Tus yam ntxwv tseem ceeb tsis sib xws ntawm kev coj ua

Tus yam ntxwv tseem ceeb tsis sib xws ntawm kev coj ua

1. Inductance L thiab raug

Qhov inductance L sawv cev qhov sib xws ntawm cov kauj nws tus kheej, thiab tsis muaj dab tsi ua rau qhov tam sim no. Ntxiv nrog rau qhov tshwj xeeb inductance coil (xim coded inductance), qhov inductance feem ntau tsis pom tshwj xeeb ntawm lub kauj, tab sis cim nrog lub npe tshwj xeeb. Qhov loj ntawm coil inductance feem ntau yog txiav txim siab los ntawm lub cheeb ntawm lub kauj, tus naj npawb ntawm lem thiab qhov muaj los yog tsis muaj ntawm cov tub ntxhais hlau. Lub hom phiaj ntawm cov kauj inductance yog txawv, qhov yuav tsum tau ua inductance kuj sib txawv. Piv txwv li, hauv qhov hluav taws xob ntau zaus, qhov inductance ntawm lub kauj yog feem ntau 0. 1 uH - 1 00Ho

Qhov tseeb ntawm qhov inductance, uas yog, qhov yuam kev ntawm qhov tseeb inductance thiab inductance uas yuav tsum tau, nyob ntawm daim ntawv thov. Cov kev xav tau ntawm oscillating kauj yog qhov siab siab, 0.2-0. 5%; cov tseev kom muaj ntawm npuaj txuas thiab qhov ntau cov hauv siab choke co yog tsawg, pub 10-1 5%. Rau qee kis uas muaj qhov ntsuas qhov tseem ceeb ntawm qhov yuav tsum tau, feem ntau tsuas yog kuaj tau nrog cov twj paj nruag tom qab winding, los ntawm kev kho kom deb li deb ntawm tig los ze rau ntawm ntug lossis qhov chaw ntawm lub ntsiab sib nqus hauv cov kauj.

2. Inductive XL

Qhov loj me ntawm qhov inductance coil thaiv AC tam sim no yog hu ua inductive reactance XL, thiab chav tsev yog ohm. Nws txoj kev sib raug zoo nrog inductance L thiab AC zaus f yog XL= 2 πfL

3. Yam zoo tshaj Q

Qhov zoo tshaj qhov cuam tshuam ntawm lub kauj

Kev ua tau zoo Q yog siv los qhia qhov loj me ntawm lub kauj, qhov siab-cov pa hluav taws xob feem ntau yog 50-300. Tus nqi Q ntawm cov kauj ntawm qhov sib hloov kho yog siab, thiab cov hluav taws xob resonance Circuit muaj li ntawm lub kauj thiab capacitor nrog Q siab tus nqi muaj cov yam ntxwv zoo dua qub; cov hluav taws xob resonance Circuit muaj li ntawm coil thiab capacitor nrog Q Q tus nqi tsis muaj qhov cuam tshuam pom tseeb. Rau txuas cov coils, cov tseev kom muaj yuav qis dua, tab sis tsis muaj qhov tseev kom muaj rau kev zawm siab zaus thiab tsawg zaus chokes. Qhov loj ntawm Q tus nqi cuam tshuam rau xaiv, kev ua haujlwm, lim cov yam ntxwv thiab zaus ntawm lub voj. Nws feem ntau xav tias Q tus nqi yog loj, tab sis nws tsis yog ib qho yooj yim ua haujlwm kom nce tus nqi Q ntawm lub kauj, yog li ntawd nws yuav tsum tau muab tso rau pem hauv ntej qhov tsim nyog ntawm Q tus nqi ntawm cov kauj raws li qhov tseeb siv caij nyoog.

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