Inductor coilsyog ib qho tseem ceeb ntawm cov khoom siv hluav taws xob hauv hluav taws xob, tab sis lawv cov teeb meem poob feem ntau puzzle designers. Kev nkag siab thiab daws cov kev poob no tuaj yeem tsis tsuas yog txhim kho kev ua haujlwm ntawm inductor coils tab sis kuj tseem txhim kho kev ua tau zoo tag nrho ntawm circuits. Kab lus no delves rau hauv qhov chaw ntawm inductor coil poob thiab qhia qee cov kev daws teeb meem zoo.
Coil Losses: Qhov cuam tshuam ntawm DCR thiab ACR
Inductor coil poob tuaj yeem muab faib ua cov kauj poob thiab cov tub ntxhais poob. Hauv coil poob, direct tam sim no tsis kam (DCR) thiab alternating tam sim no tsis kam (ACR) yog lub ntsiab yam tseem ceeb.
- Direct Current Resistance (DCR) Losses: DCR yog ze ze rau tag nrho qhov ntev thiab tuab ntawm cov coil hlau. Qhov ntev thiab thinner cov hlau, qhov siab dua qhov kev tiv thaiv thiab ntau dua qhov poob. Yog li ntawd, xaiv qhov tsim nyog ntev thiab tuab ntawm cov hlau yog qhov tseem ceeb rau kev txo DCR poob.
- Alternating Current Resistance (ACR) Losses: ACR poob yog tshwm sim los ntawm cov nyhuv ntawm daim tawv nqaij. Cov nyhuv ntawm daim tawv nqaij ua rau cov tam sim no tsis sib npaug ntawm tus neeg xyuas pib, tsom rau ntawm qhov chaw ntawm cov xaim, yog li txo qhov cuam tshuam zoo ntawm cov hlau thiab ua rau muaj kev tiv thaiv ntau zaus. Hauv kev tsim coil, kev saib xyuas tshwj xeeb yuav tsum tau them rau qhov cuam tshuam ntawm cov hluav taws xob ntau zaus, thiab cov khoom siv hlau thiab cov qauv tsim nyog yuav tsum raug xaiv kom txo qis ACR poob.
Core Losses: Ncua Zog Killers hauv Magnetic Fields
Cov kev poob qis feem ntau suav nrog hysteresis poob, eddy tam sim no poob, thiab seem poob.
- Hysteresis Losses: Hysteresis poob yog tshwm sim los ntawm kev tiv thaiv los ntawm cov hlau nplaum sib nqus thaum tig hauv cov hlau nplaum, tiv thaiv cov hlau nplaum los ntawm kev ua raws li cov kev hloov pauv hauv cov hlau nplaum, ua rau lub zog poob. Hysteresis poob yog cuam tshuam nrog lub voj hysteresis ntawm cov khoom tseem ceeb. Yog li, xaiv cov ntaub ntawv tseem ceeb nrog cov hysteresis me me tuaj yeem txo cov kev poob no zoo.
- Eddy Tam Sim No Losses: Cov hlau nplaum tsim los ntawm lub zog coil induces ncig tam sim no (eddy currents) nyob rau hauv cov tub ntxhais, uas ua kom muaj cua sov vim yog cov tub ntxhais tsis kam, ua rau lub zog poob. Txhawm rau txo qhov kev poob qis tam sim no, cov ntaub ntawv tseem ceeb muaj peev xwm xaiv tau, lossis cov txheej txheem laminated tuaj yeem siv los thaiv kev tsim cov eddy tam sim no.
- Kev poob qis: Cov no suav nrog lwm cov txheej txheem tsis tau teev tseg, feem ntau vim yog cov khoom siv tsis xws luag lossis lwm yam cuam tshuam rau microscopic. Txawm hais tias qhov tshwj xeeb ntawm cov kev poob no yog qhov nyuaj, xaiv cov ntaub ntawv zoo thiab kev ua kom zoo ntawm cov txheej txheem tsim khoom tuaj yeem txo cov kev poob rau qee qhov.
Cov tswv yim zoo los txo qhov kev poob ntawm inductor coil
Hauv kev siv tswv yim, txhawm rau txo qis inductor coil poob, cov neeg tsim qauv tuaj yeem siv cov tswv yim hauv qab no:
- Xaiv cov khoom siv coj los tsim nyog: Cov ntaub ntawv sib txawv ntawm cov khoom siv sib txawv muaj qhov sib txawv ntawm cov yam ntxwv thiab cov nyhuv ntawm daim tawv nqaij. Xaiv cov ntaub ntawv uas tsis tshua muaj kev tiv thaiv thiab tsim nyog rau cov ntawv thov muaj zog tuaj yeem txo qhov poob zoo.
- Optimize Coil Structure: Ib qho tsim nyog coil tsim, nrog rau txoj kev winding, tus naj npawb ntawm cov khaubncaws sab nraud povtseg, thiab qhov sib nrug, tuaj yeem cuam tshuam rau qhov poob. Kev ua kom zoo ntawm cov qauv tuaj yeem txo DCR thiab ACR poob.
- Siv cov khoom siv uas tsis tshua muaj qis: Xaiv cov ntaub ntawv tseem ceeb nrog me me hysteresis loops thiab siab resistivity pab txo hysteresis thiab eddy tam sim no poob.
Inductor coil poob tsis tsuas yog cuam tshuam rau lawv tus kheej kev ua haujlwm tau zoo tab sis kuj tseem muaj kev cuam tshuam loj rau kev ua haujlwm ntawm tag nrho cov kab hluav taws xob. Yog li ntawd, thaum tsim thiab siv inductor coils, nws yog ib qho tseem ceeb uas yuav tsum xav txog tag nrho thiab txo qhov kev poob no kom ntseeg tau tias kev ua haujlwm zoo thiab kev ntseeg siab ntawm lub voj voog.
Peb cia siab tias tsab xov xwm no yuav pab koj nkag siab txog cov txheej txheem ntawm inductor coil poob thiab muab qee qhov kev daws teeb meem. Yog tias koj muaj lus nug lossis xav tau kev taw qhia ntxiv, thov koj xav tiv taujtiv tauj peb.
Lub sij hawm xa tuaj: Plaub Hlis-01-2024