Hloov Cov Khoom Siv Hluav Taws Xob Tsis Txaus Siab Txoj Cai
Tsim kom muaj kev cuam tshuam ntawm electromagnetic cuam tshuam ntawm peb lub ntsiab lus yog lub hauv paus ntawm kev cuam tshuam, propagation pathway thiab cuam tshuam cov cuab yeej, yog li ntawd, qhov inhibition ntawm electromagnetic cuam tshuam yuav tsum pib los ntawm peb yam no. Ua ntej, qhov chaw ntawm kev cuam tshuam yuav tsum raug txwv, ncaj qha tshem tawm qhov ua rau cuam tshuam; thib ob, kev sib txuas thiab hluav taws xob ntawm qhov chaw cuam tshuam thiab cuam tshuam cov cuab yeej yuav tsum raug tshem tawm, txiav tawm txoj kev nthuav tawm ntawm electromagnetic cuam tshuam; Thib peb, kev tiv thaiv ntawm cov cuab yeej cuam tshuam yuav tsum tau txhim kho, thiab nws qhov kev nkag siab ntawm lub suab nrov yuav tsum raug txo. Lub ntsiab lus thib peb tsis yog qhov ntawm daim ntawv no.
Kev siv lub zog hloov kho (PFC) thev naus laus zis thiab cov tshuab hluav taws xob hloov pauv hloov pauv tau zoo tuaj yeem txo cov suab nrov amplitude.
(1) Kev ntsuas ntawm lub voj voog
Qhov laj thawj tseem ceeb ntawm kev cuam tshuam ntawm electromagnetic cuam tshuam hauv kev hloov khoom siv hluav taws xob yog qhov hloov pauv ntawm qhov hluav taws xob thiab tam sim no, yog li nws yuav tsum tau txo qis tus nqi ntawm kev hloov pauv ntawm qhov hluav taws xob thiab tam sim no hauv Circuit Court (du / dt, di / dt) kom ntau li ntau tau. Kev siv cov hluav taws xob nqus hluav taws xob kuj yog ib txoj hauv kev zoo los tiv thaiv electromagnetic cuam tshuam. Lub hauv paus ntsiab lus ntawm absorption circuits yog muab ib tug bypass rau lub switching thaum lub switching tawm, absorbing lub zog accumulated nyob rau hauv parasitic tis tsis, yog li suppressing cuam tshuam. Feem ntau siv cov hluav taws xob nqus hluav taws xob yog RC, RCD, LC passive absorption network thiab active absorption network.
Kev lim dej yog ib txoj hauv kev zoo los cuam tshuam kev cuam tshuam. Piv txwv li, kev sib txuas cov lim dej ntawm cov khoom siv hluav taws xob tuaj yeem cuam tshuam cov kev cuam tshuam los ntawm kev hloov hluav taws xob thiab rov qab mus rau daim phiaj, nrog rau lub suab nrov ntawm daim phiaj ntawm lub hwj chim mov nws tus kheej. Hauv cov lim lim, ntau cov khoom siv lim tshwj xeeb kuj tseem siv, xws li los ntawm cov tub ntxhais capacitors, peb lub davhlau ya nyob twg capacitors, thiab ferrite toroids, thiab lawv tuaj yeem txhim kho cov yam ntxwv ntawm lub voj voog. Tsim kom raug lossis xaiv cov lim dej kom raug, thiab txhim kho cov lim dej kom raug, yog ib feem tseem ceeb ntawm kev siv tshuab los tiv thaiv kev cuam tshuam.
