Switching transformers yog xav tau nyob rau hauv switching fais fab mov.Yog li dab tsi yog switching transformers?Dab tsi yog cov qauv kev ua haujlwm thiab kev ua haujlwm ntawm kev hloov pauv hloov pauv?Cia peb nkag siab lawv.
·Taw qhia
Lub tshuab hluav taws xob hloov pauv yog hais txog lub tshuab hluav taws xob siv hauv kev hloov hluav taws xob.Nws ua haujlwm hauv lub xeev mem tes nrog ntau zaus ntawm kaum mus rau kaum ntawm kilohertz lossis txawm pua pua ntawm kilohertz.Cov tub ntxhais hlau feem ntau yog ua los ntawm cov khoom siv ferrite.
·Lub hauv paus ntsiab lus ntawm kev hloov pauv transformer
Lub tshuab hluav taws xob yog ib qho khoom siv hluav taws xob electrostatic tsim los ntawm lub hauv paus ntsiab lus ntawm electromagnetic induction.Thaum thawj kauj ruam ntawm lub transformer txuas nrog AC fais fab mov, cov tub ntxhais hlau ua ib qho sib nqus sib nqus flux.Lub tshuab hluav taws xob hloov hluav taws xob yog tswj los ntawm Circuit Court, thiab lub raj xa hluav taws xob hloov ntawm kev kub ceev.
Hloov cov tam sim no ncaj qha mus rau qhov siab zaus hloov tam sim no yog nkag mus rau lub tshuab hluav taws xob rau kev hloov pauv, yog li tsim ib lossis ntau qhov voltages.Txij li thaum qhov ua tau zoo ntawm AC zaus nyob rau hauv lub transformer Circuit Court yog ntau dua 50Hz, tag nrho cov hloov transformers yuav ua tau me me, yog li txo tus nqi.
·TNws lub luag hauj lwm ntawm switching transformers
Lub luag haujlwm tseem ceeb ntawm kev hloov pauv hloov pauv yog lub zog xa hluav taws xob, hloov pauv hluav taws xob thiab rwb thaiv tsev.
Nws cov txiaj ntsig tseem ceeb yog qhov me me, kev ua haujlwm siab, thiab pheej yig stretching.Raws li ib qho tseem ceeb ntawm cov khoom siv hluav taws xob sib nqus sib nqus, cov khoom siv hluav taws xob hloov pauv tau dav siv hauv kev hloov hluav taws xob siv hluav taws xob thiab hluav taws xob hluav taws xob thev naus laus zis, thiab tseem siv rau hauv cov hluav taws xob ntau zaus xws li hloov cov khoom siv hluav taws xob.
Raws li lub zog xa tawm ntawm kev hloov pauv hloov pauv, lub zog hloov pauv tuaj yeem faib ua ntau qib: 10kVA yog lub zog siab, 10kVA ~ 0.5kVA yog lub zog nruab nrab, 0.5kVA ~ 25VA yog lub zog qis, thiab qis dua 25VA yog micro zog.Lub zog sib txawv sib txawv, kev tsim hluav taws xob transformer kuj txawv.Lub ferrite core thiab magnetic saturation coefficient ntawm lub hwj chim transformer tsis zoo li ntawm silicon steel ntawv core, uas ua rau lub zog tsawg heev ib Hertz ntawm AC fais fab hloov.Tab sis nws ua hauj lwm nyob rau hauv ib tug high-frequency Circuit Court, thiab lub zog sib pauv zaus ntawm ib chav tsev lub sij hawm luv luv yog siab heev (1000 zaus ntawm ib tug tsawg zaus transformer).Ua ke, nws qhov kev ua tau zoo tuaj yeem ncav cuag ntau lub sijhawm ntawm cov tshuab hluav taws xob tsawg.
·Lwm txoj haujlwm ntawm kev hloov pauv hloov pauv yog tias nws muaj kev tawm tswv yim winding
Kev tawm tswv yim winding muab cov lus qhia zoo rau PWM IC, ua rau nws tsim kom muaj cov zaus oscillation ua ke nrog rau qhov thib ob winding, kom DC nkag mus rau thawj winding ntawm lub transformer muaj ib tug loj AC tivthaiv, thiab lub high-frequency AC. tivthaiv yog cais los ntawm lub transformer core, tsim ib tug thib ob Pure high-frequency AC, uas yog rectified thiab lim los muab cov khoom siv hluav taws xob.Lub tswv yim winding tuaj yeem kho qhov tso zis voltage rau tus nqi ruaj khov.Piv txwv li, qhov hloov pauv hloov pauv ua lub luag haujlwm ntawm kev xa hluav taws xob, hloov hluav taws xob thiab rwb thaiv tsev.
Post lub sij hawm: Oct-07-2022