Kev piav qhia ntawm lub hauv paus ntsiab lus ntawm kev hloov fais fab mov
(1) Input Circuit Court:
Linear filtering circuit, surge tam sim no suppression circuit, rectification Circuit Court.
Kev Ua Haujlwm: Hloov AC lub zog hluav taws xob nkag mus rau hauv daim phiaj hluav taws xob rau hauv DC input fais fab mov uas ua tau raws li qhov xav tau ntawm kev hloov hluav taws xob.
1. Linear filtering Circuit Court:
Ncua harmonics thiab suab nrov.
2. Surge filtering Circuit Court:
Tshem tawm surge tam sim no los ntawm daim phiaj fais fab.
3. Rectifier Circuit Court:
Hloov AC rau DC.
Muaj ob hom kev tawm tswv yim: capacitor input type thiab choke input type, nrog rau feem ntau hloov cov khoom siv hluav taws xob siv qub.
(2) Hloov Circuit Court:
Xws li hloov circuits, tso zis rho tawm (transformer) circuits, thiab lwm yam., nws yog lub ntsiab channel rau switching fais fab mov transformation, ua tiav chopping modulation thiab tso zis ntawm lub hwj chim mov waveforms nrog lub hwj chim.
Lub zog hloov hluav taws xob transistor ntawm qib no yog nws cov khoom siv tseem ceeb.
1. Hloov Circuit Court
Tsav hom: tus kheej zoo siab lossis tus kheej zoo siab.
Conversion Circuit Court: cais, tsis cais, resonant.
Cov khoom siv fais fab: Cov khoom siv feem ntau suav nrog GTR, MOSFET, thiab IGBT.
Modulation method: PWM, PFM, and hybrid. PWM feem ntau yog siv.
2. Transformer tso zis
Muab faib ua tsis muaj kais thiab nrog kais. Thaum lub sij hawm ib nrab nthwv dej rectification thiab tam sim no muab ob npaug rau rectification, tsis tas yuav muaj ib tug kais, thiab ib tug kais yuav tsum muaj nyob rau hauv tag nrho yoj rectification.
(3) Tswj Circuit Court:
Muab modulated rectangular pulses rau lub tsav tsheb los kho qhov tso zis voltage.
Kev siv hluav taws xob: Muab kev siv hluav taws xob. Piv txwv li, piv txwv li LM358, AD589, series siv AD581, REF192, thiab lwm yam.
Sampling circuit: Siv tag nrho lossis ib feem ntawm cov zis hluav taws xob.
Kev sib piv amplification: Sib piv cov qauv teeb liab nrog cov teeb liab siv los tsim cov teeb liab yuam kev, uas yog siv los tswj lub zog PM Circuit Court.
V / F hloov dua siab tshiab: Hloov qhov yuam kev voltage teeb liab mus rau hauv lub teeb liab zaus.
Oscillator: Tsim cov zaus oscillation waves.
Base tsav Circuit Court: Hloov cov teeb liab oscillation modulated rau hauv lub teeb liab tswj tsim nyog los tsav lub hauv paus ntawm lub raj hloov.
(4) Output Circuit Court:
Rectification thiab filtering.
Rectify cov zis voltage rau hauv pulsating DC thiab du nws mus rau hauv tsawg ripple DC voltage. Tso zis rectification technology tam sim no suav nrog ib nrab nthwv dej, puv nthwv dej, lub zog tas li, tam sim no ob npaug, synchronous thiab lwm txoj hauv kev kho.
