Feem ntau hais lus, AC cov kab hluav taws xob yog cov xaim hluav taws xob tsim los ntawm cov kab hluav taws xob siab AC. Vim muaj qhov hluav taws xob siab, cov neeg ua haujlwm pov thawj kev nyab xeeb tuaj yeem tsim tau. DC kab pib dhau los ntawm qhov hluav taws xob qis DC, yog li AC kab tsis nruj nruj. Txawm li cas los xij, vim yog vim li cas kev nyab xeeb, lub teb chaws xav tau kev pov thawj kev ruaj ntseg.
Tus qauv ntawm lub koob yees duab muaj zog cable network yog dab tsi?
Cov qauv ntawm lub koob yees duab muaj zog qaum network cable tsis yog complex, tab sis nws tsis yooj yim pom ntawm qhov chaw. Yuav kom kawm txog cov hlua hluav taws xob zoo, muaj qee qhov chaw uas yuav tsum tau nkag siab txog cov qauv ntawm cov hlua hluav taws xob.
Cov qauv ntawm kev lag luam lub koob yees duab fais fab cable network feem ntau suav nrog sab nrauv, sab hauv sheath, tus neeg xyuas pib, tooj liab, txhuas hlau, thiab lwm yam khoom siv sib kis.
Cov khoom siv sab nraud
Lub sheath, tseem hu ua zaj duab xis tiv thaiv, yog lub plhaub sab nraum lub zog qaum, nrog cov yam ntxwv muaj zog xws li kub tsis kam, tsis kub tsis kam, tsis kam rau lub teeb pom kev cuam tshuam, hla kev ua haujlwm, kev pab cuam lub neej, thiab cov khoom siv ib puag ncig.
Internal tiv thaiv txheej
Sab hauv thiab sab nraud ntev, tseem hu ua insulating sheath, yog ib qho tseem ceeb ntawm cov qauv nruab nrab ntawm cov hlua hluav taws xob. Raws li lub npe implies, lub hom phiaj tseem ceeb ntawm insulating sheath yog rwb thaiv tsev. Txhawm rau ua kom muaj kev nyab xeeb ntawm hluav taws xob ntawm cov kab hluav taws xob thiab tiv thaiv kom tsis txhob tawg ntawm tooj liab thiab huab cua, cov khoom siv insulating sheath yuav tsum yog mos thiab zoo embedded nyob rau hauv nruab nrab txheej.
tooj liab
Copper hlau yog qhov tseem ceeb ntawm lub hwj huam qaum. tooj liab hlau yog tsuas yog cov cab kuj ntawm tam sim no thiab voltage. Qhov ntom ntawm tooj liab xaim ncaj qha cuam tshuam rau qhov zoo ntawm cov hlua hluav taws xob. Cov khoom siv ntawm cov hlua hluav taws xob kuj yog ib qho tseem ceeb hauv kev soj ntsuam zoo, thiab qhov ntau thiab kev hloov pauv ntawm cov hlau tooj liab kuj yog qhov tseem ceeb uas yuav tsum tau xav txog.
Internal tiv thaiv txheej
Cov khoom siv los qhwv cov ntaub qhwv sab hauv nruab nrab ntawm cov ntaub thaiv npog thiab cov txheej txheem tseem ceeb feem ntau yog polyvinyl chloride yas lossis polyethylene yas. Kuj tseem muaj cov khoom siv tsis muaj pa halogen tsawg. Raws li cov txheej txheem kev cai, xyuas kom meej tias cov khoom siv rwb thaiv tsev tsis tuaj yeem tiv nrog dej, huab cua, lossis lwm yam khoom los tiv thaiv kev puas tsuaj rau cov rwb thaiv tsev ya raws thiab cov khoom siv rwb thaiv tsev.
