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Kev Taw Qhia
Cov xov hluav taws xob photovoltaic DC uas txhim khu kev qha tsis yog txhais los ntawm cov lus qhia ib leeg xwb; lawv qhov kev ua tau zoo tiag tiag nyob ntawm seb cov neeg hlau, kev rwb thaiv tsev, kev tiv thaiv, thiab kev tiv thaiv lub tsho tau ua thiab tswj hwm li cas ntawm txhua theem tsim khoom. Tsab xov xwm no piav qhia txog cov txheej txheem tsim khoom uas feem ntau cuam tshuam rau kev ua haujlwm hluav taws xob, kev ruaj khov thermal, kev tiv thaiv huab cua, thiab lub neej ntev hauv kev teeb tsa hnub ci. Koj yuav pom tias kev xaiv cov khoom siv, kev sib txuas ntawm cov neeg hlau, kev raug extrusion, kev sib txuas, thiab kev sim zoo ua haujlwm ua ke los txo qhov poob, tiv thaiv kev ua tsis tiav ua ntej, thiab ua tau raws li qhov xav tau 1500V DC thiab sab nraum zoov. Nrog lub hauv paus ntawd, kev sib tham tuaj yeem txav mus rau cov txheej txheem tshwj xeeb thiab kev tswj hwm uas sib txawv qhov zoo. Cov Cable Photovoltaic kev tsim khoom.
Vim li cas kev tsim cov cable photovoltaic DC thiaj tseem ceeb
Kev hloov mus rau lub zog rov ua dua tshiab yog nyob ntawm qhov ruaj khov thiab kev ua haujlwm zoo ntawm cov khoom siv hnub ci. Lub plawv ntawm cov khoom siv lub cev no yog cov cables uas thauj cov hluav taws xob ncaj qha (DC) los ntawm cov vaj huam sib luag hnub ci mus rau cov thawv combiner thiab inverters. Qhov tseeb thiab zoo ntawm cov txheej txheem tsim khoom ncaj qha qhia txog kev nyab xeeb, kev siv hluav taws xob zoo, thiab kev ua haujlwm ntev ntawm tag nrho cov photovoltaic array.
Kev ua tau zoo, kev txuag nyiaj, thiab tus nqi siv tas mus li
Cov phiaj xwm hnub ci uas siv tau rau txhua yam khoom siv tau raug tsim los ntawm kev siv nyiaj txiag raws li lub neej ua haujlwm ntawm 25 txog 30 xyoo. Kev ua tiav qhov kev ua neej ntev no xav tau cov khoom uas tuaj yeem tiv taus cov kev ntxhov siab ntawm ib puag ncig yam tsis muaj kev puas tsuaj. Kev tsim khoom zoo txo qhov kev tiv thaiv hluav taws xob, ua rau DC kis tau poob qis dua qhov kev txwv ntawm kev lag luam ntawm 1% txog 2%. Ntxiv mus, qhov muaj peev xwm ntawm kev lag luam hnub ci - nws lub peev xwm los nrhiav kev nyiaj txiag zoo - nyob ntawm kev siv cov khoom tier-1.
Cov cables yuav tsum tau tsim los kom tiv taus qhov kub thiab txias hloov pauv ntau heev, feem ntau ntsuas rau cov xwm txheej ib puag ncig los ntawm -40 ° C mus txog qhov kub thiab txias ntawm + 120 ° C. Kev tsim khoom tsis zoo ua rau cov kev kam rau siab thermal no cuam tshuam, ua rau kev rwb thaiv tsev tsis ua haujlwm ua ntej lub sijhawm, av tsis ua haujlwm, thiab cov nqi siv tas mus li ntau ntxiv los ntawm kev hloov pauv ntau zaus thiab lub sijhawm tsis ua haujlwm ntawm lub cev.
Cov hom cable, kev tsim kho, thiab kev siv
Cov hnub ci niaj hnub no feem ntau siv cov xov hlau ib leeg, ob chav rwb thaiv tsev uas tsim los rau kev siv hluav taws xob siab, tshwj xeeb tshaj yog cov kab ke DC 1500V tam sim no. Cov qauv tsim feem ntau muaj cov hlau tooj liab zoo nkauj, uas muab kev ywj pheej zoo dua thiab tiv taus xeb piv rau tooj liab liab. Cov cheeb tsam hla feem ntau yog txij li 4mm² txog 10mm², xaiv raws li lub peev xwm nqa tam sim no ntawm txoj hlua.
Cov rwb thaiv tsev thiab lub plhaub sab nraud yog tsim los ntawm cov ntaub ntawv polyolefin (XLPO) uas sib txuas ua ke, ua rau muaj kev tiv thaiv zoo rau ultraviolet (UV) hluav taws xob, ozone, thiab kev puas tsuaj ntawm lub cev. Nyob ntawm qhov chaw teeb tsa - txawm tias cov pas dej hnub ci ntab, cov ru tsev, lossis cov liaj teb qhuav - cov chaw tsim khoom yuav tsum kho cov qauv polymer kom txhim kho cov yam ntxwv tshwj xeeb xws li kev tiv thaiv dej lossis kev tiv thaiv hluav taws.
Cov txheej txheem tsim cov cable photovoltaic DC tseem ceeb
Kev tsim cov cables uas muaj peev xwm ua neej nyob tau ntau xyoo ntawm kev raug mob hnyav ntawm ib puag ncig yuav tsum tau ua kom zoo heev Cov txheej txheem tsim cov kab hluav taws xob photovoltaic DCCov kev hloov pauv ntawm cov txheej txheem no tau tso cai rau cov chaw tsim khoom kom txav deb ntawm cov ntaub ntawv PVC qub, txhim kho kev ua haujlwm ntau lawm thaum tib lub sijhawm tsa lub cev thiab hluav taws xob ntawm cov khoom tiav kom tau raws li cov kev xav tau hnub ci niaj hnub.
Kev sib xyaw ua ke, kev sib txuas, thiab kev rho tawm
Lub voj voog tsim khoom pib nrog kev kos duab hlau thiab kev khi hlua. Yuav kom ua tiav qhov kev ywj pheej uas xav tau rau kev teeb tsa hauv thaj teb (Tus qauv Chav Kawm 5), ntau pua lub xov hlau tooj liab zoo, annealed tinned raug khi nruj nreem. Tom qab khi hlua, cov theem sib xyaw thiab extrusion siv cov txheej XLPO tiv thaiv. Cov chaw niaj hnub no feem ntau siv cov kab extrusion tandem, siv ob qho tib si rwb thaiv tsev sab hauv thiab lub tsho sab nraud tib lub sijhawm ntawm qhov ceev siab xws li 300 txog 500 meters ib feeb.
Qhov tseem ceeb tshaj plaws yog kev sib txuas lus, uas hloov cov thermoplastic polymer mus ua cov khoom siv thermoset ruaj khov. Kev tsim khoom siab kawg vam khom electron beam (e-beam) irradiation, qhov twg lub cable hla dhau lub accelerator uas bombards lub polymer nrog cov koob tshuaj radiation meej, feem ntau ntawm 10 thiab 15 Mrad. Qhov no tsim ib lub network molecular peb-seem uas ntom ntom uas txhim kho kev ruaj khov thermal thiab mechanical.
Cov qauv sib piv rau cov txheej txheem tsim khoom
Thaum soj ntsuam cov txheej txheem tsim khoom, kev xaiv cov thev naus laus zis sib txuas yog qhov sib txawv tseem ceeb hauv kev ua lag luam. Thaum e-beam irradiation sawv cev rau tus qauv zoo tshaj plaws rau cov ntawv thov siv hluav taws xob, kev sib txuas tshuaj lom neeg (xws li txoj kev silane) kuj tseem siv rau ntau yam kev lag luam sib txawv.
| Feature | Kev Sib Txuas ntawm Electron Beam (E-Beam) | Silane (Tshuaj lom neeg) Kev sib txuas |
|---|---|---|
| Lub tshuab | Kev tawg ntawm cov hluav taws xob muaj zog heev | Kev kho kom noo noo thiab cua sov |
| Kev Tiv Thaiv Kub | Zoo kawg nkaus (txog li 120 ° C tas mus li) | Nruab Nrab Mus Rau Siab (txog li 90 ° C tas mus li) |
| Kev Ceev Ntau Lawm | Ceev heev (inline lossis offline accelerators) | Qis dua (yuav tsum tau siv sijhawm kho hauv dej/sauna) |
| Kev Cuam Tshuam Ib puag ncig | Cov txheej txheem huv si, tsis muaj tshuaj lom neeg seem | Tsim qee cov khoom siv tshuaj lom neeg |
| Daim Ntawv Thov Zoo Tshaj Plaws | Cov chaw siv tau yooj yim, cov chaw nyob ib puag ncig hnyav | Cov haujlwm nyob, uas tsis tas siv nyiaj ntau |
Kev xaiv txoj kev tsim nyog nyob ntawm qhov loj ntawm qhov project, kev txwv ntawm cov peev nyiaj, thiab qhov hnyav ntawm qhov chaw teeb tsa uas xav tau.
Yuav ua li cas los ntsuam xyuas kev tsim cov cable photovoltaic DC
Kev nrhiav tau cov xov hlau uas txhim khu kev qha yuav tsum tau kuaj xyuas qhov chaw tsim khoom ntawm tus neeg muag khoom. Cov neeg yuav khoom thiab cov neeg tsim kho qhov project yuav tsum soj ntsuam seb tus neeg tsim khoom siv li cas. cov txheej txheem kev ruaj ntseg zoo thiab tswj cov saw hlau los ntawm cov khoom siv raw mus rau lub spool tiav lawm, txo cov kev pheej hmoo nyiaj txiag ntawm kev phom sij hluav taws thiab kev ua txhaum hauv av.
Kev tswj cov txheej txheem, kev sim hauv kab, thiab kev taug qab
Cov chaw tsim khoom zoo tshaj plaws suav nrog kev tswj cov txheej txheem tas mus li kom tshem tawm cov qhov tsis zoo ua ntej lub cable raug spooled. In-line laser micrometers saib xyuas lub cable txoj kab uas hla hauv lub sijhawm tiag tiag, xyuas kom meej tias qhov tuab ntawm cov rwb thaiv tsev tseem sib xws thiab concentricity nyob siab dua qhov nruj 85% threshold uas tau teev tseg los ntawm cov qauv txheem xws li EN 50618 thiab Iec 62930Qhov poob qis dua qhov ntsuas no tuaj yeem ua rau muaj kev sib khi tsis zoo thaum txuas cov xov hlau nrog MC4 connectors. Txhua qhov kev hloov pauv yuav ua rau muaj kev hloov kho kab tsis siv neeg.
Tsis tas li ntawd xwb, kev ntsuam xyuas hluav taws xob siab tau ua ncaj qha rau ntawm txoj kab extrusion. Lub cable raug rau AC spark test ntawm 6kV thiab 10kV kom pom tam sim ntawd txhua qhov me me lossis cov chaw liab qab hauv lub rwb thaiv tsev. Cov txheej txheem traceability tag nrho kuj tseem ceeb heev; txhua lub spool yuav tsum muaj ib qho barcode tshwj xeeb txuas nws mus rau qhov tshwj xeeb ntau lawm, qhov chaw tooj liab, thiab tus neeg teb xov tooj extrusion, kom ntseeg tau tias muaj kev lav phib xaub tag nrho.
Cov yam tseem ceeb rau kev txiav txim siab rau cov chaw tsim khoom thiab cov neeg yuav khoom
Thaum xaiv tus khub tsim khoom, cov neeg yuav khoom yuav tsum xav txog ntau yam kev xa khoom thiab kev lag luam nrog rau kev muaj peev xwm ua haujlwm. Kev ua raws li cov qauv thoob ntiaj teb, uas tau ua pov thawj los ntawm cov ntawv pov thawj xws li TÜV lossis UL 4703, tsis tuaj yeem sib tham tau rau cov kab ke sib txuas lus. Kev hloov pauv ntawm cov khoom xa tuaj yog lwm qhov tseem ceeb uas khi rau qhov muaj cov khoom siv raw; cov chaw tsim khoom saum toj kawg nkaus feem ntau tswj lub sijhawm ua khoom ntawm 2 txog 4 lub lis piam, txawm hais tias qhov no tuaj yeem ncab thaum lub sijhawm muaj kev thov thoob ntiaj teb lossis tus nqi tooj liab hloov pauv.
Cov neeg yuav khoom kuj yuav tsum xav txog qhov tsawg kawg nkaus ntawm kev txiav txim (MOQs), uas feem ntau pib li ntawm 5,000 meters rau cov qauv 4mm² lossis 6mm² cross-sections, tab sis tuaj yeem nce ntxiv ntau rau cov xim tsho tshwj xeeb lossis cov khoom sib xyaw polymer tshwj xeeb. Thaum kawg, kev nqis peev rau cov cables tsim tawm raws li kev tswj hwm zoo nruj ua rau muaj tus nqi qis dua ntawm kev muaj los ntawm kev tiv thaiv kev puas tsuaj loj heev thoob plaws lub neej ntawm cov khoom.
Cov Ntsiab Lus Tseem Ceeb
- Cov lus xaus tseem ceeb tshaj plaws thiab cov laj thawj rau cov txheej txheem tsim hluav taws xob photovoltaic DC
- Cov lus qhia tshwj xeeb, kev ua raws li txoj cai, thiab kev kuaj xyuas kev pheej hmoo uas tsim nyog lees paub ua ntej koj cog lus
- Cov kauj ruam tom ntej thiab cov lus ceeb toom uas cov nyeem ntawv tuaj yeem siv tau tam sim ntawd
Cov Lus Nug Feem Ntau
Vim li cas e-beam cross-linking thiaj li nyiam rau cov photovoltaic DC cables?
Nws tsim cov qauv XLPO muaj zog dua, txhawb nqa qhov kub ntawm tus neeg xyuas hluav taws xob mus txog 120 ° C, tsim khoom sai dua, thiab ua haujlwm tau ntev dua hauv cov chaw siv hluav taws xob lossis cov chaw nyob hnyav.
Cov khoom siv conductor twg zoo tshaj plaws rau kev tsim cov photovoltaic DC cable?
Cov tooj liab uas muaj cov xov zoo feem ntau yog qhov nyiam dua vim nws ua rau nws yooj ywm dua, tiv taus xeb, thiab txhawb kev teeb tsa zoo hauv ru tsev, suab puam, thiab cov tshuab hnub ci uas ntab dej.
Qhov loj ntawm cov cable twg feem ntau siv rau hauv cov hlua DC hnub ci?
Qhov loj feem ntau yog 4mm² txog 10mm². Qhov kev xaiv zoo nyob ntawm seb cov hlua hluav taws xob tam sim no, qhov txwv ntawm qhov poob hluav taws xob, thiab qhov ntev ntawm kev teeb tsa.
Cov neeg yuav khoom yuav soj ntsuam cov chaw tsim khoom photovoltaic DC cable li cas?
Tshawb xyuas qhov zoo ntawm tus neeg txuas hluav taws xob, kev sib xws ntawm XLPO rwb thaiv tsev, txoj kev sib txuas, kev tswj cov kab ntau lawm, thiab kev ua raws li 1500V DC thiab cov kev cai ib puag ncig mus sij hawm ntev.
Thaum twg silane cross-linking haum rau photovoltaic DC cables?
Nws feem ntau tsim nyog rau cov haujlwm nyob hauv tsev lossis cov haujlwm uas tsis tshua muaj nqi uas cov xwm txheej tsis hnyav heev thiab qhov ntsuas kub tas mus li 90 ° C yog qhov siv tau.