Yuav Ua Li Cas Xaiv Hnub Ci DC Cable rau PV Systems
Cable loj, tam sim no muaj peev xwm, voltage poob, qauv, connector compatibility thiab kev yuav khoom
Cov ntsiab lus
Xaiv lub hnub ci DC cable los ntawm lub hom phiaj kev lag luam thiab cov qauv xav tau, qhov siab tshaj plaws qhov hluav taws xob, kho qhov hluav taws xob tam sim no, txoj kev ntev thiab qhov hluav taws xob -poob txwv, ib puag ncig kev teeb tsa, thiab qhov sib txuas qhov tseeb. Tom qab ntawd txheeb xyuas tias daim ntawv pov thawj npog cov chaw tsim khoom, cov qauv khoom thiab xaj loj. Qhov kawg sizing thiab installation yuav tsum ua raws li qhov project specification thiab hauv zos saws hluav taws xob cov cai.
Hnub ci DC cable-tseem hu ua hnub ci PV cable lossis photovoltaic cable- yog lub hom phiaj- tsim los rau ncaj qha - sab tam sim no ntawm PV system. Cov nqe lus feem ntau piav txog tib daim ntawv thov qeb; "DC" qhia txog kev ua haujlwm hauv Circuit Court, thaum "PV" qhia txog kev siv hnub ci. Cov khoom tsim nyog tseem nyob ntawm qhov ua tiav cov cim, kev tsim kho, daim ntawv pov thawj thiab kev pom zoo siv -tsis yog lo lus tseem ceeb siv hauv phau ntawv teev npe.
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Engineering daim ntawvPhau ntawv qhia no txhawb nqa kev qhia ua ntej thiab kev yuav khoom. Nws tsis hloov kev xam los ntawm tus tsim qhov project, lub hauv paus saws hluav taws xob code, txoj cai muaj cai los yog lub connector manufacturers cov lus qhia. |
Ntsiab Cai
Cable loj ib leeg tsis txiav txim siab haum
Cable loj ib leeg tsis txiav txim siab haum. Tam sim no muaj peev xwm, voltage poob, kub thiab installation txoj kev yuav tsum tau soj ntsuam ua ke.
Cov qauv sib txawv, ntawv pov thawj systems
H1Z2Z2-K, PV1-F thiab UL PV Hlau tsis yog cov npe zoo ib yam rau ib qho khoom siv thoob ntiaj teb. Lawv cuam tshuam rau cov qauv sib txawv, cov ntawv pov thawj thiab cov kev xav tau ntawm kev ua lag luam.
Kuj, tus nqi thiab qhov hnyav
Ib tug loj cable ib txwm txo cov hluav taws xob tsis kam thiab voltage poob, tab sis nws kuj nce nqi, hnyav, dabtsi yog khoov yuav tsum tau thiab connector compatibility constraints.
Lub connector yuav tsum sib phim
Lub connector yuav tsum phim ob qho tib si cable cross-section thiab cable sab kab. Ib lub cable tej zaum yuav muaj hluav taws xob txaus tab sis mechanically incompatible nrog cov xaiv connector.
Daim ntawv pov thawj PDF tsis muaj pov thawj txaus
Daim ntawv pov thawj PDF tsis muaj pov thawj txaus los ntawm nws tus kheej. Cov neeg yuav khoom yuav tsum txheeb xyuas tus tuav daim ntawv pov thawj, cov khoom tsim, qhov loj me, cov qauv siv tau thiab cov xwm txheej tam sim no.
Solar Cable yog dab tsi?
Hnub ci cable, tseem hu ua photovoltaic cable lossis PV cable, yog ib qho hluav taws xob cable tsim los rau ncaj qha - tam sim no ntawm lub tshuab hluav taws xob photovoltaic.
Cov ntawv thov ib txwm muaj xws li kev sib txuas
- nruab nrab ntawm lub hnub ci modules
- nruab nrab ntawm cov hlua modules thiab cov thawv sib txuas
- nruab nrab ntawm cov thawv sib xyaw thiab cov inverter
- nyob rau hauv preassembled PV thaiv systems
- nruab nrab ntawm lwm yam DC - sab PV Cheebtsam, qhov twg tso cai los ntawm cov khoom tsim.
IEC 62930 siv rau ib leeg -cov tub ntxhais fais fab cables nrog ntoo khaub lig- txuas rwb thaiv tsev thiab tus ntoo khaub lig- txuas sheath rau DC sab ntawm photovoltaic systems. Nws cov peev txheej suav nrog DC voltages mus txog thiab suav nrog 1.5kV ntawm cov neeg xyuas pib thiab nruab nrab ntawm tus neeg xyuas pib thiab lub ntiaj teb. Tus txheej txheem qhia txog qhov kub thiab txias ntawm tus neeg xyuas pib ntawm 90 degree, nrog rau kev ua haujlwm ntawm 120℃txwv rau lub sijhawm sau tseg.
Ib yam IEC- lossis EN- taw qhia hnub ci cable yuav suav nrog:
- ib tug saj zawg zog stranded conductor;
- conductor rwb thaiv tsev;
- ib txheej txheej;
- kev ruaj ntseg cable cim qhia cov chaw tsim khoom, cov khoom tsim, qhov ntsuas hluav taws xob, cov qauv lossis cov ntaub ntawv pov thawj.
H1Z2Z2-K khoomfeem ntau siv zoo-stranded, tinned- tooj liab conductors nrog ntoo khaub lig-txuas, halogen- tsis muaj rwb thaiv tsev thiab sheath compounds. Txawm li cas los xij, cov neeg yuav khoom yuav tsum paub meej tias qhov kev tsim kho tiag tiag los ntawm daim ntawv pov thawj cov ntaub ntawv pov thawj es tsis xav tias txhua yam khoom lag luam ua "solar cable" muaj cov qauv zoo ib yam.
Hnub ci Cable yog ntau tshaj li ib tug dub lossis liab DC hlau
Xim tsis tsim kev ua raws cai.
Ib txoj hlua hloov tau yooj yim tuaj yeem tsim ua xim dub lossis xim liab, tab sis qhov ntawd tsis ua rau nws haum rau ntev - siv PV. Lub hnub ci hluav taws xob tsim nyog yuav tsum raug soj ntsuam rau cov khoom siv hluav taws xob, thermal, ib puag ncig thiab cov khoom siv ntawm cov qauv tsim nyog.
Nyob ntawm tus qauv thiab cov khoom lag luam, cov kev cai no yuav suav nrog:
- tshav ntuj thiab ultraviolet raug
- ozone
- kub siab
- low-kub tuav
- dej los yog noo noo
- nplaim taws nthuav tawm
- mechanical cuam tshuam
- puas
- acids los yog alkaline tshuaj
- ntev - lub sij hawm rwb thaiv tsev deterioration.
Daim ntawv thov kev ua tau zoo yuav tsum raug kuaj xyuas ntawm daim ntawv pov thawj cable thiab daim ntawv qhia kev. Piv txwv li, ib yam khoom yuav tsim nyog rau kev siv sab nraum zoov tab sis tsis ncaj qha faus, thaum lwm yam khoom yuav nqa dej ntxiv -kuj lossis hauv av- kev pom zoo rau kev teeb tsa.
Kev txhim khu kev qha - txheej txheem xaiv pib nrog qhov project, tsis yog kab ntawv teev npe.
Ua ntej thov cov lus hais, sau cov ntaub ntawv hauv qab no.
Target Market:
Txheeb xyuas lub teb chaws thiab cov kev xav tau ntawm qhov project.
Nug:
- Puas yog qhov project tsim los ntawm IEC- lossis EN- raws li lub hauv paus?
- Puas yog UL- teev PV Wire xav tau?
- Lub teb chaws puas xav tau kev pom zoo ntxiv hauv tebchaws?
- Puas yog ib qho tshwj xeeb cable npe sau rau hauv EPC specification?
- Puas yog Kev Tsim Kho Cov Khoom Siv Txheej Txheem Kev faib khoom xav tau rau kev teeb tsa?
- Qhov tsab xov xwm ntawm hluav taws xob code tau txais yuav hauv zos?
Ib lub cable txais nyob rau hauv ib lub lag luam yuav tsis tau txais nyob rau hauv lwm yam.
Qhov System Voltage:
Paub meej:
- Maximum PV array voltage
- inverter siab tshaj DC input voltage
- qhib siab tshaj plaws - Circuit Court voltage nyob rau hauv qhov tsawg kawg nkaus qhov chaw kub
- cable ntsuas voltage
- connector rated voltage
- lwm yam kev txwv voltage txwv.
Lub cable, connector thiab lwm yam DC Cheebtsam yuav tsum haum rau lub system qhov siab tshaj plaws xam voltage. Qhov qis tshaj - cov khoom ntsuas ntsuas tuaj yeem txwv lub voj voog.
Maximum Design Tam sim no:
Txiav txim siab qhov tsim tam sim no siv:
- module luv-circuit tam sim no
- parallel -txoj hlua configuration
- bifacial nce assumptions, qhov twg muaj feem xyuam
- code-yuav tsum muaj yam tam sim no
- ib puag ncig kho yam
- kab ua pab pawg
- tiv thaiv-device coordination
- xav tau kev khiav hauj lwm tej yam kev mob.
Tsis txhob xaiv ib lub cable nkaus xwb vim tus neeg muag khoom piav qhia nws li "30A cable" lossis "50A cable." Tam sim no - nqa peev xwm nyob ntawm seb lub cable raug teeb tsa li cas thiab qhov twg.
Cable Length:
Paub meej tias ib qho - txoj kev ntev ntawm ob lub ntsiab lus txuas.
Qhov hluav taws xob- poob kev suav rau ob - tus neeg xyuas pib DC Circuit Court feem ntau suav rau ob txoj hauv kev zoo thiab tsis zoo tam sim no. Tsis meej pem ib qho - txoj kev ntev nrog tag nrho lub voj voog ntev tuaj yeem ua rau muaj qhov yuam kev loj.
Installation Ib puag ncig:
Cov ntaub ntawv:
- yam tsawg kawg nkaus thiab siab tshaj plaws ambient kub
- xav tau lub ru tsev los yog module-rov qab kub
- ncaj qha tshav ntuj raug
- cable bundling los yog grouping
- cable tais, conduit los yog free -air installation
- dej raug
- underground routing
- tiv nrog hlau vov tsev los yog ntse ntug
- raug tshuaj lom neeg
- nas txaus ntshai
- kev txav ntawm kev taug qab cov tshuab
- hluav taws- kev ua tau zoo.
Connector Paub meej:
Tau txais lub connector manufacturers thiab cov qauv tseeb.
Paub meej:
tso cai tus neeg xyuas pib hla -section
tso cai cable sab nraud txoj kab uas hla
conductor kev tsim kho
qhov loj me
sealing ntau
pom zoo crimping cuab tam
pom zoo tiv tauj
cov lus qhia sib dhos
tso cai mating counterpart.
Kev yuav khoom:
Txhais:
- conductor khoom
- kab loj
- chav kawm voltage
- xav tau tus qauv
- daim ntawv pov thawj issuer
- ntim ntev
- nruas los yog coil yuav tsum tau
- cim hom lus
- xim
- kev kuaj batch
- kev soj ntsuam xyuas
- cov lus xa tuaj
- pob ntaub ntawv.
Solar Cable Standards thiab Market Requirements
Tsis muaj ib daim ntawv pov thawj cable uas tau txaus siab rau txhua lub hnub ci kev lag luam.
Tus tswv txoj haujlwm, tus tsim qauv, EPC tus neeg cog lus, cov cai hauv zos thiab cov cai siv hluav taws xob txiav txim siab seb qhov twg siv tau cable.
Main Solar Cable Frameworks
| Standard los yog npe | Lub luag haujlwm dav dav | Yam kev lag luam cuam tshuam |
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IEC 62930, Ua |
Cov khoom lag luam thoob ntiaj teb rau PV DC cables ntsuas txog 1.5kV DC |
IEC{0}}raws li cov haujlwm thoob ntiaj teb |
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TS EN 50618 / H1Z2Z2-K |
European PV cable txheem thiab harmonized cable tsim |
European thiab EN-cov haujlwm taw qhia |
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UL 4703 PV Hlau |
North American standard rau photovoltaic hlau |
Tebchaws Asmeskas thiab lwm yam UL-cov haujlwm taw qhia |
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PV 1-F |
Cov khoom tsim muaj keeb kwm cuam tshuam nrog TÜV PV cable yuav tsum |
Cov specifications uas twb muaj lawm thiab qee qhov kev lag luam thoob ntiaj teb |
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IEC 62548-1: Cov |
PV- cov kev cai tsim array, suav nrog DC thaiv |
System tsim thiab installation |
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IEC 60364-7-712: Cov |
Cov kev xav tau rau kev teeb tsa hluav taws xob uas muaj cov khoom siv hluav taws xob PV |
Kev tsim kho |
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IEC 62852 (ib.) |
Kev nyab xeeb yuav tsum tau thiab kev ntsuam xyuas rau DC PV connectors |
Connector xaiv thiab compatibility |
IEC 62548-1 chaw nyob PV-array tsim cov cai suav nrog DC thaiv, tiv thaiv hluav taws xob, hloov pauv thiab av. IEC 60364-7-712 hais txog qhov yuav tsum tau ua rau kev teeb tsa hluav taws xob uas tshwm sim los ntawm kev teeb tsa hluav taws xob PV. Daim ntawv tsim nyog thiab kev txais yuav hauv lub tebchaws yuav tsum tau lees paub rau txhua qhov haujlwm.
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IEC 62930, Ua
IEC 62930 siv rau ib leeg -core PV cables nrog ntoo khaub lig- txuas rwb thaiv tsev thiab sheath rau DC sab ntawm photovoltaic systems, nrog rau cov ntsuas hluav taws xob txog li 1.5kV DC.
Tus qauv suav nrog ob qho tib si:
- halogen-dawb, qis- cov kab hluav taws xob
- cables uas yuav muaj halogens.
Yog li ntawd, kev thov ntawm IEC 62930 kev ua raws cai yuav tsum tsis txhob cia li txhais ua pov thawj ntawm txhua qhov kev xaiv ib puag ncig lossis hluav taws kub. Daim ntawv pov thawj thiab cov ntaub ntawv qhia txuj ci yuav tsum hais txog cov khoom siv tiag tiag thiab kev sim ntsuas.
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EN 50618 thiab H1Z2Z2-K
TS EN 50618 Siv tau rau yoog raws, ib leeg - PV fais fab cables nrog ntoo khaub lig- txuas rwb thaiv tsev thiab sheath. BSI piav qhia txog tus qauv raws li kev thov rau qis- pa taws, halogen- cov kab dawb rau DC sab ntawm photovoltaic systems nrog nominal DC voltage ntawm 1.5kV.
Lub npe H1Z2Z2-K yog dav txuam nrog EN 50618-raws li hnub ci cable.
Kev tsim kho H1Z2Z2-K raug suav nrog:
- Class 5 hloov tau tus neeg xyuas pib
- tinned tooj
- hla- txuas rwb thaiv tsev
- hla- txuas sab nraud
- halogen{0}} cov ntaub ntawv dawb
- UV- tiv thaiv sab nrauv.
Txawm li cas los xij, H1Z2Z2-K npav tseem yuav tsum tau kuaj xyuas daim ntawv pov thawj, cov chaw tsim khoom thiab cov cim ntau lawm.
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UL 4703 PV Hlau
UL 4703 yog North American tus qauv rau photovoltaic hlau. UL Solutions piav qhia UL 4703 raws li tus qauv rau PV Hlau thiab txheeb xyuas lub hnub ci tiv thaiv yog ib qho tseem ceeb ntawm cov khoom lag luam.
Rau ib txoj haujlwm North American, cov neeg yuav khoom yuav tsum tsis txhob xav tias EN 50618 lossis IEC 62930 daim ntawv pov thawj ib leeg txaus siab rau qhov project. Daim ntawv teev cov khoom tsim nyog thiab hauv zos tau txais yuav National Electrical Code yuav tsum tau lees paub.
NFPA piav qhia NEC ua tus qauv ntsuas rau kev nyab xeeb hluav taws xob tsim, teeb tsa thiab tshuaj xyuas. Kev txais yuav thiab kev hloov kho ntawm NEC tuaj yeem sib txawv raws li kev txiav txim, yog li txoj cai tswjfwm muaj cai yuav tsum tau sab laj.
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Certification Body vs Product Standard
Cov ntsiab lus no yuav tsum tsis txhob sib xyaw ua ke:
- IEC, EN thiab UL cov ntaub ntawv tuaj yeem txheeb xyuas cov khoom lossis cov qauv ntsuas.
- TÜV Rheinland, TÜV SÜD, UL Solutions thiab lwm lub koom haum tuaj yeem muab cov kev pabcuam kuaj thiab ntawv pov thawj.
- Daim ntawv pov thawj sau cov khoom lag luam uas tau txheeb xyuas raws li cov kev xav tau tshwj xeeb.
- Daim ntawv tshaj tawm kev xeem sau cov qauv kuaj, cov qauv thiab cov txiaj ntsig kev xeem.
- Daim ntawv tshaj tawm ntawm kev ua raws cai yog ib txwm muab los ntawm cov chaw tsim khoom lossis tus neeg muag khoom lub luag haujlwm.
"TÜV cable" yog li ntawd tsis yog ib qho kev qhia ua tiav. Tus neeg yuav khoom yuav tsum nug:
Cov lus nug txog kev yuav khoomMuaj ntawv pov thawj los ntawm lub koom haum twg, tawm tsam tus qauv twg, rau lub Hoobkas twg, cov qauv khoom thiab qhov loj me?
PV1-F, H1Z2Z2-K thiab UL PV Wire Txheej txheem cej luam
PV1-F, H1Z2Z2-K thiab UL PV Hlau feem ntau sib tham ua ke, tab sis lawv yuav tsum tsis txhob raug kho raws li cov ntawv sib hloov.
PV1-F tau dhau los siv dav hauv thoob ntiaj teb PV specifications los ntawm TÜV Rheinland cov kev xav tau ntawm photovoltaic-cable, suav nrog 2 PfG 1169 specification tsev neeg.
TÜV cov ntaub ntawv txheeb xyuas 2 PfG 1169 raws li kev xav tau rau cov cables siv hauv cov tshuab hluav taws xob photovoltaic. Yav dhau los TÜV cov ntaub ntawv tseem hais txog PV cable kuaj raws li 2 PfG 1169/08.2007.
PV1-F tseem tuaj yeem tshwm sim hauv:
- qub EPC specifications
- cov nroj tsuag hnub ci uas twb muaj lawm
- distributor catalogs
- hloov kev txiav txim
- cov ntaub ntawv kev yuav khoom hauv cheeb tsam.
Tus neeg yuav khoom yuav tsum tsis txhob tso tseg lossis lees txais PV1-F raws li lub npe ib leeg. Txheeb xyuas daim ntawv pov thawj tam sim no, siv cov ntawv qhia tshwj xeeb, ntsuas qhov hluav taws xob, qhov ntau thiab tsawg thiab qhov kev lees txais.
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H1Z2Z2-K
H1Z2Z2-K feem ntau tau teev tseg rau cov haujlwm tshiab EN 50618-oriented.
Piv nrog qhov yooj yim "PV1-F vs H1Z2Z2-K" kev sib piv, cov lus nug txog kev yuav khoom yog:
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Cov lus nug txog kev yuav khoomLub npe cable twg thiab daim ntawv pov thawj yuav tsum tau ua los ntawm txoj haujlwm tam sim no thiab lub hom phiaj kev lag luam? |
H1Z2Z2-K feem ntau xaiv vim nws muab EN-oriented khoom tsim thiab dav dav hauv 1.5kV DC systems.
UL PV Wire yog tsim los rau cov haujlwm uas xav tau North American PV Wire qeb.
Cov khoom cim, ntsuas qhov ntsuas hluav taws xob, kev tsim kho tus neeg xyuas pib thiab kev pom zoo siv yuav tsum raug kuaj xyuas hauv UL daim ntawv pov thawj database thiab cov ntaub ntawv ua haujlwm.
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Kev sib piv
|
Yam khoom |
PV 1-F |
H1Z2Z2-K |
UL PV hlau |
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Cov ntsiab lus tseem ceeb |
TÜV PV cable specification tsev neeg |
TS EN 50618 |
TIAB SA 4703 |
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Kev siv |
Existing thiab regional thoob ntiaj teb specifications |
European thiab EN-cov haujlwm taw qhia |
North American tej yaam num |
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Khoom npe |
PV 1-F |
H1Z2Z2-K |
Photovoltaic Hlau / PV Hlau |
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Xaiv lub hauv paus |
Daim ntawv pov thawj thiab qhov project txais |
EN daim ntawv pov thawj thiab qhov project specification |
UL daim ntawv teev npe thiab hluav taws xob hauv zos |
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Nws puas tuaj yeem suav tias sib npaug? |
Tsis muaj |
Tsis muaj |
Tsis muaj |
Qhov kev xaiv raug tsis yog txiav txim siab los ntawm qhov kev xaiv twg zoo dua los yog paub ntau dua. Nws raug txiav txim los ntawm kev ua raws li qhov yuav tsum tau ua kom tiav.
Solar Cable Size Xaiv
Cable loj yog ib txwm qhia raws li tus neeg xyuas pib hla- ntu ntu hauv square millimeters lossis raws li AWG loj.
Ib qho metric hnub ci hnub ci - cable loj muaj xws li:
- 2.5 mm² os
- 4mm qw
- 6mm 2 kwg
- 10 mm² os
- 16mm 200000000000000 00000000000000000000000000000000000000000000000000000000000000000000000;
- loj engineered qhov ntau thiab tsawg rau lub ntsiab DC khiav.
Ib qhov loj me me uas tsim nyog yuav tsum txaus siab tsawg kawg yog ob qho kev kuaj cais:
1. Tam sim no - nqa peev xwm
2. Voltage-tso kev ua haujlwm
Nws kuj yuav tsum tau sib xws nrog:
- cov khoom sib txuas
- cov davhlau ya nyob twg
- cov kab mob
- routing systems
- khoov- qhov xav tau ntawm lub voj voog
- mechanical installation txwv.
Basic Xaiv Logic
Tus neeg xyuas pib loj dua feem ntau muaj hluav taws xob qis dua.
Kev tiv thaiv qis ib txwm txhais tau tias:
- qis voltage poob
- qis resistive zog poob
- tsawg tus neeg xyuas pib cua sov ntawm tib lub tam sim no
- txhim kho kev ua tau zoo ntawm txoj kev ntev.
Txawm li cas los xij, lub cable loj dua kuj txhais tau tias:
- tus nqi khoom ntau dua
- hnyav dua
- loj dua sab nraud
- ib tug loj yam tsawg kawg nkaus dabtsi yog khoov vojvoog
- nyuaj routing
- ua tau connector incompatibility
- cov nruas loj thiab cov nqi thauj khoom ntau dua.
Qhov zoo tshaj plaws cable yog li ntawd tsis yog ib txwm muaj qhov loj tshaj plaws cable. Nws yog qhov tsawg tshaj plaws raws li cable uas ua tau raws li txhua yam khoom siv hluav taws xob, khoom siv hluav taws xob, ib puag ncig thiab kev lag luam nrog cov qauv tsim nyog.
Tam sim no muaj peev xwm thiab Voltage poob
Tam sim no lub peev xwm thiab qhov hluav taws xob poob muaj feem cuam tshuam, tab sis lawv tsis yog tib qho kev suav.
Tam sim no -Kev Muaj Peev Xwm
Tam sim no - nqa lub peev xwm yog qhov siab tshaj plaws txuas ntxiv tam sim no tus neeg xyuas pib tuaj yeem nqa tau raws li cov xwm txheej tau hais tseg yam tsis pub dhau nws qhov kev tso cai ua haujlwm kub.
Tus nqi tso cai tuaj yeem hloov nrog:
- tus neeg xyuas pib hla-section
- conductor khoom
- rwb thaiv tsev kub ntsuas
- ambient kub
- installation nyob rau hauv huab cua los yog conduit
- installation ntawm ib qhov chaw
- kab ua pab pawg
- qhov cua
- qhov sib thooj rau kub modules los yog ru tsev
- tus naj npawb ntawm loaded conductors
- siv tau tus qauv installation.
Qhov no yog vim li cas universal internet kab kos piav qhia txog 4mm² hnub ci cable raws li "rated rau X amps raws nraim" tuaj yeem ua yuam kev.
Cov txheej txheem raug yog:
- xam cov qauv tsim tam sim no;
- txheeb xyuas lub cable lub hauv paus ntsuas tam sim no raws li tus qauv siv tau;
- siv qhov ntsuas kub thiab kev teeb tsa kho kom raug;
- sib piv qhov kho qhov ntsuas cable nrog cov qauv tsim tam sim no;
- tswj cov cable nrog kev tiv thaiv overcurrent thiab cov khoom siv txuas nrog.
Voltage poob
Voltage poob yog qhov txo qis hauv qhov hluav taws xob los ntawm tus neeg xyuas pib ua haujlwm thaum lub sijhawm tam sim no ntws.
Plaub yam tseem ceeb cuam tshuam txog kev poob qis:
kab ntev
tam sim no
tus neeg xyuas pib loj
conductor khoom.
Cables ntev dua thiab siab dua tam sim no nce voltage poob. Tus neeg xyuas pib loj dua txo nws, thaum tooj liab muaj kev tiv thaiv qis dua li txhuas rau tib qho chaw hla -sectional cheeb tsam.
Ib qho tseem ceeb ua ntej -pass DC formula yog:
ΔV = (2 × L × I × ρ) / S
|
Cim |
Lub ntsiab lus |
|
ΔV |
Voltage poob hauv volts |
|
L |
Ib - txoj kab ntev hauv meters |
|
I |
Circuit Court tam sim no nyob rau hauv amperes |
|
ρ |
Tus neeg xyuas pib resistivity |
|
S |
Tus neeg xyuas pib hla-sectional cheeb tsam hauv mm² |
|
2 |
Txoj kev zoo thiab tsis zoo conductor |
Voltage poob (%)=(ΔV / system khiav hauj lwm voltage) × 100
Qhov kev sib npaug yooj yim no muaj txiaj ntsig zoo rau kev sib piv ua ntej. Kev tsim kho zaum kawg yuav tsum siv cov chaw tsim khoom qhov siab tshaj plaws tus neeg xyuas pib, kev ua haujlwm kub, kev teeb tsa thiab cov qauv tsim nyog.
Cov lus piav qhia Voltage-Top Example
Cov kev xav: 30 m ib - txoj kev, 12 A Circuit Court tam sim no, 600 V DC kev khiav hauj lwm voltage, tooj liab resistivity ntawm 0.0175 Ω·mm² / m rau kev sib piv ua ntej, tsis muaj kev hloov kho kub.
|
Cable loj |
Muab xam voltage poob |
Feem pua ntawm 600 V |
|
4mm qw |
3.15 V |
0.525% |
|
6mm 2 kwg |
2.10 V |
0.35% |
|
10 mm² os |
1.26 V |
0.21% |
|
xam txwvQhov piv txwv no piv rau qhov poob qis xwb. Nws tsis ua pov thawj tias tag nrho peb qhov ntau thiab tsawg txaus siab tam sim no muaj peev xwm, qhov kub thiab txias, connector compatibility lossis cov kev cai hauv zos. |
4mm², 6mm² thiab 10mm² Solar Cable
Peb qhov loj me no feem ntau muab pivvim tias lawv npog ntau thaj chaw, kev lag luam thiab kev siv hluav taws xob -txog DC cable daim ntawv thov.
4mm² Hnub Ci Cable
4mm² cable feem ntau xav txog rau:
- luv module- hlua txuas
- nyob hauv PV systems
- qis dua - circuits tam sim no
- txoj kev uas voltage poob tseem txais tau
- connectors tsim rau 4mm² conductors.
Qhov zoo
- qis conductor nqi
- qis zog
- me me sab nraud
- yooj yim tuav thiab routing
- dav connector muaj.
Kev txwv
- siab tsis kam tshaj 6mm² lossis 10mm²
- ntau dua qhov hluav taws xob poob ntawm txoj kev ntev
- tsawg dua thermal margin raws li xav tau
- tej zaum yuav ua tsis tau zoo thaum cov cables raug pab los yog raug rau qhov kub thiab txias.
- 6mm² Hnub Ci Cable
- 6mm² cable feem ntau xav txog rau:
- txoj hlua ntev dua
- coj mus muag rooftop systems
- tej yaam num nrog qis voltage-poob hom phiaj
- siab dua -tam sim no module technologies
- kev teeb tsa yuav tsum tau ntxiv tam sim no lossis thermal margin.
6mm² Hnub Ci Cable
Qhov zoo
- qis tsis kam tshaj 4mm²
- txo voltage poob
- dav siv ntau yam
- feem ntau txhawb los ntawm PV connectors.
Kev txwv
- tus nqi siab dua thiab qhov hnyav
- txoj kab uas hla loj dua
- tej zaum yuav xav tau ib tug txawv connector tiv tauj los yog foob
- tsis tshem tawm qhov xav tau ntawm kev suav.
- 10mm² Hnub Ci Cable
- 10mm² cable yuav raug txiav txim siab rau:
- ntev DC txoj kev
- siab dua - circuits tam sim no
- combiner{0}}rau-inverter kev sib txuas
- tej yaam num nrog nruj poob lub hom phiaj
- engineered DC feeder daim ntaub ntawv.
10mm² Hnub Ci Cable
Qhov zoo
- qis kuj
- txo voltage poob
- txhim kho tam sim no - nqa peev xwm nyob rau hauv cov xwm txheej zoo sib xws.
Kev txwv
- tus nqi khoom ntau dua
- loj khoov vojvoog
- yooj yim installation
- tsawg dua tus qauv module- cov kev xaiv txuas
- muaj kev pheej hmoo ntau dua ntawm kev tsis sib haum nrog cov ntsaws ruaj ruaj, qog thiab cov terminals
- kev thauj mus los ntau dua thiab nruas- tus nqi tuav.
Kev sib piv ua ntej
| Xaiv yam |
4mm qw
|
6mm 2 kwg
|
10mm² os
|
| Txoj hlua luv khiav |
Feem ntau xav txog |
Haum tab sis tej zaum yuav oversized |
Feem ntau tsis tsim nyog tshwj tsis yog xav tau |
| Txoj kev ntev dua |
Voltage poob yuav dhau los ua kev txwv |
Hom kev xaiv |
Muaj zog voltage- poob kev ua haujlwm |
| Installation yooj |
Siab |
Nruab nrab mus rau siab |
qis |
| Connector muaj |
Dav |
Dav |
Yuav tsum tau kuaj xyuas kom zoo |
| Khoom siv |
Tsawg kawg ntawm peb |
Nruab nrab |
Siab tshaj |
| Voltage poob ntawm qhov sib npaug tam sim no thiab ntev |
Siab tshaj |
qis |
qis tshaj |
| Kev xaiv los ntawm tus cwj pwm txais tau? |
Tsis muaj |
Tsis muaj |
Tsis muaj |
Tinned Copper, Aluminium thiab Cable Khoom
Tinned -Copper Conductors
Tinned tooj liab yog dav siv nyob rau hauv saj zawg zog solar cables.
Tus neeg xyuas pib muaj tooj liab strands nrog nyias tin txheej. Nyob ntawm cov khoom tsim, qhov no tuaj yeem txhawb nqa:
- corrosion kuj
- ruaj khov strand nto
- hloov tau tus neeg xyuas pib tsim
- compatibility nrog pom zoo crimp hu
- ntev - siv sijhawm nyob rau hauv ib puag ncig xav tau.
Ntau H1Z2Z2-K cov khoom lag luam qhia txog Class 5 tinned-copper conductors raws li IEC 60228.
Tinned tooj liab tsis ua rau ib tug cable txiav raws. Lub cable ua tiav yuav tsum tseem ua tau raws li cov khoom siv hluav taws xob, khoom siv thiab ib puag ncig.
Tooj liab
Cov tooj liab liab tuaj yeem siv rau hauv qee cov qauv cable lossis cov khoom tsim khoom.
Cov neeg yuav khoom yuav tsum tsis txhob xav tias cov tooj liab liab ib txwm tsis zoo los yog cov tinned tooj liab yog qhov yuav tsum tau ua. Qhov kev txiav txim siab yuav tsum yog nyob ntawm:
- siv tau tus qauv
- daim ntawv pov thawj Scope
- ib puag ncig tej yam kev mob
- conductor kev tsim kho
- terminal tsim
- kev pheej hmoo corrosion
- cov neeg siv khoom specification.
Aluminium thiab Aluminium -Alloy Conductors
Aluminum has lower density and lower raw-material cost than copper, but it also has higher electrical resistance for the same cross-sectional area.
Ib qho txhuas tus neeg xyuas pib feem ntau yuav tsum muaj tus ntoo khaub lig loj dua -section tshaj tooj liab los muab kev sib piv hluav taws xob.
Aluminium hnub ci cable tuaj yeem txiav txim siab hauv cov ntawv thov kev tsim kho, tshwj xeeb yog qhov hnyav thiab tus nqi hluav taws xob tseem ceeb. Txawm li cas los xij, nws yuav tsum tsis txhob hloov ncaj qha rau tooj liab cable yam tsis tau tshuaj xyuas:
- tus neeg xyuas pib loj
- muaj peev xwm tam sim no
- hluav taws xob poob
- connector los yog lug pom zoo
- galvanic compatibility
- oxidation tswj
- txoj kev txiav txim
- yam tsawg kawg nkaus khoov vojvoog
- tus cwj pwm tensile
- kab qauv
- qhov kev lees txais.
TÜV Rheinland cov khoom lag luam tam sim no- daim ntawv pov thawj muaj xws li ib qho kev qhia tshwj xeeb rau cov hluav taws xob cables nrog txhuas- cov khoom siv hluav taws xob siv hauv cov tshuab hluav taws xob photovoltaic. Qhov no txhawb ntxiv tias aluminium PV cable xav tau nws tus kheej cov qauv tsim thiab ntawv pov thawj es tsis yog kho raws li kev hloov khoom ncaj qha.
Rwb thaiv tsev thiab cov ntaub ntawv sheath
Niaj hnub nimno PV cables feem ntau siv ntoo khaub lig- txuas cov khoom siv polymer.
Cov yam ntxwv muaj peev xwm muaj xws li:
- siab -kev ua haujlwm kub
- UV tsis kam
- ozone tsis kam
- nplaim tsis kam
- low-kev coj cwj pwm haus luam yeeb
- halogen{0}}kev tsim kho dawb
- abrasion tsis kam
- tiv taus dej, acids lossis alkaline tshuaj.
Cov lus "XLPE," "cross-linked," "halogen-free" lossis "UV-}resistant" yuav tsum tsis txhob lees txais ua pov thawj txaus los ntawm lawv tus kheej. Kev tshuaj xyuas:
- npe khoom
- xeem txheem
- daim ntawv pov thawj
- cov ntaub ntawv technical
- ntsuas kub
- kev txwv kev teeb tsa.
Cable thiab Connector Compatibility
Ib lub hnub ci hluav taws xob tuaj yeem ua tau raws li qhov loj me ntawm hluav taws xob thiab tseem tsis tsim nyog rau cov khoom sib txuas xaiv.
Compatibility yuav tsum tau soj ntsuam raws li ib tug system.
Tsib qhov tseem ceeb Compatibility Checks
1. Tus neeg xyuas pib hla-Section
Lub connector tiv tauj yuav tsum tau pom zoo rau lub cable loj.
Lub davhlau ya nyob twg tsim rau 4mm² lossis 6mm² yuav tsis lees txais 10mm² tus neeg xyuas pib.
2. Kab Sab Nrauv Kab
Lub tsho cable yuav tsum haum rau cov khoom sib txuas.
Tib lub nominal 6mm² tus neeg xyuas pib tuaj yeem muab nrog cov kab sib txawv sab nraud vim qhov sib txawv hauv:
- rwb thaiv tsev thickness
- sheath thickness
- cov ntaub ntawv formulation
- kev kam rau ua
- dej-kev tiv thaiv kev tsim kho
- mechanical tiv thaiv.
Ib lub cable sab nraum lub connector lub sealing ntau yuav ua tau ib tug unreliable ib puag ncig foob.
Piv txwv li, ib qho khoom sib txuas Stäubli qhia txog 4mm² thiab 6mm² tus neeg xyuas pib qhov ntau thiab tsawg nrog cov kab hluav taws xob sab nraud - txoj kab uas hla ntawm 5.4-7.6mm. Qhov no yog ib qho khoom lag luam - piv txwv tshwj xeeb, tsis yog txoj cai txuas thoob ntiaj teb
3. Tus coj kev tsim kho
Kev sib cuag yuav tsum sib haum nrog:
- chav kawm tus thawj coj
- strand suav
- txoj kab uas hla
- tinned los yog liab qab tooj liab
- aluminium, qhov twg siv..
4. Tiv tauj thiab Crimp Tool
Siv cov kev sib cuag, crimping tuag thiab cov cuab yeej sib dhos pom zoo los ntawm cov chaw tsim khoom txuas.
Lub qhov muag kaw crimp tsis yog pov thawj ntawm kev sib raug zoo. Cov cuab yeej tsis raug tuaj yeem ua rau:
- compression tsis tiav
- puas strands
- kev tiv thaiv ntau dhau
- overheating
- txo rub- tawm lub zog
- tsis ruaj khov ntev - kev ua tau zoo.
5. Connector Chaw Tsim Tshuaj thiab Tsev Neeg Khoom
Tsis txhob xav tias cov khoom sib txuas tau piav qhia tias yog "MC4-tshaj" tuaj yeem muaj kev nyab xeeb hla kev sib raug zoo nrog lwm tus neeg tsim khoom cov khoom lag luam.
IEC 62852 suav nrog kev nyab xeeb thiab kev ntsuas rau cov khoom sib txuas siv hauv DC photovoltaic circuits ntawm cov ntsuas hluav taws xob txog li 1.5kV DC. IEC kuj tau luam tawm tsab ntawv tshaj tawm tshwj xeeb hais txog kev tsis sib haum xeeb ntawm DC PV connectors ua los ntawm cov tuam txhab sib txawv.
Stäubli hais tias hla- cov khoom sib txuas sib txuas los ntawm cov tuam txhab sib txawv tuaj yeem tsim kev kam rau siab, khoom siv thiab kev sib cuag- quab yuam tsis sib xws, muaj peev xwm ua rau muaj kev tawg, tawg thiab tiv thaiv kev sib cuag. Nws pom zoo mating connectors los ntawm tib lub chaw tsim khoom thiab cov khoom pom zoo tsev neeg ..
Connector Compatibility Checklist
Ua ntej pom zoo rau kev sib txuas ntawm cable thiab connector, xyuas:
- connector manufacturers
- connector qauv
- txiv neej thiab poj niam khoom tsev neeg
- tus neeg xyuas pib- qhov loj me
- kab sab nraud - txoj kab uas hla
- conductor khoom
- chav kawm tus thawj coj
- hu rau tus xov tooj
- crimp cuab tam
- crimp tuag
- stripping ntev
- sib dhos torque, qhov twg muaj feem xyuam
- rub- tawm qhov kev xeem yuav tsum tau ua
- IP ntsuam xyuas tom qab sib dhos
- module thiab inverter cov lus qhia.
UV, Thaum tshav kub kub, dej thiab kev teeb tsa
Kev teeb tsa ib puag ncig tuaj yeem txiav txim siab seb lub cable puas muaj kev ntseeg siab ntawm qhov project lub neej.
-
UV thiab Sunlight
PV cables ntsia tom qab lossis nruab nrab ntawm cov modules tuaj yeem ntsib ntev -lub hnub ci thiab UV raug.
Xyuas kom paub tseeb tias daim ntawv pov thawj cable lossis daim ntawv qhia kev qhia tshwj xeeb txhawb qhov kev xav sab nraum zoov. Tsis txhob cia siab rau lub tsho dub xim ua pov thawj ntawm UV tsis kam.
-
Kub
Cov kab hluav taws xob hnub ci tuaj yeem ua haujlwm ze:
kub module backsheets
hlau ru tsev
tsis zoo ventilated conduits
pawg kab bundles
inverter los yog combiner enclosures.
IEC 62930 qhia txog qhov kub thiab txias ntawm tus neeg xyuas pib ntawm 90℃thiab txwv lub sijhawm ua haujlwm ntawm 120 degree. Qhov no tsis txhais hais tias lub cable yuav tsum niaj hnub tsim los ua haujlwm ntawm 120 degree.
Kub ambient kub txo qhov muaj peev xwm tam sim no - nqa. Yog li ntawd, kev kho qhov kub thiab txias yuav tsum tau suav nrog thaum qhov loj me.
-
Tsawg kub
Cov huab cua txias cuam tshuam rau:
cable yooj
installation tuav
yam tsawg kawg bending radius
tiv thaiv kom tawg
connector sealing.
Paub meej tias ob qho tib si:
yam tsawg kawg nkaus ua haujlwm kub
yam tsawg kawg nkaus installation thiab tuav kub.
Tej zaum lawv yuav txawv.
-
Dej raug
"Dej-resistant" tuaj yeem piav qhia ntau theem ntawm kev ua haujlwm.
Tej yam tshwm sim muaj xws li:
qee zaus los nag
condensation
lub cev ntub dej
kev raug dej ib ntus
kev ruaj ntseg submersion
dej tshiab
dej ntsev
dej pressurized
ncaj qha faus rau hauv av ntub.
Ib yam khoom pom zoo rau kev raug sab nraum zoov ib txwm tsis tau txais kev pom zoo rau kev tso dej mus tas li.
Qee cov xov tooj hluav taws xob tshwj xeeb muaj AD8 ntxiv lossis dej- tawm tsam kev thov. LAPP, piv txwv li, txheeb xyuas cov khoom lag luam- cov qauv siv hnub ci tshwj xeeb rau submersion mus tas li hauv cov dej ntiav, tsis muaj kab mob raws li kev cai. Cov ntawv thov no siv rau cov khoom lag luam, tsis yog tag nrho H1Z2Z2-K cables.
-
Kev teeb tsa hauv av
Tsis txhob xav tias txhua lub hnub ci cable tuaj yeem faus ncaj qha.
Cov txheej txheem tau pom zoo yuav suav nrog:
kav dej
kab trench
xuab zeb txaj
tiv thaiv kab mob
armored kab
khoom tshwj xeeb cim rau faus ncaj qha.
Ib lub hnub ci hluav taws xob tuaj yeem dhau qhov cuam tshuam thiab crushing kev sim rau kev tiv thaiv hauv av tab sis tseem tsis tau pom zoo rau kev faus ncaj qha. Ib txwm ua raws li cov ntaub ntawv qhia txog kev siv tshuab thiab kev teeb tsa hauv zos.
-
Mechanical Protection
Cables yuav tsum tau tiv thaiv los ntawm:
ntse hlau npoo
tsis txhawb nqa dai
lub zog rub ntau dhau
crushing
cable ties uas ua puas lub sheath
nruam nruam ntawm connectors
nas ua si
rov qab tracker txav
tiv nrog cov tshuaj incompatible.
Qhov tseeb cable specification tsis tuaj yeem them rau kev teeb tsa tsis zoo.
Yuav Ua Li Cas Txheeb Xyuas Solar Cable Certification
Ib daim ntawv pov thawj luam ntawv, ntawv pov thawj logo lossis catalog nqe lus tsis txaus
Siv cov txheej txheem pov thawj hauv qab no
Kauj Ruam 1: Qhia tus neeg muab ntawv pov thawj
Paub meej tias cov ntaub ntawv tau muab los ntawm:
- TUV Rheinland
- TÜV SÜD
- UL Solutions
- lwm lub koom haum lees paub los yog kev xeem
- lub teb chaws ntawv pov thawj lub cev.
Kauj Ruam 2: Xyuas daim ntawv pov thawj naj npawb
Tus naj npawb daim ntawv pov thawj yuav tsum paub meej thiab tshawb nrhiav tau.
Rau TÜV Rheinland daim ntawv pov thawj, cov cim xeem yuav suav nrog tus ID tshwj xeeb uas tuaj yeem kuaj xyuas hauv Certipedia. TÜV hais tias kev nkag mus rau cov ntaub ntawv tseeb yuav tsum tso cov khoom npe, qauv thiab cov ntaub ntawv pov thawj.
UL Solutions teev cov ntawv pov thawj PV cables hauv Product iQ, qhov twg cov neeg siv tuaj yeem tshawb xyuas cov khoom thiab cov ntaub ntawv pov thawj.
Kauj Ruam 3: Tshawb xyuas Daim Ntawv Pov Thawj
Sib piv tus tuav daim ntawv pov thawj nrog:
- lub tuam txhab muab khoom
- tsim tawm
- Hoobkas
- invoice issuer
- khoom cim
- ntim
- daim ntawv xeem.
Lub tuam txhab lag luam tuaj yeem muag cov ntawv pov thawj cable tsim los ntawm lwm lub tuam txhab, tab sis kev sib raug zoo yuav tsum tau pob tshab thiab traceable.
Kauj Ruam 4: Xyuas cov khoom qauv
Daim ntawv pov thawj yuav tsum them rau cov tsev neeg cov khoom raug yuav.
Ib daim ntawv pov thawj rau ib lub cable series yuav tsum tsis txhob siv los txhawb ib lub cable sib txawv nrog:
- lwm cov khoom siv rwb thaiv tsev
- lwm yam khoom siv conductor
- lwm qhov ntsuas hluav taws xob
- lwm lub Hoobkas
- lwm lub npe khoom.
Kauj Ruam 5: Tshawb xyuas daim ntawv pov thawj naj npawb
Paub meej tias qhov kev txiav txim loj ntawm tus neeg xyuas pib suav nrog.
Daim ntawv pov thawj npog 2.5-6mm² tsis tuaj yeem npog 10mm² lossis 16mm².
Kauj Ruam 6: Txheeb xyuas tus qauv thiab tsab ntawv
Tshawb xyuas:
- tus qauv raws nraim
- tus lej specification
- tsab los yog hnub tim
- kev hloov kho
- qhov ntsuas voltage
- npe khoom
Kauj ruam 7: Txheeb xyuas qhov xwm txheej tam sim no
Paub meej tias daim ntawv pov thawj tsis tau:
- thim tawm
- raug tshem tawm
- xaus
- hloov
- txwv.
Kauj Ruam 8: Tshawb xyuas Cable Marking
Cov kab ntau lawm yuav tsum qhia cov ntaub ntawv xav tau ntawm lub sijhawm tsim nyog, xws li:
- tsim tawm
- yam khoom
- kab loj
- ntsuas voltage
- txheem
- daim ntawv pov thawj los yog tus lej
- batch los yog ntau lawm traceability, qhov twg teev.
Kauj Ruam 9: Tshawb xyuas Daim Ntawv Pov Thawj
Rau kev txiav txim B2B, xav txog kev thov:
- daim ntawv pov thawj
- cov ntaub ntawv tam sim no
- cov ntaub ntawv technical
- tshaj tawm ntawm kev ua raws cai
- hom-cov ntawv xeem lossis cov ntsiab lus tseem ceeb
- Hoobkas xeem tsab ntawv ceeb toom
- batch traceability
- packing lis
- kev tshuaj xyuas.
Dab tsi txiav txim siab Solar Cable Nqe?
Hnub ci cable nqi yog cuam tshuam los ntawm ntau tshaj tus neeg xyuas pib loj.
1. Cov khoom siv hluav taws xob
Tooj liab feem ntau yog cov khoom siv loj tshaj plaws - tus nqi tivthaiv.
Tus nqi tuaj yeem cuam tshuam los ntawm:
- tooj liab benchmark
- tinned - tooj liab hwm
- conductor hnyav
- tus neeg xyuas pib hla-section
- kev kam rau ua
- tooj liab tus nqi hloov hnub.
Aluminium tuaj yeem txo qhov hnyav ntawm tus neeg xyuas pib thiab cov khoom siv raw- tus nqi, tab sis tej zaum yuav xav tau ntau dua - ntu thiab txiav tawm sib txawv.
2. Tus neeg tsav tsheb tiag tiag -Section
Ib txoj kab hluav taws xob yuav tsum ua tau raws li hluav taws xob- kev tiv thaiv thiab kev tsim kho ntawm tus qauv siv tau.
Cov neeg yuav khoom yuav tsum tsis txhob sib piv cov lus tsuas yog luam tawm "4mm²" lossis "6mm²" daim ntawv lo. Sib piv:
- conductor kuj
- conductor kev tsim kho
- qhov hnyav tiag tiag
- daim ntawv pov thawj
- kev kam rau ua.
3. Rwb thaiv tsev thiab Sheath Compounds
Siab dua -kev ua tau zoo hla- cov ntaub ntawv txuas tuaj yeem cuam tshuam:
- UV tsis kam
- ntsuas kub
- hluav taws cwj pwm
- qis- ua pa luam yeeb
- dej tsis kam
- mechanical durability
- tus nqi ua.
4. Daim ntawv pov thawj
Cov nqi ntawv pov thawj tuaj yeem suav nrog:
- kuaj cov khoom
- kev soj ntsuam Hoobkas
- kev soj ntsuam txhua xyoo
- kev saib xyuas daim ntawv pov thawj
- kev ua lag luam-kev tso cai tshwj xeeb
- qhov loj ntxiv extensions.
Kev hais lus tsawg heev yuav tsis suav nrog cov ntawv pov thawj xav tau rau lub khw muag khoom.
5. Cable Loj
Nyob rau tib yam kev tsim kho thiab kev txiav txim:
6mm² feem ntau siv cov khoom siv hluav taws xob ntau dua li 4mm²
10mm² siv cov khoom siv hluav taws xob ntau dua li 6mm².
Tus nqi sib txawv tsis yog txiav txim los ntawm tus neeg xyuas pib qhov hnyav ib leeg vim tias rwb thaiv tsev, ntim khoom, ceev ceev thiab kev txiav txim ntim kuj tseem ceeb.
6. Order Quantity
Tus nqi yuav txawv ntawm:
- tus qauv kom muaj nuj nqis
- ib coil
- pallet kom muaj nuj nqis
- puv nruas
- puv - thawv xaj
- Daim ntawv cog lus muab khoom txhua xyoo.
7. Ntim
Tus nqi tuaj yeem cuam tshuam los ntawm:
- 100m kab
- 500 m drum
- 1,000 m drums
- ntoo nruas
- plywood drums
- export fumigation xav tau
- cov ntawv ntiag tug
- barcode thiab pallet yuav tsum.
8. Preassembled Connectors
Factory-tawm cable sib dhos suav nrog cov nqi ntxiv rau:
- cov khoom sib txuas
- kev sib cuag
- crimping
- kev sib dhos
- kev kuaj hluav taws xob
- polarity tswj
- daim ntawv lo
- ntim.
9. Kev kuaj thiab tshuaj xyuas
Cov kev xav tau ntxiv yuav suav nrog:
- pov thawj Hoobkas kuaj
- thib peb- tog tshuaj ntsuam xyuas
- tus neeg xyuas pib-kev ntsuas ntsuas
- qhov ntsuas qhov ntsuas
- kos npe pov thawj
- ntim tshuaj xyuas
- ua ntej - qauv xa khoom.
10. Cov ntsiab lus xa tuaj
Sib piv cov nqe lus ntawm tib lub hauv paus kev lag luam:
- EXW
- FOB
- CFR
- CIF
- DDP, qhov twg muaj.
Tus nqi EXW qis dua yuav tsis tsim cov nqi xa khoom qis dua.
Yuav Ua Li Cas Ntsuas Tus Neeg Siv Hluav Taws Xob Hluav Taws Xob
Tus neeg tsim khoom tsim nyog yuav tsum muaj peev xwm ua kom pom kev tswj xyuas cov khoom, txheej txheem tsim khoom thiab cov ntaub ntawv.
1. Cov khoom muaj peev xwm
Xyuas seb tus neeg muag khoom puas tuaj yeem tsim lossis muab khoom:
xav tau cable design
qhov yuav tsum tau muaj
xav tau voltage ntsuas
xav tau xim
tooj liab los yog pom zoo aluminium tsim
dej tshwj xeeb- tiv taus lossis kab hauv av
preassembled cable sets.
2. Daim ntawv pov thawj Scope
Tshawb xyuas:
tus tuav daim ntawv pov thawj
Hoobkas qhov chaw
khoom series
tus neeg xyuas pib- qhov loj me
conductor khoom
qhov ntsuas voltage
siv tau tus qauv
xwm txheej tam sim no.
3. Manufacturing Control
Kev ntsuam xyuas lub Hoobkas tuaj yeem tshuaj xyuas:
tus neeg xyuas pib strand
tswj tinning
rwb thaiv tsev extrusion
sheath extrusion
hla -txoj kev txuas
online diam tswj
txim taws kuaj
luam ntawv thiab cim
nqa - thiab ntim
nonconforming -cov khoom tswj.
4. Lub Chaw Ua Haujlwm Zoo
Nug seb lub Hoobkas puas tuaj yeem kuaj lossis kuaj xyuas:
conductor kuj
rwb thaiv tsev tsis kam
voltage tiv taus
conductor qhov ntev
rwb thaiv tsev thickness
sheath thickness
sab nraud txoj kab uas hla
tensile zog
elongation
nplaim taws ua haujlwm
kev laus kev ua haujlwm
tiav -kab cim.
Qee qhov kev ntsuam xyuas yog hom kev xeem ua ntu zus los yog sab nraud, thaum lwm tus yuav yog cov kev xeem niaj hnub lossis kev xeem batch. Tus neeg muag khoom yuav tsum paub meej qhov txawv ntawm lawv.
5. Traceability
Tus neeg muag khoom yuav tsum muaj peev xwm taug qab:
raw- khoom ntau
kab ntau lawm
hnub tsim khoom
tus neeg teb xov tooj lossis hloov chaw
xeem ntawv
ntim naj npawb
nruas tooj
khoom xa tuaj.
6. Export Experience
Tshawb nrhiav kev paub nrog:
destination-cov ntaub ntawv hauv tebchaws
daim ntawv pov thawj ntawm keeb kwm
thawv loading
cable-nruas tiv thaiv
kev tiv thaiv noo noo
cov ntaub ntawv kev lis kev cai
project- raws li cov npe ntim khoom
thib peb- tog tshuaj ntsuam xyuas.
7. Kev teb
Tus neeg muag khoom muaj zog yuav tsum nug cov lus nug txog kev ua ntej pom zoo rau lub cable.
Cov cim ceeb toom muaj xws li:
pom zoo ib qhov loj tsis muaj cov ntaub ntawv tam sim no lossis ntev
thov ib daim ntawv pov thawj tau txais thoob ntiaj teb
ignoring connector txoj kab uas hla
piav qhia tag nrho cov dub DC cable li hnub ci cable
tsis kam lees cov ntaub ntawv pov thawj
muab cov khoom cim tsis sib xws
hloov factories yam tsis tau ceeb toom.
Solar Cable Procurement Checklist
Siv cov ntawv txheeb xyuas hauv qab no ua ntej tshaj tawm kev yuav khoom
Cov lus qhia txog qhov project
☐ Lub teb chaws qhov chaw tau lees paub
☐ Cov lej hluav taws xob siv tau lees paub
☐ Yuav tsum tau lees paub tus qauv cable
☐ Qhov siab tshaj plaws DC voltage tau lees paub
☐ Cov qauv tsim tam sim no tau lees paub
☐ Cable txoj kab ntev tau lees paub
☐ Voltage -tso txwv paub tseeb
☐ Ambient kub tau lees paub
☐ Cov txheej txheem kev teeb tsa tau lees paub
☐ Pom tau tias muaj dej los yog hauv av
☐ Hluav taws- tau lees paub qhov kev ua tau zoo
Cable Specification
☐ Cov npe khoom tau teev tseg
☐ Tus neeg xyuas pib qhov loj me tau teev
☐ Cov khoom siv coj los qhia
☐ Cov chav qhia coj qhia tau hais
☐ Rated voltage teev
☐ Cov khoom siv rwb thaiv tsev tau teev tseg
☐ Cov ntaub ntawv pov thawj tau teev tseg
☐ Kab sab nraud - txoj kab uas hla tau teev
☐ Yam tsawg kawg bending vojvoog tau teev tseg
☐ Kev khiav haujlwm- qhov ntsuas kub tau teev tseg
☐ Kev teeb tsa- qhov ntsuas kub tau teev tseg
☐ UV tiv thaiv tau hais
☐ Dej- theem tiv thaiv tau teev tseg
☐ Txoj kev faus neeg tau teev tseg
Daim ntawv pov thawj
☐ Certificate issuer tau lees paub
☐ Daim ntawv pov thawj tus lej lees paub
☐ Certificate database checked
☐ Daim ntawv pov thawj tau lees paub
☐ Lub Hoobkas tau lees paub
☐ Cov qauv khoom tau lees paub
☐ Cable loj nrog
☐ Standard Edition tau lees paub
☐ Daim ntawv pov thawj tam sim no siv tau
☐ Daim ntawv pov thawj kev tsim khoom sib tw
Connector Compatibility
☐ Cov chaw tsim khoom txuas tau lees paub
☐ Cov qauv txuas txuas tau lees paub
☐ Pom zoo khub niam txiv paub tseeb
☐ Tus neeg xyuas pib- qhov loj me tau lees paub
☐ Kab sab nraud - kab kab kab tau lees paub
☐ Hu rau tus lej xov tooj tau lees paub
☐ Cov cuab yeej Crimping tau lees paub
☐ Crimp tuag paub tseeb
☐ Cov lus qhia ua ke tau tshuaj xyuas
☐ Rub- tawm los yog kev sib sau ua ke pom zoo
Cov ntsiab lus lag luam
☐ Nqe hauv paus txhais tau tias
☐ Copper -txoj kev kho tus nqi tau txhais
☐ Coil lossis nruas ntev tau lees paub
☐ Ntev ntev tau lees paub
☐ Ntim tau lees paub
☐ Paub meej hom lus
☐ Tus kheej - daim ntawv yuav tsum tau lees paub
☐ MOQ lees paub
☐ Lub sij hawm ua khoom tau lees paub
☐ Incoterm tau lees paub
☐ Kev soj ntsuam tau lees paub
☐ Warranty thiab thov txheej txheem tau lees paub
FAQ
Dab tsi cable feem ntau siv rau hnub ci vaj huam sib luag?
Lub hom phiaj-tsim PV cable feem ntau yog siv rau ntawm DC sab ntawm lub hnub ci. Nyob ntawm lub hom phiaj kev lag luam, cov kev qhia tshwj xeeb suav nrog H1Z2Z2-K raws li EN 50618, cable ua raws IEC 62930, lossis UL 4703 PV Hlau.
Cov khoom kawg yuav tsum ua raws li qhov project specification thiab hauv zos saws hluav taws xob code.
Puas yog 4mm² hnub ci cable txaus rau PV system?
Tej zaum nws yuav txaus rau qee qhov luv luv, qis dua - cov kab hluav taws xob tam sim no, tab sis qhov loj me tsis tuaj yeem lees paub yam tsis tau kuaj xyuas:
- tsim tam sim no
- txoj kev ntev
- qhov system voltage
- ambient kub
- txoj kev teeb tsa
- kab ua pab pawg
- voltage- poob lub hom phiaj
- connector compatibility.
Kuv puas yuav tsum siv 4mm² lossis 6mm² hnub ci cable?
Xaiv ntawm 4mm² thiab 6mm² los ntawm kev suav.
4mm² tej zaum yuav haum qhov twg tam sim no muaj peev xwm thiab voltage poob nyob rau hauv lub tsim txwv. Lub 6mm² cable muaj qhov tsis kam qis dua thiab tej zaum yuav zoo dua rau txoj kev ntev dua, siab dua tam sim no, qhov chaw kub dua lossis cov hom phiaj poob qis dua.
Thaum twg yog 10mm² solar cable siv?
10mm² cable yuav siv tau rau txoj kev ntev dua, siab dua - circuits tam sim no lossis kev sib txuas ntawm cov khoom sib txuas thiab cov inverters. Connector, caj pas, davhlau ya nyob twg thiab dabtsi yog khoov compatibility yuav tsum tau soj ntsuam vim hais tias muaj ntau tus qauv module connectors yog tsim feem ntau nyob ib ncig ntawm me me conductor ntau thiab tsawg.
Puas yog H1Z2Z2-K zoo dua PV1-F?
Tsis nyob hauv txhua qhov xwm txheej.
H1Z2Z2-K feem ntau txuam nrog EN 50618 thiab tshiab EN-oriented project specifications. PV1-F tseem tuaj yeem tshwm sim hauv cov kev qhia tshwj xeeb uas twb muaj lawm lossis hauv cheeb tsam.
Qhov tseeb cable yog qhov uas nws daim ntawv pov thawj tam sim no, ntsuas hluav taws xob, kev tsim kho thiab kev pom zoo siv raws li qhov yuav tsum tau ua.
Puas yog TÜV tus qauv hnub ci cable?
Tsis muaj.
TÜV Rheinland thiab lwm lub koom haum TÜV tab tom sim thiab muab ntawv pov thawj lub cev. Ib lub cable tuaj yeem raug kuaj tawm tsam EN 50618, IEC 62930, TÜV 2 PfG specification lossis lwm qhov yuav tsum tau ua.
Ib txwm nug kom ua tiav daim ntawv pov thawj.
Cov hluav taws xob ib txwm siv tau rau cov hnub ci vaj huam sib luag?
Tsis txhob xav tias ib txwm lub tsev cable yog tsim rau raug PV DC thaiv.
Lub cable yuav tsum ua kom tau raws li qhov yuav tsum tau muaj voltage, kub, tshav ntuj, noo noo, mechanical, hluav taws thiab installation yuav tsum tau. Ib txoj kab hluav taws xob yuav ua tau hluav taws xob tab sis tseem tsis tsim nyog rau lub sijhawm ntev - kev pabcuam photovoltaic sab nraum zoov.
Vim li cas tinned tooj liab siv nyob rau hauv ntau lub hnub ci cables?
Tinned tooj liab muab ib tug saj zawg zog tooj liab conductor nrog ib tug coated strand nto thiab yog dav siv nyob rau hauv certified H1Z2Z2-K cable designs. Kev tsim kho kom tiav cable thiab ntawv pov thawj tseem ceeb dua li cov neeg xyuas pib txheej ib leeg.
Puas yog txhuas cable siv tau rau hauv lub hnub ci?
Yog, nyob rau hauv kev tsim kho kom raug thiab pom zoo daim ntawv thov.
Txawm li cas los xij, aluminium yuav tsum tsis txhob hloov ncaj qha rau tooj liab. Cable loj, voltage poob, terminals, connectors, oxidation tswj, galvanic compatibility thiab ntawv pov thawj yuav tsum tau saib xyuas tag nrho.
Cov connectors los ntawm ob lub tuam txhab sib txawv tuaj yeem txuas tau?
Lawv yuav tsum tsis txhob hla-mated tshwj tsis yog tias qhov ua tiav ua ke tau pom zoo tshwj xeeb los ntawm cov tuam txhab tsim khoom thiab cov kev xav tau ntawm qhov project.
Mechanical haum tsis ua pov thawj hluav taws xob, ib puag ncig lossis ntev -kev sib raug zoo. Kev siv tib lub chaw tsim khoom sib txuas pom zoo thiab tsev neeg cov khoom yog txoj cai kev yuav khoom muaj kev nyab xeeb dua.
Puas yog txhua lub H1Z2Z2-K cable muaj tib txoj kab uas hla?
Tsis muaj.
Sab nraud txoj kab uas hla txawv nrog:
- tsim tawm
- tus neeg xyuas pib tsim
- rwb thaiv tsev thickness
- sheath thickness
- khoom loj
- dej tshwj xeeb lossis kev tiv thaiv txhua yam
- kev kam rau ua.
Ib txwm sib piv cov ntaub ntawv cable nrog cov connector sealing ntau.
Puas yog txhua lub hnub ci cable haum rau kev faus ncaj qha?
Tsis muaj.
Qee cov cables yog npaj rau kev siv sab nraum zoov lossis kev teeb tsa hauv cov kav dej tiv thaiv tab sis tsis pom zoo rau kev faus ncaj qha. Daim ntawv qhia cov ntaub ntawv yuav tsum hais txog txoj kev tso cai underground.
Lub hnub ci cable kav ntev npaum li cas?
some EN 50618-taw qhia cov khoom lag luam hais txog lub sijhawm ua haujlwm xav tau tsawg kawg 25 xyoo raws li cov xwm txheej ib txwm muaj. Qhov no tsis yog qhov tsis muaj kev lav phib xaub rau txhua qhov kev teeb tsa.
Lub neej tiag tiag nyob ntawm:
- kub
- UV raug
- ya raws
- kev puas tsuaj
- connector zoo
- installation kev ua haujlwm
- raug tshuaj lom neeg
- kev saib xyuas.
Qee lub tuam txhab luam tawm cov kev pabcuam xav tau-cov lus qhia txog lub neej rau EN 50618-cov khoom taw qhia raws li cov xwm txheej ib txwm muaj. Kho qhov no raws li cov khoom pov thawj tshwj xeeb, tsis yog universal cable warranty; txheeb xyuas cov ntaub ntawv tam sim no thiab kev lag luam warranty rau cov khoom muaj tseeb.
Kuv tuaj yeem txheeb xyuas daim ntawv pov thawj hnub ci cable li cas?
Tshawb xyuas:
daim ntawv pov thawj naj npawb;
- daim ntawv pov thawj lub cev;
- database xwm txheej;
- tus tuav daim ntawv pov thawj;
- Hoobkas;
- khoom qauv;
- cable -qhov loj me;
- txheem;
- qhov ntsuas voltage;
- ntau lawm cim.
TÜV Rheinland daim ntawv pov thawj tuaj yeem kuaj xyuas los ntawm Certipedia, thaum UL-cov khoom pov thawj tuaj yeem kuaj xyuas los ntawm UL Product iQ.