I-transformer enezigaba ezintathu iqukethe amawindi amathathu azimele, ngalinye elidinga ukuklanywa ngokunembile futhi lakhiwe ukuze kuqinisekiswe ukusebenza kahle futhi okuzinzile ngaphansi kokuphakelwa kukagesi kwezigaba ezintathu. Phakathi naleso sikhathi, ukuklanywa kwesistimu yesifunda samagnetic nakho kuyinselele enkulu, edinga ukucatshangelwa kokuxhumana phakathi kwamasekhethi kazibuthe wesigaba ngasinye ukuze kuqinisekiswe ukuthi i-transformer isengakwazi ukusebenza ngokujwayelekile ngaphansi kwezimo zomthwalo ongalingani wezigaba ezintathu. Ukukhethwa kwezinto zokwakha kubalulekile ekusebenzeni kwama-transformer ezigaba ezintathu ohlelweni lokukhiqiza. Isibonelo, nakuba izinto ze-amorphous alloy zinezinzuzo ezifana nokulahlekelwa okuphansi kanye nokumelana okuphezulu, ukushuba kwazo okuncanyana, ukuqina okuphezulu, kanye nobuthakathaka nakho kuletha ubunzima ekwakhiweni nasekukhiqizeni ama-transformer. Ngakho-ke, indlela yokukhetha izinto ezifanele kanye nokwandisa ukusebenza kwama-transformer ngenkathi uqinisekisa ukuthi ukusebenza kwabo kungenye yezinkinga zobuchwepheshe.

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Ama-transformer ezigaba ezintathu ayizingxenye ezibalulekile ezinhlelweni zamandla kagesi, asebenzela inhlobonhlobo yezinhlelo zokusebenza kuzo zonke izimboni. Kusukela ekuphehlisweni kukagesi kuya ekusabalaliseni, lawa ma-transformer adlala indima ebalulekile ekuqinisekiseni ukuphakelwa kukagesi okusebenzayo nokuthembekile. Ukuqonda ububanzi bokusetshenziswa kwama-transformer ezigaba ezintathu kubalulekile konjiniyela, ochwepheshe, kanye nochwepheshe abasebenza emkhakheni wobunjiniyela bakagesi. Kule bhulogi, sizohlola ukusetshenziswa okuhlukahlukene kwama-transformer ezigaba ezintathu kanye nokubaluleka kwawo emikhakheni ehlukene.

Umgomo we-early-phase isolation transformer ngokuyisisekelo wamukela umgomo wokungeniswa kwe-electromagnetic. Kuphephile ukusebenzisa isiguquli sokuhlukanisa esinezigaba ezintathu, esivame ukusetshenziswa njengendawo yokugcina amandla kagesi. I-isolation transformer ivamise ukuba yi-1:1 transformer, kodwa inezici ezihlukile. Ama-transformer okuhlukanisa izigaba ezintathu asetshenziselwa ukuguqula i-voltage, ukukhanyisa, ukunikezwa kwamandla kagesi kanye nokulungiswa kwamandla kagesi, asetshenziswa kabanzi kumabhizinisi ezimboni nezimayini, izitshalo zamandla, izikhumulo zezindiza, izakhiwo eziphakeme kakhulu, imigwaqo engaphansi komhlaba nezinye izindawo ezinezidingo zokuphepha eziphezulu zomlilo.