Hauv photovoltaic (PV Voltage theem yog qhov tseem ceeb hauv
Kev tsim qauv thiab xaiv, uas yog hais ncaj qha rau kev nyab xeeb rau kev nyab xeeb, kev ua haujlwm thiab lub sijhawm ntev ntawm lub system. Nkag siab txog cov hluav taws xob hluav taws xob ntawm lub hnub ci yog qhov tseem ceeb rau kev xaiv cov cable uas tsim nyog thiab ua kom muaj kev nyab xeeb ntawm cov photovoltaic.
Kab lus no yuav tshawb txog qhov ntsuas hluav taws xob ntawmHnub ci cablesThiab cov yeeb yaj kiab hnub ci nthuav dav, piav qhia lawv lub luag haujlwm hauv kev xaiv cov kev xaiv, thiab sib tham txog kev xaiv thiab cuam tshuam ntawm voltage ntau ntau.
1. Voltage theem ntawmHnub ci cables
Hnub ci clesles yog cov cables tsim tshwj xeeb rau photovoltaic lub hwj chim tiv thaiv tshuab, nrog huab cua zoo, muaj kub tsis kam thiab UV tsis kam. Raws li ib puag ncig ua haujlwm sib txawv thiab cov ntaub ntawv sib txawv Nkag siab cov qib voltage no yog qhov tseem ceeb rau kev xaiv cov cable uas tsim nyog.
1. Qhov hluav taws xob tsawg dua cable (LV)
Qhov hluav taws xob tsis tshua siv hluav taws xob feem ntau yog siv rau kev ncaj qha tam sim no (DC) cov voj voog hauv cov hnub ci, thiab lawv cov kev ua haujlwm hluav taws xob feem ntau tsis tshaj 1000V. Feem ntau cov chaw thiab kev coj ua khoom siv zog hnub ci zog tiam siv cov cable voltage qis. Cov neeg raug ntsuas hluav taws xob feem ntau ntawm cov hluav taws xob hnub ci qis yog 600V, uas txhais tau tias cov cable tuaj yeem nyab xeeb kom nyab xeeb ntawm 1000v rau lub sijhawm luv luv.
Cov Kev Siv Cov Ntaub Ntawv Feem Ntau:
Cov Nruab Nrab Photovoltaic
Cov Lag Luam Lag Luam Me Photovoltaic
DC COMPRUITS KEV PAB CUAM RAU INVERTERS
Kev siv hluav taws xob tsis muaj zog yog feem ntau ntawm cov hnub ci ci ntsa iab thiab tuaj yeem ua tau raws li cov kev xav tau ntawm cov hnub ci feem ntau. Lawv haum rau feem ntau lub hnub ci ntsa iab thiab Inverter Systems, tuaj yeem tiv thaiv kom ntau kub thiab UV hluav taws xob, thiab muaj kev tiv thaiv zoo rau noo noo thiab corrosion.
2. Nruab nrab voltage Cable (MV)
Nruab nrab voltage clesles yog siv nyob rau hauv loj photovoltaic zog cog los ntawm ntau daim photuav cov hluav taws xob los ntawm ntau tus phothovoltaic arrays rau inverters lossis faib cov tshuab. Cov ntsuas hluav taws xob ntawm cov hluav taws xob nruab nrab feem ntau yog ntawm 3KV thiab 36KV, thiab hauv qee cov ntawv thov tshwj xeeb, lub ntsuas hluav taws xob tuaj yeem nce siab dua.
Cov Kev Siv Cov Ntaub Ntawv Feem Ntau:
Sab hauv fais kis hauv photovoltaic fais fab nroj tsuag
Kev Lag Luam Loj Los Yog Muaj Cov Tshuab Ntsuas Hluav Taws Xob
Fais fab kis ntawm photovoltaic hwj chim tiam thiab daim phiaj
Nruab Nrab Hluav Taws Xob Hluav Taws Xob tuaj yeem muab lub zog siab dua kis tau thiab haum rau cov phiaj xwm hluav taws xob loj photovoltoltotic fais fab tiam cov haujlwm. Cov kab ke no tsis yog muaj ntau dua voltorage nqa muaj peev xwm, tab sis kuj yuav tsum muaj cov rwb thaiv tsev muaj zog thiab arc tiv thaiv.
3. Kev siab hluav taws xob cable (HV)
Cov High voltage cables feem ntau siv rau kev sib kis ntev ntev ntawm ultra-loj photovoltaic zog tiam thiab hluav taws xob sib xyaw. Vim tias cov neeg hluav taws xob siab yuav tsum tau withstand ntau dua cov dej ntws thiab volasumages, lawv cov tsim khoom thiab tsim qauv yog txoj kev xav tau ntau dua. Raug siab heev voltage cables yog ntsuas nyob rau ntau tshaj 36kv thiab tau siv los xa hwj huam los ntawm fais fab nroj tsuag rau lub hwj huam sib chaws.
Cov Kev Siv Cov Ntaub Ntawv Feem Ntau:
Kev sib txuas ntawm photovoltaic zog tiam thiab lub zog loj
Ntev-deb fais sib kis tau ntawm Ultra-loj photovoltaic fais fab chaw
Kev siv cov cabtage high-voltage yog qhov nyuaj ntau thiab yog siv hauv cov xwm txheej uas xav tau lub zog kis loj.
2. Voltage yuav tsum rauHnub ci cablesthiab cov hnub ci
Hnub ci cim thiab cov hnub ci yog cov xov xwm tseem ceeb rau lub zog kis. Qhov ntsuas hluav taws xob ntawm lawv cov qauv tsis tsuas yog txiav txim siab txog qhov hluav taws xob ntau ntxiv uas lawv tuaj yeem tiv thaiv lawv cov kev ua haujlwm rwb thaiv tsev, kev ua haujlwm thiab tag nrho kev ntseeg tau.
1. Voltage theem ntawm lub hnub ci cable
Qhov kev ntsuas hluav taws xob ntawm lub hnub ci cwg yog hais txog kev ua haujlwm voltage ntau uas lub cable tuaj yeem tiv taus. Feem ntau lub hnub ci ntsa iab nyob rau hauv photovoltaic siv tsawg-voltage cables (600 / 1000v), uas tuaj yeem hloov kho tam sim no thiab tau hloov hluav taws xob hauv kev ua haujlwm txhua hnub. Tshwj xeeb tshaj yog nyob rau hauv thaj chaw thiab kev lag luam nruab, cov cable tsawg kawg nkaus tau ntsib feem ntau ntawm cov kev xav tau ntawm lub zog.
Piv txwv li:
Lub hnub ci ci uas ua tau raws li IEC 6 0 216 tus qauv feem ntau yog cim nrog lub xaim hluav taws xob ntawm ib puag ncig ntawm 600V thiab 1000V.
Cov ntaub ntawv rwb thaiv cov hnub ci feem ntau yog XLPE (hla kev sib txuas ntawm polyethylene), uas muaj hluav taws xob hluav taws xob zoo nkauj thiab kub ua tsis zoo.
2. Voltage yuav tsum rau hnub ci
Hnub ci yog ib feem ntawm lub hnub ci cable, thiab lawv cov kev xav tau feem ntau yog tib yam li cov cable. Thaum xaiv cov hnub ci solar, ntxiv rau theem voltage, kev sib tw ntawm thaj chaw, kev ua haujlwm tsis zoo thiab ib puag ncig ntawm cov neeg saib xyuas yuav tsum tau txiav txim siab. Cov hnub ci sib txuas tau siv rau koob thiab sib txuas ntawm cov photovoltaic panels, yog li lawv qhov hluav taws xob qib yuav tsum sib phim nrog tag nrho cov photovoltaic.
3. Xaiv cov ntsuas hluav taws xob
Thaum xaiv qhov peev txheej voltage, theem hauv qab no yuav tsum tau txiav txim siab:
Cov ntsuas hluav taws xob ntsuas ntawm photovoltaic panels:Photovoltic panels feem ntau ua haujlwm nyob rau hauv qis dua voltage, tshwj xeeb tshwj xeeb tshaj yog nyob rau hauv cov khoom siv voltage tsawg voltovoltaic. Yog li ntawd, cov kev xaiv cable voltage theem yuav tsum tsis tshaj qhov ntsuas hluav taws xob ntawm cov vaj huam sib luag.
Inverter voltage ntau:Cov ntsuas hluav taws xob ntawm lub inverter yuav tsum phim tus voltage tso tawm los ntawm cov vaj huam sib luag kom ntseeg tau tias lub photovoltaic tuaj yeem ua haujlwm stably thiab zoo.
Kev ua haujlwm ib puag ncig thiab huab cua kev mob:Lub hnub ci ntsa iab yog raug rau cov chaw sab nraud txhua xyoo puag ncig thiab yuav tsum tau tiv thaiv cov xwm txheej hnyav xws li ultraviolet rays, noo noo, thiab ntsuas kub. Yog li ntawd, cov rwb thaiv tsev theem ntawm cable yuav tsum yoog rau cov kev sib tw ib puag ncig.
3. Rwb thaiv cov ntaub ntawv thiab cov hluav taws xob voltage ntawm lub hnub ci ci thiab tus cwj pwm
Rwb thaiv tsev cov ntaub ntawv yog qhov tseem ceeb hauv kev txiav txim siab qhov hluav taws xob voltage thiab kev nyab xeeb ntawm kev nyab xeeb ntawm hnub ci cable. Cov ntaub ntawv rwb thaiv tsev ntawm lub hnub ci cabes yuav tsum tsis tsuas muaj hluav taws xob rwb thaiv tsev kev ua tau zoo, thiab huab cua kuj yuav yoog rau ntau qhov chaw sab nraud uas yuav ntsib cov hnub ci.
Hla-Txuas Polyethylene (XLPE)
Hla-txuas Polyethylene tam sim no yog cov khoom siv rwb thaiv tsev tshaj plaws rau hnub ci. Nws tau ua tau zoo heev rau kev kub siab, voltage rhuav tshem thiab UV duab, hloov mus rau qhov chaw nyob qhov twg kub thiab cov qoob loo muaj hnub ci rau lub hnub ntev.
Polyvinyl chloride (PVC)
Polyvinyl chloride yog lwm cov khoom siv insulating. Txawm hais tias nws cov kev kub siab tiv taus tsis zoo li cross-txuas polyethylene, nws tseem muaj rwb rwb thaiv kev nyob rau hauv feem ntau cov tshuab ntsuas hluav taws xob feem ntau. PVC coables feem ntau muaj nyiaj txiag thiab haum rau thaj chaw lossis cov lag luam cov xov tooj hluav taws xob me me.
Cov Khoom Siv Roj Hmab
Hauv qee cov ntawv thov tshwj xeeb, xws li qhov twg daws tau, cov khoom siv roj hmab yuav raug siv los ua cov ntaub ntawv rwb thaiv tsev rau hnub ci. Roj Hmab Cables muaj cov khoom siv neeg kho kom zoo nkauj thiab kua muag tiv taus, thiab yog qhov haum rau cov chaw nruab nrog uas xav tau dabtsi yog dabtsi yog khoov.