1. Ua raws li cov qauv kev ua haujlwm thiab cov kev xav tau hauv zos
Thawj lo lus nug yog ib txwm ncaj nraim: lub cable puas ua tau raws li qhov project specification?
Rau cov haujlwm hnub ci thoob ntiaj teb, EPC cov neeg cog lus feem ntau thov cov khoom ua raws li cov qauv xws li IEC 62930, EN 50618 H1Z2Z2-K, lossis UL 4703 PV Wire, nyob ntawm lub hom phiaj kev lag luam thiab kev tsim qauv. Tus qauv raug yuav tsum tsis yog tsuas yog cable nws tus kheej xwb, tab sis kuj yog qhov project theem voltage, ib puag ncig, kev teeb tsa, thiab kev pom zoo hauv zos.
Piv txwv li, ntau yam khoom siv hluav taws xob niaj hnub- cov phiaj xwm nplai siv 1500V DC tshuab. Lub cable, connector, combiner box, inverter input, thiab lwm yam DC -sab Cheebtsam yuav tsum tau haum rau tib voltage theem. Ib tus neeg muab khoom siv cable yuav tsum muaj peev xwm muab cov ntaub ntawv qhia meej meej uas qhia txog qhov ntsuas hluav taws xob, tus neeg xyuas pib hom, rwb thaiv tsev, qhov kub thiab txias, thiab cov qauv siv tau.
Rau cov haujlwm nyob sab Europe, hluav taws- kev ua haujlwm yuav tsum muaj feem cuam tshuam. Qhov twg cov cables raug kho raws li cov khoom tsim kho, EPC cov neeg cog lus tuaj yeem thov CPR- cov ntaub ntawv ntsig txog, suav nrog kev tshaj tawm kev faib hluav taws uas xav tau los ntawm qhov project specification lossis cov cai hauv zos.
Ib tus neeg muag khoom ntseeg siab tsis yog xa daim ntawv pov thawj nkaus xwb. Nws pab pawg EPC paub meej tias daim ntawv pov thawj, cov qauv cable, tus neeg xyuas pib loj, thiab cov cim kev tsim khoom tau ua tiav raws li qhov yuav tsum tau ua.
2. Cov khoom zoo sib xws thiab kev tsim kho
EPC cov neeg cog lus xav tau kev ntseeg siab tias cov xaim xa mus rau hauv lub thawv kawg yuav ua tau zoo ib yam li cov cable tau pom zoo thaum lub sijhawm sib tw.
Qhov no pib nrog kev tswj cov khoom siv. Rau tooj liab PV cables, cov neeg cog lus feem ntau yuav tsum xyuam xim rau cov neeg xyuas pib purity, strand siv, tinning zoo, thiab conductor kuj. Tinned tooj liab feem ntau nyiam rau kev siv PV sab nraum zoov vim nws txhim kho kev tiv thaiv oxidation thiab txhawb kev ruaj khov ntev - lub sij hawm sib txuas.
Rau aluminium alloy PV cables, qhov ua kom pom tseeb txawv me ntsis. EPC pawg yuav tshuaj xyuas tus neeg xyuas pib tsim, qib alloy, yoog raws, nkag tsis kam, tus neeg xyuas pib ua haujlwm, thiab kev sib raug zoo nrog cov khoom sib txuas lossis cov hlua. Aluminium alloy cable tuaj yeem muab cov txiaj ntsig zoo hauv cov haujlwm loj, tshwj xeeb tshaj yog qhov kev sib txuas ntawm cov kab txuas ntev, tab sis kev sib txuas yuav tsum tau ua kom raug.
Lub rwb thaiv tsev thiab sab nrauv sheath yog qhov tseem ceeb sib npaug. PV cable tsho yuav tsum tiv taus ntev - lub sij hawm UV raug, tshav kub, txias, ozone, ya raws, thiab kev siv tshuab. Lub cable uas zoo li tau txais thaum xa tuaj yuav tseem ua tsis tau ntxov ntxov yog tias cov txheej txheem polymer tsis ruaj khov nyob rau hauv qhov hnyav sab nraum zoov.
Vim li no, EPC cov neeg cog lus feem ntau nug cov neeg muag khoom txog:
Conductor khoom thiab kev tsim kho
Tinned tooj liab lossis aluminium alloy conductor xaiv
XLPO, XLPE, LSZH, los yog lwm yam ntaub ntawv rwb thaiv tsev thiab sheath
UV tiv thaiv thiab huab cua kev ua haujlwm
High- thiab qis-kub kev ua haujlwm
Nplaim taws -cov khoom siv hluav taws xob los yog CPR kev faib hluav taws xob yuav tsum tau ua
Cia siab rau kev pabcuam sab nraum zoov
3. Kev ua tau zoo ntawm hluav taws xob thiab hluav taws xob poob tswj
Kev ua tau zoo ntawm hluav taws xob yog qhov kev txhawj xeeb loj, tshwj xeeb tshaj yog nyob rau hauv cov nroj tsuag loj PV uas qhov ntev ntawm cable tuaj yeem yog qhov tseem ceeb.
Tus neeg xyuas pib ua haujlwm ncaj qha cuam tshuam rau qhov poob qis thiab lub zog poob. Ib tug cable nrog undersized conductor cheeb tsam los yog siab kuj yuav txo tau qhov system efficiency thiab ua rau kom poob hauj lwm nyob rau hauv lub neej ntawm peb tes num.
EPC cov neeg cog lus yog li sib piv ntau dua li nominal cross-section. Lawv tuaj yeem txheeb xyuas qhov tseeb ntawm tus neeg xyuas pib ntawm 20 degree, kev tsim kho tus neeg xyuas pib, qhov hnyav tooj liab, thiab kev tswj kev kam rau siab. Ob yam khoom yuav raug cim raws li 4 mm² lossis 6 mm², tab sis lawv qhov kev ua tau zoo ntawm hluav taws xob tuaj yeem sib txawv yog tias tus neeg xyuas pib zoo lossis kev tswj hwm kev tsim khoom tsis sib haum.
Rau qhov project tsim, cable loj yuav tsum tau xaiv raws li tam sim no, cable ntev, voltage poob txwv, ambient kub, cable grouping, thiab installation tej yam kev mob. Ib tus neeg muag khoom uas tuaj yeem txhawb nqa qhov kev suav no ntxiv tus nqi tshaj qhov khoom siv.
Hauv cov ntsiab lus siv tau, EPC cov neeg cog lus txaus siab rau cov neeg xa khoom tuaj yeem muab:
Cov ntaub ntawv raug conductor kuj
Tam sim no - nqa kev taw qhia muaj peev xwm
Cable txoj kab uas hla thiab hnyav ntaub ntawv
Kev them nyiaj yug voltage poob
Cov lus pom zoo rau kev khiav DC ntev
Cable sizing proposals rau txawv project layouts
4. Certification Authenticity thiab Traceability
Cov ntawv pov thawj tseem ceeb, tab sis EPC cov neeg cog lus nce ntxiv seb lawv puas yog qhov tseeb, tam sim no, thiab siv tau rau cov khoom muag.
Ib qho teeb meem tshwm sim hauv kev ua lag luam yog kev siv cov ntawv pov thawj uas tsis sib xws rau cov qauv siv cable tiag tiag, lub Hoobkas, tus neeg xyuas pib qhov loj me, lossis qhov ntau lawm. Vim li no, cov neeg yuav khoom tshaj lij tuaj yeem tshawb xyuas cov lej pov thawj nrog lub cev tawm lossis thov cov ntaub ntawv pov thawj tshiab ncaj qha los ntawm tus neeg muag khoom.
Traceability tseem ceeb sib npaug. Cov hlua khi hlua khi, cov ntawv ntim sab nrauv, daim ntawv tshaj tawm, thiab cov ntaub ntawv xa khoom yuav tsum txhua tus xa mus rau tib yam khoom qauv thiab batch.
Ib lub qhov dej zoo -cov neeg muag khoom npaj yuav tsum muaj peev xwm muab tau:
Khoom- daim ntawv pov thawj tshwj xeeb
Factory test reports
Batch tooj thiab cov ntaub ntawv hnub tsim khoom
Cable marking qauv
Packing lists thiab reel labels
Kev tshuaj xyuas cov duab lossis yeeb yaj kiab
Thib peb - tog ua ntej - kev txhawb nqa kev xa khoom xa tuaj thaum xav tau
Cov ntaub ntawv no txo qis kev pheej hmoo ntawm qhov chaw tau txais kev tshuaj xyuas thiab pab cov neeg cog lus khaws cov ntaub ntawv zoo meej rau tus tswv lossis tus kws pab tswv yim.
5. Muaj peev xwm tsim tau ruaj khov thiab kev cia siab rau kev xa khoom
Rau EPC cov neeg cog lus, kev xa khoom xa tuaj lig tuaj yeem cuam tshuam tag nrho cov sijhawm tsim kho.
PV cables feem ntau xav tau nyob rau hauv ntau qhov ntau thiab tej zaum yuav tsum tau muab xa mus rau theem raws li qhov kev ua tiav. Tus neeg muag khoom yuav tsum muaj peev xwm tsim tau txaus, npaj cov khoom siv raw, thiab ntim cov peev txheej kom tau raws li cov hnub pom zoo.
Ua ntej muab qhov kev txiav txim, EPC pawg neeg yuav khoom feem ntau txheeb xyuas:
Muaj peev xwm ntau lawm txhua hli
Lub sij hawm ua tus qauv loj
Lub sijhawm ua haujlwm rau kev kos cim lossis ntim khoom
Muaj cov tooj liab, aluminium alloy, thiab cov ntaub ntawv polymer
Muaj peev xwm tsim ntau qhov ntau thiab tsawg cable tib lub sijhawm
Export ntim muaj peev xwm
Shipping kev rau lub hom phiaj lub teb chaws
Muaj peev xwm txhawb nqa cov khoom xa tawm theem
Ib tus neeg muag khoom nrog tus nqi sib tw tab sis kev npaj tsim khoom tsis ruaj khov tuaj yeem tsim kev pheej hmoo ntau dua li tus nqi. EPC cov neeg cog lus feem ntau nyiam tus neeg xa khoom uas sib txuas lus kom meej txog cov xwm txheej tsim khoom thiab tsis pub dhau hnub xa khoom.
6. Kev ntim khoom zoo thiab kev npaj thauj khoom
Cable ntim tej zaum yuav zoo li qhov teeb meem me me, tab sis nws muaj kev cuam tshuam ncaj qha rau kev teeb tsa thiab kev tiv thaiv cov khoom.
Cov khoom ntim tsis zoo tuaj yeem raug kev puas tsuaj los ntawm cov reels puas, xoob coils, crushed nruas, cov ntawv tsis meej, lossis dej raug thaum thauj. Cov teeb meem no tsim kev tuav haujlwm ntxiv ntawm qhov chaw thiab tuaj yeem ua rau muaj kev tsis sib haum xeeb thaum tau txais kev tshuaj xyuas.
Rau cov phiaj xwm xa tawm, EPC cov neeg cog lus feem ntau xav tias yuav ntim khoom uas tsim nyog rau cov thawv xa khoom, chaw khaws khoom, thiab chaw cia khoom. Nyob ntawm seb hom cable thiab ntau npaum li cas, qhov no yuav suav nrog cov coils, plywood reels, ntoo nruas, pallets, tiv thaiv ya raws, thiab daim ntawv qhia meej.
Cov ntaub ntawv ntim khoom muaj txiaj ntsig suav nrog:
Cable ntev ib co coil los yog reel
Net thiab tag nrho qhov hnyav
Reel qhov ntev
Cov khoom siv cable nruas
Pallet kom muaj nuj nqis
Thawv thauj khoom npaj
Cov cim thiab barcode yuav tsum tau
Fumigation lossis export ntim raws li qhov xav tau
Cov tshuaj ntim zoo tshaj plaws tsis yog ib txwm pheej yig tshaj. Nws yog ib qho uas tiv thaiv cov kab hluav taws xob, txhawb kev tshem tawm kom zoo, thiab txo qhov chaw tuav qhov poob.
7. Kev them nyiaj yug Technical Thaum lub sij hawm Engineering thiab Installation
EPC cov neeg cog lus muaj txiaj ntsig rau cov neeg muab khoom lag luam uas tuaj yeem teb cov lus nug tau sai thiab raug.
Thaum lub sij hawm engineering theem, cov lus nug yuav muaj xws li cable sizing, tso cai voltage poob, system voltage, ambient kub kho, installation txoj kev, connector compatibility, thiab cov qauv kev txhais lus. Thaum lub sij hawm kev teeb tsa, cov lus nug yuav tsom mus rau qhov tsawg kawg nkaus lub vojvoog dabtsi yog khoov, cable routing, crimping yuav tsum, sab nraum zoov cia, los yog cable ID.
Ib tus neeg muag khoom nrog kev paub txog qhov project yuav pab tiv thaiv kom tsis txhob muaj qhov yuam kev ua ntej cov ntaub ntawv tuaj txog ntawm qhov chaw.
Kev pab txhawb nqa yuav suav nrog:
Cable xaiv raws li qhov system tsim
Kev ntsuas hluav taws xob poob
Cable sij hawm xyuas
Connector thiab cable compatibility paub meej
Kev taw qhia kev teeb tsa
Cov lus pom zoo rau kev txiav cable
Cov ntaub ntawv, kos duab, thiab cov ntawv xeem
Kev them nyiaj yug chaw taws teeb rau pab pawg ua haujlwm
Qhov no yog ib qho tseem ceeb tshwj xeeb rau tej yaam num siv aluminium alloy PV cable, siab -tam sim no DC circuits, ntev cable khiav, los yog customized cable harnesses.
8. Kev Tswj Xyuas Zoo thiab Kev Ntsuam Xyuas Kev Pom Zoo
Ib tus neeg muag khoom zoo yuav tsum tau xis nyob nrog kev tshuaj xyuas.
EPC cov neeg cog lus tuaj yeem thov kev kuaj xyuas lub Hoobkas, kev pom zoo ua qauv, ua ntej- cov qauv tsim khoom, hauv- kev tshuaj ntsuam xyuas, kev lees paub ntawm lub Hoobkas, lossis thib peb - tog ua ntej - kev tshuaj xyuas cov khoom xa tuaj. Cov neeg muab khoom uas twb muaj cov txheej txheem tshuaj xyuas meej yog feem ntau yooj yim ua haujlwm nrog.
Cov ntsiab lus tshuaj ntsuam xyuas muaj xws li tus neeg xyuas pib txoj kab uas hla, tus neeg xyuas pib tsis kam, rwb thaiv tsev thickness, txheej kab uas hla, qhov ntsuas qhov ua tau zoo, cim qhov zoo, tensile zog, elongation, thiab tiav cable zoo li.
Rau cov haujlwm loj, cov neeg cog lus kuj tseem tuaj yeem thov cov qauv khaws cia, cov ntaub ntawv batch, lossis cov ntaub ntawv xeem txuas rau txhua qhov xa khoom.
Transparency tseem ceeb vim nws txo qhov tsis paub meej. Thaum tus neeg muag khoom tuaj yeem muab cov ntaub ntawv soj ntsuam kom meej thiab txais tos cov kev kuaj xyuas zoo, EPC pab pawg tuaj yeem txiav txim siab yuav khoom nrog kev ntseeg siab ntau dua.
Hauv SINELINK, peb txhawb EPC cov neeg cog lus nrog txhim khu kev qha PV cables, MC4 connectors, thiab customized cable harness kev daws teeb meem rau vaj tse, kev lag luam, thiab kev siv hluav taws xob- teev hnub ci tej yaam num. Los ntawm IEC 62930 H1Z2Z2-K hnub ci cables rau UL 4703 PV Hlau thiab aluminium alloy PV cables, peb tsom mus rau qhov ruaj khov zoo, ua tiav cov ntaub ntawv, ntim tau yooj yim, thiab kev txhawb nqa qhov project.
Txawm hais tias koj xav tau cov khoom lag luam lossis cov phiaj xwm- cov kev daws teeb meem tshwj xeeb, peb pab pawg tau npaj los pab koj txo qis kev pheej hmoo thiab ua kom koj lub sijhawm teeb tsa.