Feem ntau DC voltages xa mus rau qhov tshwj xeeb voltage siv nyob rau hauv direct tam sim no (DC) systems. Feem ntau DC voltages muaj xws li:
1.5V (V)
2.12V (V)
3.24V (V)
4.48V (V)
Cov voltages no feem ntau siv nyob rau hauv ntau yam khoom siv hluav taws xob thiab lub zog hluav taws xob.
Txhawm rau hloov pauv ntawm qhov sib txawv DC voltages, ntau txoj hauv kev tuaj yeem ua haujlwm. Qee cov txheej txheem hloov dua siab tshiab muaj xws li:
1. Voltage Divider: Txoj kev no siv cov kev sib txuas ntawm cov resistors los faib cov voltage mus rau qib uas xav tau. Nws yog feem ntau siv rau kev hloov hluav taws xob qis dua.
2. Voltage Regulator: Ib qho hluav taws xob tswj hluav taws xob hluav taws xob yog siv los tswj cov khoom siv hluav taws xob tas li tsis hais txog qhov hloov pauv ntawm cov khoom siv hluav taws xob. Txoj kev no feem ntau yog siv hauv cov khoom siv hluav taws xob los muab lub zog ruaj khov.
3. DC-DC Converter: Cov converters no siv inductors, capacitors, thiab hloov cov ntsiab lus kom ua tau zoo nce lossis nqis DC voltages. Lawv feem ntau yog siv rau cov ntawv thov hluav taws xob siab thiab tuaj yeem hloov pauv ntawm qhov ntau ntawm cov qib voltage.
4. Transformer: Transformers kuj siv tau rau DC voltage hloov dua siab tshiab, tab sis lawv yuav tsum tau ntxiv circuitry xws li ib tug rectifier hloov lub DC voltage rau AC ua ntej transformation thiab ces hloov rov qab mus rau DC.
5. Cov txheej txheem no tso cai rau kev hloov pauv ntawm DC voltages kom haum rau cov kev cai tshwj xeeb ntawm cov khoom siv hluav taws xob sib txawv thiab cov tshuab.
Hauv peb lub hnub ci hluav taws xob, peb feem ntau siv cov khoom siv uas ua haujlwm ntawm qhov sib txawv DC voltage xws li 12V, 24V, thiab 48V. Txhawm rau pab txhawb kev ua haujlwm ntawm cov cuab yeej no, peb siv DC rau DC kev hloov pauv. Qhov no txhais tau hais tias qhov hluav taws xob los ntawm lub zog hluav taws xob, xws li lub hnub ci vaj huam sib luag lossis roj teeb, hloov mus rau qhov tshwj xeeb voltage xav tau los ntawm txhua lub cuab yeej. DC rau DC hloov dua siab tshiab tso cai rau peb kom phim cov qib voltage ntawm cov khoom siv hauv lub trailer, ua kom muaj kev sib raug zoo thiab kev xa hluav taws xob zoo.
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