Ob lub DC thiab AC cables yog siv los xa hluav taws xob hluav taws xob, tab sis lawv txawv ntawm hom tam sim no lawv nqa thiab cov kev siv tshwj xeeb uas lawv tau tsim rau.Hauv cov lus teb no, peb yuav tshawb nrhiav qhov sib txawv ntawm DC thiab AC cables, suav nrog cov yam ntxwv xws li hom tam sim no, cov yam ntxwv hluav taws xob, kev siv, thiab kev xav txog kev nyab xeeb.
Direct tam sim no (DC) yog ib qho hluav taws xob tam sim no uas ntws hauv ib qho kev taw qhia nkaus xwb.Qhov no txhais tau hais tias qhov voltage thiab tam sim no nyob twj ywm nyob rau lub sijhawm.Hloov tam sim no (AC), ntawm qhov tod tes, yog ib qho hluav taws xob tam sim no uas hloov cov kev taw qhia ib ntus, feem ntau yog nyob rau hauv lub sinusoidal waveform.AC tam sim no hloov pauv ntawm qhov zoo thiab qhov tsis zoo polarity, ua rau qhov hluav taws xob thiab qhov hluav taws xob tam sim no hloov pauv lub sijhawm.
Qhov sib txawv tseem ceeb ntawm DC thiab AC cables yog hom tam sim no lawv tsim los nqa.DC cables tshwj xeeb yog tsim los nqa tam sim no ncaj qha, thaum AC cables tshwj xeeb tsim los nqa cov khoom siv tam sim no.Qhov sib txawv ntawm hom tam sim no tuaj yeem cuam tshuam rau kev tsim, kev tsim kho thiab kev ua haujlwm ntawm cov cables.
Ib qho ntawm qhov sib txawv tseem ceeb ntawm DC thiab AC cables yog cov khoom siv rwb thaiv tsev thiab cov neeg xyuas pib siv.DC cables feem ntau xav tau cov rwb thaiv tsev tuab dua kom tiv taus qhov hluav taws xob tas li thiab hloov pauv hloov pauv.Lawv kuj xav tau cov khoom siv hluav taws xob tsawg kom txo tau lub zog poob.AC cables,
ntawm qhov tod tes, tuaj yeem siv cov rwb thaiv tsev nyias nyias vim yog lub caij nyoog ntawm cov dej ntws tam sim no.Lawv kuj tseem yuav muaj cov khoom siv sib txawv los suav rau cov nyhuv ntawm daim tawv nqaij thiab lwm yam tshwm sim AC tshwj xeeb.AC cables feem ntau yog tus cwj pwm los ntawm kev ntsuas hluav taws xob ntau dua piv rau DC cables.Qhov no yog vim hais tias lub ncov voltages nyob rau hauv AC systems yog siab tshaj qhov nruab nrab voltage, thiab cov cables yuav tsum muaj peev xwm tiv taus cov peak voltage theem.Hauv DC system, qhov hluav taws xob tseem nyob tas li, yog li kev tsim cov kab hluav taws xob tsis tas yuav ua kom haum rau cov qib siab siab siab.
Kev xaiv ntawm DC thiab AC cables nyob ntawm ntau yam ntawm daim ntawv thov.DC cables feem ntau siv rau hauv cov ntawv siv hluav taws xob tsawg xws li cov tshuab tsheb, cov roj teeb, thiab lub hnub ci.Lawv kuj muaj feem ntau pom nyob rau hauv hluav taws xob, kev sib txuas lus, thiab tshuab computer uas xav tau DC fais fab.AC cables, ntawm qhov tod tes, yog siv nyob rau hauv high-voltage daim ntaub ntawv xws li lub hwj chim kis tau tus mob thiab tis, industrial machinery, nyob thiab coj mus muag thaiv, thiab cov khoom siv hauv tsev feem ntau.
Nyob rau hauv cov nqe lus ntawm kev saib xyuas kev nyab xeeb, AC cables muaj kev phom sij ntxiv piv rau DC cables.Vim qhov hloov pauv ntawm cov hluav taws xob tam sim no, AC cables tuaj yeem ua rau hluav taws xob poob ntawm qee zaus lossis nyob rau qee yam xwm txheej.Qhov no txhais tau hais tias yuav tsum tau ceev faj ntxiv thiab ntsuas kev nyab xeeb thaum ua haujlwm nrog AC cables, suav nrog cov txheej txheem hauv av thiab rwb thaiv tsev.Hauv qhov sib piv, DC cables tsis muaj tib lub zaus cuam tshuam txog kev phom sij, yog li lawv feem ntau suav tias muaj kev nyab xeeb dua rau qee qhov kev siv.
Hauv cov ntsiab lus, qhov sib txawv tseem ceeb ntawm DC cables thiab AC cables yog hom tam sim no lawv tsim los nqa.DC cables yog siv los xa ncaj qha tam sim no, thaum AC cables yog siv los xa cov alternating tam sim no.Qhov sib txawv ntawm hom tam sim no tuaj yeem cuam tshuam rau kev tsim, kev tsim kho thiab kev ua haujlwm ntawm cov cables, suav nrog cov ntaub ntawv rwb thaiv tsev thiab cov khoom siv hluav taws xob, kev ntsuas hluav taws xob, kev siv thiab kev xav txog kev nyab xeeb.Kev nkag siab txog qhov sib txawv no yog qhov tseem ceeb rau kev xaiv cov kab tsim nyog rau ib qho hluav taws xob tshwj xeeb lossis daim ntawv thov.
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Post lub sij hawm: Nov-01-2023
