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Kev sib piv ntawm Hloov Cov Khoom Siv Hluav Taws Xob thiab Cov Khoom Siv Hluav Taws Xob

May 08, 2023

Kev sib piv ntawm Hloov Cov Khoom Siv Hluav Taws Xob thiab Cov Khoom Siv Hluav Taws Xob

 

Hloov fais fab mov thiab linear fais fab mov yog DC fais fab mov. Raws li cov kev xav tau sib txawv thiab kev siv sib txawv, cov khoom siv hluav taws xob linear zoo dua. Cov zis tawm ntawm cov khoom siv hluav taws xob linear yog cov khoom siv hluav taws xob linear DC, uas tuaj yeem siv rau lub sijhawm uas yuav tsum muaj siab. Thib ob, transformers thiab switching tubes muaj cov yam ntxwv ntawm qhov hnyav me me, muaj peev xwm loj, thiab cov khoom tso tawm siab. Theem tswj fais fab mov yog siv nyob rau hauv lub sij hawm uas tsis tshua muaj kev xav tau thiab siab tam sim no.


Cov kab hluav taws xob hluav taws xob tswj lub raj yog nyob rau hauv lub xeev loj, nrog kev kub siab thiab kev ua haujlwm qis (kwv yees li 35 feem pua). Yuav tsum tau ntxiv ib lub radiator loj, kuj xav tau ib tug loj zaus transformer. Thaum ntau cov khoom siv hluav taws xob yuav tsum tau tsim, lub transformer yuav loj dua. Txoj kev tswj lub raj ntawm lub zog hloov hluav taws xob yog nyob rau hauv lub xeev saturated, yog li cov cua sov me me, qhov ua tau zoo yog siab (ntau dua 75 feem pua), thiab cov hloov pauv ntau tau txais kev cawmdim. Tsis tas li ntawd, vim hais tias kev ua haujlwm ntawm lub raj hloov pauv yuav ua rau muaj kev cuam tshuam loj heev, nws tseem tsim nyog los txhim kho lub voj voog los ntawm kev sib txuas cov hlaws sib nqus hauv series. Hais txog kev hais lus, cov khoom siv hluav taws xob linear tsis muaj qhov tsis xws li hais saum toj no, thiab nws cov ripple tuaj yeem me me (tsawg dua 5mv).


Hloov cov khoom siv hluav taws xob yog siv qhov kev siv hluav taws xob thiab kev teeb tsa ntim yuav tsum tau ntau npaum li qhov ua tau, thiab cov khoom siv hluav taws xob tawm feem ntau yog siv qhov kev cuam tshuam hluav taws xob thiab lub zog purity yuav tsum tau (xws li capacitance to detection). Tsis tas li ntawd, thaum lub Circuit Court yuav tsum tau muab cais tawm, feem ntau circuits tam sim no siv DC-DC rau lub hwj chim ntawm kev sib cais (lub hauv paus ntsiab lus ntawm kev ua hauj lwm ntawm DC-DC yog ib tug switching fais fab mov). Tsis tas li ntawd, high zaus transformers siv nyob rau hauv switching fais fab mov yuav ua tau ntau cumbersome rau cua.


Hloov fais fab mov thiab linear fais fab mov yog txawv kiag li nyob rau hauv cov qauv. Raws li lub npe implies, lub zog hloov hluav taws xob muaj qhov hloov pauv. Nws siv lub voj voog ua haujlwm sib txawv lossis qhov sib txawv ntawm qhov sib txawv kom ua tiav qhov sib txawv voltages, uas yog qhov nyuaj. Qhov zoo dua yog kev ua haujlwm siab, feem ntau tshaj 90 feem pua. Qhov tsis zoo yog qhov ripple thiab hloov suab nrov yog qhov loj, thiab nws yog qhov tsim nyog rau qee lub sijhawm uas cov ripple thiab suab nrov tsawg; cov khoom siv hluav taws xob linear tsis muaj qhov hloov pauv thiab koom nrog kev tswj hwm txuas ntxiv mus. Cov qauv sab hauv yog qhov yooj yim, qhov chaw nti yog me me, thiab tus nqi qis. Nws qhov zoo yog tus nqi qis thiab cov ntawv tsis tshua muaj suab nrov, thiab nws qhov tsis zoo yog qhov ua haujlwm tsawg. Lawv txhua tus muaj lawv tus kheej qhov tsis txaus, thiab lawv sib koom ua ke hauv daim ntawv thov!

 

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