Kungani ama-transformer enama-iron cores?
Ama-Transformer ayingxenye ebalulekile yezinhlelo eziningi zikagesi, adlala indima ebalulekile ekwenyukeni nasekunciphiseni amandla kagesi ezisetshenziswa ezihlukahlukene. Enye yezingxenye ezibalulekile ze-transformer iwumgogodla wayo, owenziwe ngensimbi. Kodwa wake wazibuza ukuthi kungani ama-transformer ane-iron cores? Kulesi sihloko, sizohlola izizathu zalokhu kukhethwa kokuklama futhi sihlole izici eziyingqayizivele zensimbi ezenza kube kuhle ukusetshenziswa kuma-transformers.
Umnyombo we-transformer udlala indima ebalulekile ekusebenzeni kwayo. Inikeza indlela ephansi yokunqikaza yokuguquguquka kazibuthe okukhiqizwa ukujikajika okuyinhloko, okuvumela ukugeleza kuxhumane nokuphenduka kwesibili futhi kubangele i-voltage ngaphesheya kwayo. Ngamafuphi, ingqikithi inesibopho sokudala isekethe kazibuthe edlulisa kahle amandla ukusuka ekujikeni okuyinhloko kuya kumajika esibili.
I-iron iyinto ethandwayo yama-cores e-transformer ngenxa yezakhiwo zayo ezinhle kakhulu kazibuthe. Iyakwazi ukungena kalula, okusho ukuthi ingenziwa uzibuthe kalula futhi ingabi namagnethi, okuvumela ukudluliswa kwamandla okuphumelelayo. Ukwengeza, ama-iron cores abonisa ukulahlekelwa kwe-hysteresis ephansi, okubalulekile ekunciphiseni ukulahlekelwa kwamandla ku-transformer.
Ngaphezu kwalokho, ikhono lensimbi lokuqhuba i-flux kazibuthe ngokuphumelelayo liyenza ifaneleke kahle ukugxilisa ukugeleza ngaphakathi komgogodla, ngaleyo ndlela ikhulise ukusebenza kahle kwe-transformer. Ukusetshenziswa kwama-iron cores nakho kusiza ukunciphisa ubukhulu nesisindo se-transformer ngenkathi kugcinwa amandla aphezulu okudlulisa amandla.
Ngamafuphi, umsebenzi oyinhloko we-transformer core ukuhlinzeka ngendlela ye-flux magnetic, futhi insimbi iyinto ekhethwayo ngale njongo ngenxa yezakhiwo zayo ezinhle zamagnetic.
Izakhiwo eziningana zensimbi ziyenza ibe yinto ekahle yokusebenzisa ama-transformer cores. Enye yezinto ezibaluleke kakhulu ukuvuthwa kwayo okuphezulu, okuyivumela ukuthi ikwazi ukwenza uzibuthe kalula futhi ingasebenzi kahle phambi kwensimu kazibuthe. Lesi sakhiwo sibalulekile ekudluliselweni kwamandla ngendlela ephumelelayo ukusuka ekujikeni okuyinhloko kuya kumajika esibili.
Enye impahla ebalulekile yensimbi ukulahlekelwa kwayo okuphansi kwe-hysteresis. Ukulahlekelwa kwe-Hysteresis kubhekisela emandleni alahlekayo njengoba izizinda kazibuthe ngaphakathi komgogodla wensimbi ziqondana futhi ziqondaniswe kabusha ngokuphendula amandla ashintshayo adlula ku-transformer. Ngokusebenzisa insimbi enokulahlekelwa kwe-hysteresis ephansi, inani lamandla elichithwayo njengoba ukushisa liyancishiswa, okuholela ku-transformer esebenza kahle kakhulu.
Ukwengeza, i-iron ine-saturation flux density ephezulu, okusho ukuthi ingagcina inani elikhulu le-magnetic flux ngaphambi kokufinyelela ukugcwala. Lesi sakhiwo sivumela i-transformer ukuthi ibambe amazinga aphezulu wamanje ngaphandle kokuthi ingqikithi igcwale ngozibuthe, ngaleyo ndlela iqinisekise ukusebenza kahle kwe-transformer ngaphansi kwezimo ezihlukene zomthwalo.
Izakhiwo eziphakeme kazibuthe zensimbi, ezihambisana nobuningi bayo kanye nezindleko eziphansi, ziyenza ibe yinto efiseleka kakhulu kuma-transformer cores.
Yize insimbi iyiyona nto esetshenziswa kakhulu kuma-transformer cores, ezinye izinto zisetshenziselwe le njongo. Enye yezinto ezinjalo insimbi, ehlanganyela ezinye zezici ezinhle kazibuthe zensimbi. Kodwa-ke, insimbi inokumelana nogesi okuphakeme kune-iron, okungaholela ekulahlekelweni okukhulu kwamanje kwe-eddy kumongo. Ukwengeza, insimbi ibiza kakhulu kune-iron, okwenza ingabizi kakhulu ekukhiqizeni ama-transformer amakhulu.
Ama-alloys ensimbi e-amorphous athuthukisiwe njengenye indlela yensimbi yendabuko ngenxa yokulahlekelwa kwawo okuphansi kakhulu kwe-hysteresis. Lawa ma-alloys ahlanganisa izakhiwo ezingezona ikristalu ezibonisa ukulahlekelwa amandla okuncane uma zingaphansi kwezimo ezihlukene kazibuthe. Ngenkathi zinikeza amandla okusebenza okuthuthukisiwe, izindleko eziphakeme zokukhiqiza lawa ma-alloys zinciphise ukwamukelwa kwawo okusabalele ekukhiqizeni i-transformer.
Eminyakeni yamuva nje, kuye kwaba nesithakazelo esikhulayo ekusetshenzisweni kwama-ferrite cores kwezinye izinhlelo zokusebenza, ikakhulukazi kuma-high-frequency transformers. Ama-Ferrite cores akhiwe ngezinto zobumba ezinezici kazibuthe ezifanele ukusebenza kumaza aphakeme. Yize zingase zingasebenzi kahle njengama-iron cores kumafrikhwensi aphansi, ama-ferrite cores anikeza izinzuzo ngokuya ngosayizi nesisindo sezinhlelo zokusebenza ezithile zemvamisa ephezulu.
Ekugcineni, ukukhethwa kwezinto eziyinhloko kuncike ezidingweni ezithile ze-transformer, okuhlanganisa izici ezifana nemvamisa yokusebenza, izindleko, nokusebenza kahle.
Ukukhiqizwa kwama-iron cores ama-transformers kuhilela izinyathelo ezimbalwa ezibalulekile, kuqala ngokukhethwa kwensimbi ephezulu noma izinto zensimbi. Izinto ezikhethiwe zibe sezicutshungulwa ukuze zenze ama-laminations, okungamashidi amancane ensimbi ahlanganiswe ndawonye ukuze akhe umongo.
Ama-laminations ambozwe ngezinto ezivikelayo ukuze kuncishiswe ukulahleka kwamanje kwe-eddy futhi kunciphise imiphumela ye-hysteresis. Lokhu kufakwa kusiza futhi ukuvimbela ukwakheka kwama-short-circuits ngaphakathi komgogodla, ukuqinisekisa ukusebenza kahle kwe-transformer.
Uma ama-lamination eselungisiwe, ahlanganiswa esakhiweni esiwumgogodla, ngokuvamile ngendlela yomjikelezo kazibuthe ovaliwe ukuze kukhuliswe ukudluliswa kwe-flux kazibuthe. Umnyombo ungase uklanywe ngomumo nokucushwa okuhlukahlukene ukuze uvumelane nezinhlobo ezahlukene zama-transformer kanye nezidingo ezithile zohlelo lokusebenza.
Ngemuva kokuhlanganiswa, umgogodla uthola ukuhlolwa okuqinile ukuze kuqinisekiswe ukusebenza kwawo nokuthembeka. Lokhu kuhlanganisa ukuhlola ukunemba kobukhulu, izici kazibuthe, nobuqotho bokwehlukanisa. Noma yikuphi ukungezwani noma amaphutha kulungiswa ukuze kuhlangatshezwane nezindinganiso ezifunwayo ngaphambi kokuba umgogodla uhlanganiswe kumhlangano we-transformer.
Inqubo yokukhiqiza ama-iron cores iyisici esibalulekile sokukhiqizwa kwe-transformer, njengoba ikhwalithi nokusebenza komgogodla kuthinta ngokuqondile ukusebenza kahle okuphelele nokuthembeka kwe-transformer.
Sengiphetha, ukusetshenziswa kwama-iron cores kubalulekile ekusebenzeni kahle kwama-transformer. Izici eziyingqayizivele zikazibuthe zensimbi, okuhlanganisa ukungena okuphezulu, ukulahlekelwa kwe-hysteresis ephansi, kanye nokugcwala okuphezulu kwe-flux density, kuyenza ibe into ekahle yokugxilisa ukugeleza kazibuthe nokudlulisa amandla phakathi kwama-winding ayisisekelo nawesibili.
Nakuba ezinye izinto eziyisisekelo ezifana nensimbi, ingxubevange yensimbi e-amorphous, kanye ne-ferrite zinezinzuzo zazo, insimbi ihlala iyimpahla ekhethwa iningi lezinhlelo zokusebenza ze-transformer ngenxa yokuhlanganiswa kwayo okuhle kwezakhiwo kazibuthe, ukuphumelela kwezindleko, kanye nokuba nokwenzeka kokukhiqiza.
Njengoba isidingo samandla kagesi siqhubeka sikhula, ukuthuthukiswa okuqhubekayo kwezinto eziyinhloko ze-transformer kanye nezinqubo zokukhiqiza kuzodlala indima ebalulekile ekuthuthukiseni ukusebenza kahle nokusimama kwezinhlelo zamandla kagesi. Ngokuqhubeka kocwaningo kanye nokuqamba izinto ezintsha, ikusasa lobuchwepheshe be-transformer linesithembiso semiklamo ewumongo ethuthuke kakhulu futhi eyenziwe kahle ukuze kuzuze ukusetshenziswa kwamandla okuhlukahlukene.
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