Daim ntawv thov ntawm cov ntxaij lim hauv hloov hluav taws xob
Hloov hluav taws xob muab khoom yog ib hom hluav taws xob muab hluav taws xob uas hloov cov tswv yim hluav taws xob voltage rau hauv cov zis yam xav tau voltage. Nws ua tiav lub zog hloov pauv hloov tshiab los ntawm kev hloov nrawm thiab maub los. Txawm li cas los xij, vim muaj cov kev ua haujlwm ntau ntawm kev hloov cov khoom siv fais fab tuag thiab cov suab nrov tuaj yeem tsim tawm, ua rau qee yam teeb meem rau lub zog hluav taws xob thiab thauj khoom. Txhawm rau daws cov teeb meem no, cov ntxaij lim dej tau siv dav hauv hloov hom hwj huam.
Firstly, cia peb nkag siab qhov kev cuam tshuam thiab suab nrov nrov hauv hloov hom fais fab khoom. Thaum hloov chaw hluav taws xob hloov ua haujlwm, lub zog hloov ceev yuav tsim cov paib mem tes thiab hloov voltage thiab tam sim no los ntawm transformers thiab capacitors. Thaum lub sijhawm no, cov kev cuam tshuam zoo tshaj plaws thiab cov kev sib cuam tshuam yuav tsim tawm, ua rau qee qhov cuam tshuam hluav taws xob rau lub zog hluav taws xob thiab lwm yam khoom siv. Tsis tas li ntawd, cov zis hluav taws xob thiab tam sim no ntawm hloov hom fais fab khoom yuav ntsib qee qhov ripples thiab suab nrov, uas yuav muaj kev cuam tshuam tsis zoo ntawm lub nra. Txhawm rau daws cov teeb meem no, lim cov lim rau hauv hloov hom hwj huam.
Ntxaij lim tau tsuas yog siv los txhawm rau txhim kho kev cuam tshuam high-zaus thiab kev sib haum xeeb hauv kev hloov cov khoom siv fais fab. Nws lim dej zoo rau kev cuam tshuam thiab kev xaiv cov khoom siv tsim nyog thiab tsim kom muaj zog, ua rau lub zog tso tawm ruaj khov thiab txo qis rau lwm yam khoom siv. Cov lim ntim ib txwm muaj xws li inductors, capacitors, thiab tsim tawm.
Inductance yog ib qho ntawm feem ntau siv cov lim ntim hauv cov ntxaij lim dej. Nws tau yuam kev hloov cov yam ntxwv thiab tuaj yeem thaiv cov cim kev ua haujlwm siab. Nyob rau hauv hloov hom fais fab khoom, feem ntau yog siv los tsim cov lim dej LC, uas thaiv cov teeb meem kev cuam tshuam loj thiab harmonic cov cim los ntawm inductors. Tsis tas li ntawd, inductors tseem tuaj yeem muab qee yam kev lim dej kom du thiab kho cov zis tam sim no, tiv thaiv cov zis ripple thiab nrov.
Peev hluav taws xob yog lwm hom kev lim. Nws muaj peev xwm captance impedance hloov cov yam ntxwv thiab tuaj yeem thaiv cov cim qis-zaus. Nyob rau hauv hloov hom fais fab khoom, capacitors feem ntau yog siv los tsim RC lim uas thaiv cov suab nrov tsawg dhau los ntawm lub capacitors. Ntxiv rau, capacitors tuaj yeem hloov kho kom haum ntawm lub zog hluav taws xob voltage, txo cov zis ripple.
Ntxiv nrog rau inductors thiab capacitors, resistors kuj yog ib qho kev lim ntim. Nws yog tsuas yog siv los muab damping thiab thauj khoom ntsuas ntsuas. Nyob rau hauv hloov hom fais fab khoom, los ntawm xaiv tsim nyog tiv thaiv tsis kam, cov lus teb tsis txaus thiab damping coefficient ntawm lub lim tuaj yeem hloov kho kom txhim kho nws cov kev ua tau zoo.
Hauv cov ntsiab lus, daim ntawv thov ntawm cov ntxaij lim dej hauv hloov cov khoom siv hluav taws xob tseem ceeb heev. Nws tuaj yeem ua tau zoo rau kev cuam tshuam rau kev cuam tshuam thiab kev sib raug zoo, txo cov zis voltage thiab nrov, thiab txo qhov cuam tshuam ntawm lub nra. Los ntawm kev xaiv lim cov khoom siv thiab cov qauv tsim qauv tsim nyog, kev ua haujlwm thiab kev ntseeg tau ntawm hloov cov khoom siv fais fab tuaj yeem hloov kho.
