"Pane imwe nguva kumashure, mumwe munhu akabvunza kana iyo magineti ine giredhi rekudzivirira tembiricha. Uye mumwe munhu akapindura seizvi:
'Temperature resistance giredhi ndeye insulating materials. Iyo magineti musimboti haitariswe sechinhu chinodzivirira, saka haina chaiyo tembiricha yekudzivirira giredhi. Asi ine yakakosha tembiricha-inoenderana parameter inonziCurie tembiricha.'
Nhasi ngatitaure nezve 'Curie tembiricha' yemagnetic core.
Iyo tembiricha yeCurie, inozivikanwawo seCurie point kana magnetic transition point, ndipo apo simba remagineti rechinhu chacho rinodonha kusvika 0 parinenge richipisa. Yakawanikwa neCuries mukupera kwezana ramakore rechi 19: paunopisa magineti kune imwe tembiricha, magineti ayo ekutanga anonyangarika.
Mune transformers (inductors), kanamagnetic core's tembiricha inodarika tembiricha yayo yeCurie, inogona kuita kuti inductance idonhe kusvika ku 0. Nepo zvigadzirwa zvakawanda zvinogona kuwanazve basa razvo mushure mekutonhora pasi, kune transformers (inductors) mukushanda, kuva ne zero inductance kuchaita kuti kukundikana uye kupera simba.
Saka pakugadzira uye kusarudzatransformers(inductors), zvakakosha kuti usiye imwe margin yekuchengetedza iyo magineti yepakati tembiricha pazasi peCurie point panguva yekushanda.
Iyo Curie tembiricha yesimba manganese-zinc ferrite inodarika 210°C. Mazhinji transformer (inductor) insulation zvinhu zvine tembiricha yakaderera pane iyi, saka panguva yekushanda, iyo magineti musimboti kazhinji haisvike tembiricha yakakwira kudaro. "
Kupisa kweCurie kwepamusoro-conductivity manganese-zinc ferrite inodarika 110°C. Mazhinji transformer (inductor) insulation zvinhu zvinogona kubata tembiricha yakakwira kupfuura iyi, uye tembiricha yetransformer (inductor) mushure mekushanda inogona kuenda pamusoro peizvi. Saka, isu tinofanirwa kunyatso kutarisisa magadzirirwo atinoita yakakwira-conductivity magineti cores kuti tive nechokwadi chekuti hainyanyi kupisa kana ichishandiswa.
Curie tembiricha ye nickel-zinc ferrite inodarika 100°C. Sezvakangoita neakakwira-conductivity ferrite, zvakanyanya kukosha kuve nechokwadi chekuti magineti musimboti haupise kupfuura tembiricha yeCurie kana shanduko (inductor) iri kushanda. Izvi zvakanyanya kukosha kune edu anowanzo shandiswa nickel-zinc zvigadzirwa, senge I-shaped inductors, tsvimbo-yakaita inductors, uye nickel-zinc toroidal inductors.
Iyo Curie tembiricha yealloy poda core inodarika 450 ℃, iyo yakakwira zvakanyanya. Muchiitiko ichi, isu tinofanirwa kungwarira zvakanyanya kuti zvimwe zvikamu zve transformer (inductor) zvinogona kubata kupisa.
Ichi chinyorwa chinobva paInternet uye ndechemunyori wacho wekutanga.
Nguva yekutumira: Aug-22-2024