Nrog rau kev loj hlob ntawm lub zog txuas ntxiv thoob ntiaj teb, hnub ci zog tau dhau los ua ib qho tseem ceeb tshaj plaws kom huv. Solar photoovoltaic (PV) siv dav hauv tsev, kev lag luam thiab kev lag luam rau lawv txoj kev tiv thaiv zoo, ib puag ncig kev tiv thaiv thiab tus nqi qis. Nyob rau hauv cov tshuab no, hnub ci cabs thiab cov xov xwm ci ntsa iab yog cov hluav taws xob tseem ceeb uas yog cov inverters, roj teeb, thauj khoom, thiab lwm yam). Yog li, nkag siab txog cov kev sib txawv ntawm lub hnub ci cables thiab xaim, thiab yuav ua li cas xaiv cov cable txoj cai raws li kev xav tau tiag tiag, tau dhau los ua cov kauj ruam tseem ceeb hauv kev tsim thiab teeb tsa lub zog hnub ci.
Kab lus no yuav qhia tau cov hnub ci sib luag hauv kev nthuav dav, suav nrog kev xaiv cov xwm txheej thiab kev xaiv lub zog rau cov photovoltaic ntawm ntau qhov sib txawv.
1. Cov ntsiab lus tseem ceeb ntawmHnub ci cables
Cov khoom siv hnub ci yog cov cables tsim rau cov nruab hnub ci photoovoltaic, thiab lawv cov haujlwm tseem ceeb yog xa hluav taws xob lub zog. Photovoltaic tshuab hloov zog hnub ci zog rau hauv lub zog hluav taws xob thiab muab hluav taws xob rau cov inverters, roj teeb txee los ntawm cov cable. Txij li hnub ci ntsa iab feem ntau yog nruab sab nraum zoov thiab nthuav tawm lub hnub ci, huab cua, lawv muaj kev nyab xeeb thiab kho kom tsis kam.
Hom cov nplhaib sib txawv yog tsuas yog ua raws li lawv cov qauv, khoom, voltage theem thiab cov ntawv teev cov xwm txheej. Ntau hom kev sib tw ntawm lub hnub ci cib tau qhia hauv qab no.
2. Hom ntawm lub hnub ci cable
Hnub ci cable tuaj yeem muab faib ua ob peb hom sib txawv raws li cov ntawv thov sib txawv thiab kev ua hluav taws xob. Mas muaj xws li:
2.1 Ib Leeg Tub Ntxhais Hnub Solar Cable
Ib Leeg Tub Ntxhais Hnub Solar Cable yog feem ntau hom cable hauv photovoltaic. Nws muaj ib txheej ntawm tus neeg saib xyuas thiab txheej txheej ntawm insulating cov khoom siv, haum rau kev kis ncaj qha tam sim no (DC) tam sim no. Ib leeg-tub ntxhais cov kab ke feem ntau yog siv rau kev sib txuas ntawmHnub ci Panelsthiab inverters.
Daim Ntawv Thov Qhia:Cov kab sib txuas ib leeg yog feem ntau siv rau DC tam sim no kis hauv photovoltaic, tshwj xeeb tshaj yog rau kev sib txuas ntawm lub hnub ci. Lawv feem ntau yog siv nyob rau hauv qis-voltage thiab nruab nrab-voltage photovoltaic tshuab.
Nta:Ib leeg cables muaj qhov zoo ntawm kev hloov tau zoo thiab yooj yim rau cov scenes uas xav tau khoov lossis ntau dua cov txheej txheem. Lawv cov neeg ua lawv tus cwj pwm feem ntau yog tooj liab lossis txhuas, nrog kev ua haujlwm zoo.
Cov lus tshwj xeeb:Cov Txheej Txheem Ib Leeg-Cov Tub Ntxhais Nruab Nrab yog 4mm², 6 hli, 6mm², 6mm², Etc. Xaiv cov kab ke tsim nyog raws li qhov loj me me.
2.2 Twin-tub ntxhais hnub ci cable
Twin-tub ntxhais hnub ci cables muaj ob tus neeg saib xyuas thiab feem ntau yog siv rau kev hloov tam sim no (AC) lossis cov ntawv thov uas xav tau Bidirectional kis tau tam sim no. Hauv photovoltaic, ntxaib-core cables feem ntau yog siv los txuas inverters rau roj teeb txee rau ntawm cov khoom siv.
Daim Ntawv Thov Qhia:Lub cav ntxaib ntxaib yog siv dav hauv cov tshuab photovoltiec, tshwj xeeb tshaj yog cov uas yuav tsum tau xa roj teeb lossis tam sim no rau ntau yam khoom siv roj teeb.
Nta:Cov neeg saib xyuas ntawm Twin-tub ntxhais hnub ci cable feem ntau muaj ob lub sijhawm ywj pheej, yog li tuaj yeem txhawb nqa cov kev xaiv tau zoo uas yuav tsum tau siv ob lub xov hlau siv nyob rau hauv parallel.
Cov lus tshwj xeeb:Cov kev qhia tshwj xeeb ntawm ntxaib-core cables zoo ib yam li cov ntawm cov tub ntxhais ntawm ib qho yog 4mm², 6 hli, 10mm², thiab lwm yam.
2.3 ob chav insulated hnub ci cable
Coj cov khoom siv tshuaj ob puas tau tsim nrog ob txheej ntawm rwb thaiv tsev kom muab hluav taws xob kev nyab xeeb ntxiv. Cov cable no feem ntau yog siv nyob rau hauv high-voltage, high-power photovoltaic thiab muaj peev xwm tiv thaiv tam sim no thiab hluav taws xob.
Daim Ntawv Thov Qhia:Hom cable no yog siv nyob rau hauv photovoltic cov tshuab uas xav tau ntau voltage thiab siab tam sim no, tshwj xeeb tshaj yog nyob rau hauv cov chaw muaj hluav taws xob ntau thiab muaj cov ntaub ntawv fais fab hluav taws xob.
Nta:Ob-insulated coles ua kom muaj kev nyab xeeb ntau dua thiab tuaj yeem tiv taus ntau dua thiab cov dej ntws, tshwj xeeb tshaj yog rau cov photovoltaic nrog ntau dua li 1000v lossis 1500v). Lub rwb thaiv lwm txheej rwb thaiv ntxiv yuav pab txhawm rau txhim kho cov cable uas tsis kam rau hluav taws xob poob siab thiab luv luv.
Cov lus tshwj xeeb:Ob-insulated hnub ci sib luag feem ntau yog nyob ntawm 600V, 1000v lossis 1500v, thiab haum rau photovoltaic nrog ntau cov qib.
2.4 Hluav Taws Kub Tiv Thaiv Hnub Ci Cable
Cov hluav taws kub hluav taws xob hnub ci yuav ua tau zoo tiv thaiv kev sib kis hluav taws thaum hluav taws kub tshwm sim, kom muaj kev nyab xeeb ntawm lub zog hluav taws xob. Lawv muaj cov ntaub ntawv hluav taws xob tshwj xeeb ntxiv rau cov hnab riam sab nraud, uas tuaj yeem tswj kev ua haujlwm ruaj khov hauv qhov chaw kub.
Daim Ntawv Thov Qhia:Cov hluav taws kub hluav taws kub yog qhov tshwj xeeb yog tsim nyog rau cov chaw uas yuav tsum muaj cov qauv kev nyab xeeb, xws li hnub ci hauv cov tuam tsev, cov ntaub ntawv ntim roj teeb, thiab cov ntawv thov kev lag luam.
Nta:Cov Cables muaj cov nplaim taws-retardant sab nraud uas txo tus nqi ntawm cov nplaim taws sib kis thaum muaj hluav taws, li kev txhim kho kev nyab xeeb tag nrho ntawm cov kab ke. Lawv feem ntau tsis ua raws li cov qauv kev nyab xeeb thoob ntiaj teb, xws li IEC 60332.
Cov lus tshwj xeeb:Cov kev qhia tshwj xeeb ntawm hluav taws-resistant cables zoo ib yam li cov cable, tab sis sab nrauv cov xaim feem ntau yog ua los ntawm cov khoom kub ntau dua thiab nplaim taws-retardant thiab nplaim taws-retardant.
2.5 Kub-Hnub Ci Cable
Kev kub-kub cables yog ib hom cable tsim rau cov dej kub siab. Lawv tau ua los ntawm cov ntaub ntawv uas tuaj yeem tiv taus huab kub thiab haum rau kev siv huab cua huab cua huab.
Daim Ntawv Thov Qhia:Hom cable no feem ntau pom nyob rau hauv photovoltaic nroj tsuag hauv ib puag ncig kub lossis plua plav ib puag ncig, tshwj xeeb tshaj yog nyob rau thaj chaw uas muaj qhov kub thiab txias xws li cov tiaj suab.
Nta:Kev kub siab yog ua los ntawm cov ntaub ntawv uas tuaj yeem ua haujlwm stably thiab ntev raws li cov kev mob siab, xws li hla kev kub siab Polyethylene (XLPE) lossis polyolefin (po). Cov cable no tuaj yeem tiv taus kub siab (feem ntau {2}} degree rau {{3} degree).
Cov lus tshwj xeeb:Kev ntsuas kub kub muaj cov lus qhia zoo ib yam rau lwm lub hnub ci kev ntsuas, nrog rau cov tshuab ntsuas hluav taws xob hauv qhov chaw kub.
2.6 Underoid Solar Cable
Cov khoom siv hauv av hauv av hauv av yog tsim kom muaj kev tiv thaiv nyob hauv av thiab coj kev puas tsuaj ntxiv kom tiv thaiv kev puas tsuaj sab nraud hauv av.
Daim Ntawv Thov Qhia:Hom cable no tau siv nyob rau hauv photovoltaic uas yuav tsum tau faus, xws li loj photovoltaic fais phiaj xwm, thiab kev ua liaj ua teb photovoltaic hwj chim loj cim tshuab.
Nta:Cov kab ke hauv av feem ntau muaj lub zog ua kom muaj zog tshaj lub zog thiab tuab sheaths kom tiv nrog kev ntxhov siab uas yuav ntsib thaum faus. Lawv kuj tseem yuav muaj dej ntxiv kom ntseeg tau tias tsis muaj hluav taws xob tsis ua hauj lwm tshwm sim hauv thaj chaw noo.
Cov lus tshwj xeeb:Qhov voltage theem ntawm cov hluav taws xob hauv av zoo ib yam li lwm cov photovoltaic cables, feem ntau 600V, 1000v lossis 1500v.
3. Qhov xwm txheej los txiav txim siab thaum xaiv hnub ci cirles
Xaiv lub hnub ci yog nyob ntawm tsis yog rau ntawm hom ntawm cable, tab sis kuj nyob rau hauv cov ntsiab lus hauv qab no:
3.1 Feem Ntau Yuav Tsum
Lub voltage ntau ntawm cov hnub ci photoovoltaic txawv ntawm 12v mus rau 1500v. Cov tshuab sib txawv yuav tsum tau sib xyaw nrog sib txawv voltages. Piv txwv li, tsev pv feem ntau siv 300v rau 600v cables, thaum loj lag luam pv chinesill yuav xav tau 100000 lossis 1500v cable.
3.2 Cov xwm txheej ib puag ncig
Lub hnub ci feem ntau yog nruab sab nraud sab nraud, yog li ntawd nws yog qhov tsim nyog los xaiv cov khoom siv UV uas tiv thaiv UV rays, corrosion, kub siab, thiab noo noo. Yog tias cov kab ke tau nruab rau ntawm cov hiav txwv lossis thaj chaw noo, kev saib xyuas tshwj xeeb yuav tsum tau them rau Cable Corrosion tsis kam.
3.3 Tam sim no thiab lub zog
Hom sib txawv ntawm hom thiab cov lus qhia tshwj xeeb haum cov khoom sib txawv tam sim no. Cov kab ke nrog cov dej ntws loj dua yuav tsum muaj cov xaim nrog cov kab mob hla mus los txo cov zog poob rau thaum lub zog kis. Yog li ntawd, nws yog qhov tseem ceeb los xaiv cov kev tsim nyog cable loj raws li lub kaw lus tam sim no thiab lub zog.
3.4 Cov Qauv Kev Nyab Xeeb thiab Ntawv Pov Thawj
Xaiv cov cables uas tau raws li cov qauv kev nyab xeeb thoob ntiaj teb (xws li TÜV, UL, ETC.CE) kom paub tseeb tias qhov kev nyab xeeb ntawm cov dej siab uas muaj qhov kub, thiab cov chaw hnyav. Cov ntawv pov thawj no lav tau qhov zoo thiab kev nyab xeeb ntawm cov cables.