Cov khoom siv hluav taws xob hloov pauv: qhov tseem ceeb rau kev hloov pauv hluav taws xob zoo thiab txhim khu kev qha
Nyob rau hauv lub sijhawm niaj hnub no uas thev naus laus zis hloov pauv sai heev, qhov xav tau cov kev daws teeb meem hloov pauv hluav taws xob zoo thiab txhim khu kev qha yeej tsis tau muaj dua li no. Txij li cov khoom siv hluav taws xob rau cov neeg siv khoom mus rau cov ntawv thov kev lag luam, qhov xav tau cov khoom siv hluav taws xob me me, sib dua thiab txuag hluav taws xob yog qhov tsav tsheb txoj kev loj hlob sai ntawm cov thev naus laus zis hloov pauv hluav taws xob.
Lub hwj chim hloov pauv, tseem hu ua lub hwj chim hloov pauv hom (SMPS), yog lub hwj chim uas siv cov thev naus laus zis hloov pauv zaus siab kom hloov pauv lub zog hluav taws xob tau zoo. Tsis zoo li cov khoom siv hluav taws xob ib txwm muaj uas vam khom cov transformers loj thiab tshem tawm cov zog ntau dhau ua cua sov, cov khoom siv hluav taws xob hloov pauv muab cov kev daws teeb meem zoo dua thiab me me rau kev hloov pauv hluav taws xob thiab kev tswj hwm.
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm kev hloov cov khoom siv fais fab yog lawv qhov ua haujlwm tau zoo. Los ntawm kev tig lub zog hluav taws xob sai sai rau thiab tawm ntawm qhov zaus siab, cov khoom siv fais fab no tuaj yeem ua tiav qib kev ua haujlwm tau zoo txog li 90%, txo qis kev pov tseg hluav taws xob thiab cov nqi khiav lag luam. Qhov no ua rau lawv zoo tagnrho rau cov ntawv thov uas kev siv hluav taws xob zoo yog qhov tseem ceeb, xws li cov khoom siv roj teeb, cov tshuab hluav taws xob rov ua dua tshiab thiab cov tsheb fais fab.
Lwm qhov zoo tseem ceeb ntawm kev hloov pauv fais fab mov yog lawv lub peev xwm los tswj ntau yam voltages thiab frequencies, ua rau lawv haum rau kev siv hauv ntau lub lag luam thoob ntiaj teb. Qhov kev ywj pheej no ua rau cov chaw tsim khoom tsim cov khoom siv fais fab mov thoob ntiaj teb uas tuaj yeem ua haujlwm ntawm ntau lub zog fais fab thoob ntiaj teb, ua kom cov txheej txheem tsim khoom yooj yim dua thiab txo qhov xav tau ntau yam khoom sib txawv.
Cov khoom siv fais fab hloov pauv kuj muaj lub zog ceev ceev zoo dua, ua rau cov qauv me dua thiab sib dua piv rau cov khoom siv fais fab linear ib txwm muaj. Qhov no yog qhov zoo tshwj xeeb hauv cov ntawv thov uas muaj qhov chaw txwv xws li cov khoom siv hluav taws xob nqa tau, cov khoom siv sib txuas lus thiab cov tshuab tswj kev lag luam. Qhov loj me me thiab kev ua haujlwm zoo ntawm cov khoom siv fais fab hloov pauv ua rau lawv yog qhov kev xaiv zoo rau cov qauv siv hluav taws xob niaj hnub, ua rau muaj kev tsim cov khoom zoo nkauj thiab txuag hluav taws xob.
Kev ntseeg tau yog lwm yam tseem ceeb uas ua rau muaj kev siv cov khoom siv fais fab hloov pauv dav dav. Cov khoom siv fais fab no muaj cov yam ntxwv tswj thiab tiv thaiv siab heev uas muab kev ua tau zoo dua thiab ruaj khov, ua rau lawv zoo tagnrho rau kev siv hauv kev lag luam thiab kev lag luam. Kev siv cov khoom siv semiconductor niaj hnub thiab cov txheej txheem tswj siab heev ua rau kev ntseeg tau thiab lub neej ua haujlwm ntawm cov khoom siv fais fab hloov pauv zoo dua, ua kom muaj kev xa hluav taws xob ruaj khov thiab sib xws hauv ntau yam kev ua haujlwm.
Raws li qhov kev thov rau cov kev daws teeb meem fais fab uas siv hluav taws xob tau zoo thiab txhim khu kev qha txuas ntxiv mus, kev txhim kho hauv kev siv tshuab hloov pauv fais fab yuav ua lub luag haujlwm tseem ceeb hauv kev tsim kho yav tom ntej ntawm cov khoom siv hluav taws xob. Raws li kev siv tshuab semiconductor, kev siv tshuab tswj digital thiab kev tswj hwm thermal txuas ntxiv mus, cov khoom siv fais fab hloov pauv yuav ua haujlwm tau zoo dua, me me thiab pheej yig dua hauv xyoo tom ntej.
Hauv ntej, kev siv hluav taws xob hloov pauv yog ib qho thev naus laus zis tseem ceeb los ua kom muaj kev hloov pauv hluav taws xob zoo thiab txhim khu kev qha hauv ntau yam kev siv. Lawv qhov kev ua haujlwm zoo, kev ywj pheej, kev me me thiab kev ntseeg siab ua rau lawv yog qhov kev xaiv tseem ceeb rau cov qauv siv hluav taws xob niaj hnub, tsav kev tsim kho tshiab thiab txhawb kev tsim cov khoom txuag hluav taws xob. Raws li qhov kev thov rau cov kev daws teeb meem txuag hluav taws xob txuas ntxiv loj hlob, cov khoom siv hluav taws xob hloov pauv yuav txuas ntxiv mus ua tus thawj coj ntawm kev siv hluav taws xob hloov pauv, muab zog rau tiam tom ntej ntawm cov khoom siv hluav taws xob thiab cov kab ke.
Lub sijhawm tshaj tawm: Plaub Hlis-12-2024