124

iindaba

Imo yesiqhelo yangoku: Ipere yemiqondiso (okanye ingxolo) enobukhulu obufanayo kunye nesalathiso kwiperi yemigca yophawu olwahlukileyo.Kwisekethe. Ngokuqhelekileyo, ingxolo yomhlaba ihanjiswa ngokubanzi ngendlela eqhelekileyo yangoku, ngoko ikwabizwa ngokuba yingxolo yemo yesiqhelo.

 

Zininzi iindlela zokucinezela ingxolo yendlela eqhelekileyo.Ukongeza ekunciphiseni ingxolo yendlela eqhelekileyo evela kumthombo, eyona ndlela ixhaphakileyo yokucinezela ingxolo yendlela eqhelekileyo kukusebenzisa ii-inductors zemowudi eqhelekileyo ukuhluza ingxolo yendlela eqhelekileyo, oko kukuthi, ukuvala ingxolo yendlela eqhelekileyo esuka kwithagethi. isiphaluka..Oko kukuthi, isixhobo sokuminxeka esiqhelekileyo sidityaniswe kuthotho kumgca.Injongo yale nto kukunyusa i-impedance ye-common-mode loop ukwenzela ukuba i-common-mode current ichithwa kwaye ivalwe (ibonakaliswe) yi-coke, ngaloo ndlela icinezela ingxolo yendlela eqhelekileyo kumgca.

v2-5e161acb34988d4c7cf49671832c472a_r

 

 
Imigaqo yeNdlela eQhelekileyo yokuchoks okanye i-Inductors

Ukuba ipere yeekhoyili kwicala elifanayo linxeba kwindandatho yamagnetic eyenziwe yinto ethile yamagnetic, xa i-alternating current idlula, i-flux magnetic yenziwa kwiikhoyili ngenxa yokungeniswa kwe-electromagnetic.Kwimiqondiso yemowudi yokwahlula, ii-fluxes ezenziweyo zemagneti zinobukhulu obufanayo kwaye zichasene kwicala, kwaye ziyacima enye nenye ngaphandle, ngoko ke indlela yokwahlula i-impedance eveliswa yi-ring magnetic incinci kakhulu;ngelixa imiqondiso yemowudi eqhelekileyo, ubukhulu kunye nolwalathiso lwee-fluxes eziveliswayo zemagneti ziyafana, kwaye ezimbini zibekwe phezulu kwenye.Umsesane wamagnetic unendlela enkulu yokuthintela.Eli nqaku lenza i-inductor yemowudi eqhelekileyo inempembelelo encinci kwisignali yemowudi yokwahlula kwaye inomsebenzi olungileyo wokucoca ingxolo yemowudi eqhelekileyo.
(1) Indlela yokwahlula yangoku idlula kwikhoyili yemowudi eqhelekileyo, isalathiso semigca yemagnethi ichasene, kwaye indawo enemagnethi eyenziwe buthathaka.Inokubonwa ukusuka kwicala lemigca yamagnetic kulo mfanekiso ulandelayo - utolo oluqinileyo lubonisa isalathiso sangoku, kwaye umgca onamachaphaza ubonisa indlela yentsimi yamagnetic.

v2-dfe1414f223cae03f8dbf0ef548fd8fc_1440w

v2-7264f1fca373437d023f1aa4dc042f8f_1440w
(2) Imowudi eqhelekileyo yangoku idlula kwikhoyili yemowudi eqhelekileyo, isalathiso semigca yemagnethi iyafana, kwaye intsimi yamagnetic eyomeleziweyo iqiniswa.Inokubonwa ukusuka kwicala lemigca yamagnetic kumfanekiso olandelayo - utolo oluqinileyo lubonisa isalathiso sangoku, kwaye umgca onamachaphaza ubonisa indlela yombane.

v2-956428b6428af65b4d9d08cba72fece9_1440w

v2-7a4b5de822ea45b4c42b8427476a5519_1440w

I-inductance yekhoyili yemowudi eqhelekileyo ikwabizwa ngokuba yi-self-inductance coefficient.Siyazi ukuba i-inductance kukukwazi ukuvelisa intsimi yamagnetic.Kwi-coil yendlela eqhelekileyo okanye i-inductance ye-common mode, xa imowudi eqhelekileyo yangoku ihamba nge-coil, ekubeni isalathiso semigca yamagnetic iyafana, ukuvuza ukuvuza akuqwalaselwa.Kwimeko ye-, i-magnetic flux ibekwe phezulu, kwaye umgaqo-siseko uhambelana.Imigca yemagnethi eveliswa yikhoyili ebomvu kumfanekiso ongezantsi idlula kwikhoyili eluhlaza okwesibhakabhaka, kwaye imigca yemagnethi eveliswa yicoil eluhlaza nayo idlula kwikhoyili ebomvu kwaye ikhuthazane.

v2-f7a0cfad37dddb5cfcaf04e7971cee62_1440w

Ukususela kumbono we-inductance, i-inductance iphinda iphindwe kabini, kwaye i-flux linkage imele i-total magnetic flux.Kwi-inductors yemowudi eqhelekileyo, xa i-flux magnetic iphindwe kabini kwi-original, inani lokujika alitshintshi, kwaye langoku alitshintshi, ngoko kuthetha ukuba Njengoko i-inductance inyuswa ngamaxesha angama-2, ithetha ukuba ukulingana kwamagnetic permeability. iphindwe kabini.

v2-ce46cc0706826884f18bc9cd90c494ad_1440w

v2-68cea97706ecffb998096fd3aead4768_1440w

Kutheni le nto imagnethi elinganayo ingena iphindwe kabini?Ukususela kule fomyula ilandelayo ye-inductance, ekubeni inani lokujika N alitshintshi, i-circuit magnetic kunye ne-cross-sectional area ye-magnetic core inqunywe ngubukhulu bomzimba we-core magnetic, ngoko ayitshintshi, kuphela. into yimagnetic permeability.u uphindwe kabini, ngoko ke ukuguquguquka kwamagnetic kunokuveliswa

v2-0ffb609a41d37983cf792a5ddd030dc5_1440w

Ke ngoko, xa imowudi eqhelekileyo yangoku idlula, i-inductance yemowudi eqhelekileyo isebenza kwimowudi ye-mutual inductance.Ngaphantsi kwesenzo se-inductance yokubambisana, i-inductance elinganayo inyuswe ngeendleko, ngoko i-inductance yendlela eqhelekileyo iya kuphinda iphindwe kabini, ngoko ibe nefuthe elihle kwisignali yendlela eqhelekileyo.Umphumo wokucoca ukuthintela isignali yemowudi eqhelekileyo kunye ne-impedance enkulu kwaye uyithintele ukuba idlule kwi-inductor yemodi eqhelekileyo, oko kukuthi, ukukhusela isignali ukuba idluliselwe kwinqanaba elilandelayo lesekethe.Oku kulandelayo yi-inductive reactance ZL eyenziwa yi-inductor.

v2-2ce18decc869b99e020455d5f2a9d8cf_1440w

Ukuqonda i-inductance ye-inductors yemowudi eqhelekileyo kwimo yemowudi eqhelekileyo, eyona nto iphambili kukuqonda inductance efanayo, onke amacandelo omagnetic, nokuba yintoni na igama, okoko nje ubamba ifom yotshintsho yemagnethi kwaye ubone ubume bemagnethi. intsimi yamagnetic itshintsha nge-phenomenon, kuya kuba lula ukuyiqonda, kwaye ke kufuneka sisoloko sibamba umgca wemagnethi, eyona ndlela i-intuitive yokuqonda kwethu intsimi yamagnetic.Khawucinge ukuba kungakhathaliseki ukuba ingcamango yegama elifanayo okanye igama elihlukeneyo okanye i-inductance mutual okanye i-magnetic field phenomenon, sihlala sidonsa umgca wemagnethi ukuze sibazi - inkosi "intonga yamagnetic" echazwe ngaphambili.Indlela yokucoca".


Ixesha lokuposa: Mar-16-2022