesivinini kanye nomnotho wemoto ehambisanayo elungele ukulawulwa kwejubane elibanzi kuqhathaniswa nemoto ye-DC.


Isikhathi sokuthumela: Dec-27-2021