1.Dab tsi yog Solar Cable?
Cov kab hluav taws xob hnub ci yog siv rau kev xa hluav taws xob. Lawv siv rau ntawm DC sab ntawm lub hnub ci fais fab chaw nres tsheb. Lawv muaj lub cev zoo heev. Cov no suav nrog kev tiv thaiv rau qhov kub thiab txias. Tsis tas li ntawd, rau UV hluav taws xob, dej, ntsev tsuag, tsis muaj zog acids, thiab tsis muaj zog alkalis. Lawv kuj muaj kev tiv thaiv kev laus thiab nplaim taws.
Photovoltaic cables kuj yog tshwj xeeb Solar cables. Lawv tsuas yog siv rau hauv cov huab cua hnyav. Cov qauv muaj xws li PV1-F thiab H1Z2Z2-K.Danyang Winpoweryog lub chaw tsim khoom siv hluav taws xob hnub ci
Hnub ci cables feem ntau nyob hauv tshav ntuj. Hnub ci zog tshuab feem ntau nyob rau hauv cov xwm txheej hnyav. Lawv ntsib kev kub ntxhov thiab UV hluav taws xob. Hauv Tebchaws Europe, hnub ci hnub ci yuav ua rau qhov kub ntawm qhov chaw ntawm lub hnub ci zog mus txog 100 ° C.
Cov kab hluav taws xob photovoltaic yog cov kab hluav taws xob sib txuas nruab rau ntawm lub hnub ci cell modules. Nws muaj ib tug insulating npog thiab ob daim ntawv. Cov ntaub ntawv yog ib leeg-core thiab ob-core. Cov xov hlau yog ua los ntawm galvanized hlau.
Nws tuaj yeem thauj cov hluav taws xob hluav taws xob hauv lub hnub ci hluav taws xob. Qhov no tso cai rau cov hlwb rau lub zog.
2. Cov khoom siv:
1) Tus neeg xyuas pib: tinned tooj liab hlau
2) Cov khoom siv sab nraud: XLPE (tseem hu ua: cross-linked polyethylene) yog cov khoom siv insulating.
3. Qauv:
1) Feem ntau cov tooj liab ntshiab los yog tinned tooj liab core conductor yog siv
2) Internal rwb thaiv tsev thiab txheej rwb thaiv tsev sheath yog 2 hom
4. Nta:
1) Me me thiab lub teeb yuag, txuag hluav taws xob thiab kev tiv thaiv ib puag ncig.
2) Cov khoom siv zoo thiab tshuaj lom neeg ruaj khov, muaj peev xwm nqa tam sim no loj;
3) me me, lub teeb yuag thiab tus nqi qis dua lwm cov cables zoo sib xws;
4) Nws muaj: zoo xeb kuj, kub kub kuj, thiab acid thiab alkali kuj. Nws kuj muaj qhov hnav tsis kam thiab tsis eroded los ntawm noo noo. Nws tuaj yeem siv rau hauv qhov chaw corrosive. Nws muaj kev ua haujlwm zoo los tiv thaiv kev laus, thiab lub neej ua haujlwm ntev.
5) Nws yog pheej yig. Nws tuaj yeem siv rau hauv dej phwj tuaj, dej nag, thiab UV rays. Nws kuj tuaj yeem siv rau hauv lwm cov xov xwm muaj zog corrosive, xws li acids thiab alkalis.
Photovoltaic cables muaj cov qauv yooj yim. Lawv siv irradiated polyolefin rwb thaiv tsev. Cov khoom no muaj cua sov, txias, roj, thiab UV tiv taus. Nws tuaj yeem siv rau hauv qhov hnyav ib puag ncig. Nyob rau tib lub sijhawm, nws muaj qee lub zog tensile. Nws tuaj yeem ua tau raws li qhov xav tau ntawm lub hnub ci zog hauv lub sijhawm tshiab.
5. Qhov zoo
Tus neeg xyuas pib resists corrosion. Nws yog ua los ntawm tinned mos tooj liab hlau, uas tiv taus corrosion zoo.
Lub rwb thaiv tsev yog ua los ntawm cov khoom txias-resistant, tsis muaj pa taws, tsis muaj halogen khoom. Nws tuaj yeem tiv taus -40 ℃ thiab muaj qhov ua haujlwm txias txias.
3) Nws tiv taus qhov kub thiab txias. Lub plhaub yog ua los ntawm cov khoom siv hluav taws xob, tsis muaj pa taws, tsis muaj halogen. Nws tuaj yeem tswj tau qhov kub thiab txias txog li 120 ℃ thiab muaj qhov ua tau zoo ntawm qhov kub thiab txias.
Tom qab irradiation, cable lub rwb thaiv tsev tau txais lwm yam khoom. Cov no suav nrog kev tiv thaiv UV, roj resistant, thiab nyob ntev.
6. Yam ntxwv:
Cov yam ntxwv ntawm lub cable yog los ntawm nws cov khoom tshwj xeeb rwb thaiv tsev thiab cov ntaub ntawv sheath. Peb hu lawv cross-linked PE. Tom qab irradiation los ntawm accelerator, cov khoom siv cable cov qauv molecular yuav hloov. Qhov no yuav txhim kho nws qhov kev ua tau zoo hauv txhua txoj hauv kev.
Cable resists mechanical loads. Thaum lub sij hawm installation thiab txij nkawm, nws yuav tsum tau routed nyob rau hauv lub ntse ntug ntawm lub hnub qub saum toj kawg nkaus qauv. Lub cable yuav tsum tiv taus siab, dabtsi yog khoov, nro, hla-tension loads, thiab muaj zog cuam tshuam.
Yog hais tias lub cable sheath tsis muaj zog txaus, nws yuav ua puas lub rwb thaiv tsev cable. Qhov no yuav ua rau lub neej luv luv lossis ua rau muaj teeb meem xws li luv luv, hluav taws kub, thiab raug mob.
7. Nta:
Kev nyab xeeb yog qhov zoo dua. Cov cables muaj cov khoom siv hluav taws xob zoo sib xws thiab muaj zog hluav taws xob siab. Lawv tuaj yeem tswj cov hluav taws xob siab thiab kub siab, thiab tiv taus huab cua kev laus. Lawv cov rwb thaiv tsev ruaj khov thiab txhim khu kev qha. Nws ua kom cov qib AC sib npaug ntawm cov khoom siv thiab ua tau raws li qhov yuav tsum tau muaj kev nyab xeeb.
2) Photovoltaic cables yog tus nqi zoo ntawm kev xa hluav taws xob. Lawv txuag hluav taws xob ntau dua li PVC cables. Lawv tuaj yeem txheeb xyuas qhov kev puas tsuaj sai thiab raug. Qhov no txhim kho kev ruaj ntseg thiab ruaj ntseg thiab txo cov nqi kho.
3) Ib qho yooj yim installation: PV cables muaj ib tug du nto. Lawv yooj yim cais thiab ntsaws rau hauv thiab tawm. Lawv hloov tau yooj yim thiab yooj yim rau nruab. Qhov no ua rau nws yooj yim rau installers ua haujlwm sai. Lawv kuj tuaj yeem npaj thiab teeb tsa. Qhov no tau zoo heev txhim kho qhov chaw ntawm cov khoom siv thiab txuag chaw.
4) Cov ntaub ntawv raw ntawm photovoltaic cables ua raws li kev tiv thaiv ib puag ncig. Lawv ua tau raws li cov khoom ntsuas thiab lawv cov qauv. Thaum siv thiab teeb tsa, txhua qhov tso tawm cov co toxins thiab cov pa roj tawm ua tau raws li kev cai ib puag ncig.
8. Kev ua tau zoo (kev ua haujlwm hluav taws xob)
1) DC tsis kam: DC tsis kam ntawm cov tub ntxhais conductive ntawm cov khoom tiav ntawm 20 ° C tsis ntau dua 5.09Ω / km.
2) Qhov kev ntsuam xyuas yog rau dej immersion voltage. Cov kab tiav (20m) muab tso rau hauv (20 ± 5) ℃ dej rau 1h. Tom qab ntawd, nws raug sim nrog 5min voltage xeem (AC 6.5kV lossis DC 15kV) yam tsis muaj kev puas tsuaj.
Cov qauv tiv thaiv DC voltage rau lub sijhawm ntev. Nws yog 5m ntev thiab hauv dej distilled nrog 3% NaCl ntawm (85 ± 2) ℃ rau (240 ± 2) h. Ob qho kawg yog muab tso rau hauv dej rau 30 cm.
Ib qho 0.9kV DC voltage yog siv nruab nrab ntawm cov tub ntxhais thiab cov dej. Lub hauv paus ua hluav taws xob. Nws txuas nrog tus ncej zoo. Cov dej txuas nrog tus ncej tsis zoo.
Tom qab nqa tawm cov qauv, lawv ua ib qho kev ntsuas dej immersion voltage. Qhov ntsuas hluav taws xob yog AC
4) Lub rwb thaiv tsev tiv thaiv ntawm lub tiav cable ntawm 20 ℃ tsis tsawg dua 1014Ω·cm. Ntawm 90 ℃, nws tsis tsawg dua 1011Ω·cm.
5) Lub sheath muaj qhov ua haujlwm saum npoo. Nws yuav tsum yog tsawg kawg yog 109Ω.
9. Cov ntawv thov
Cov kab hluav taws xob photovoltaic feem ntau yog siv hauv cua ua liaj ua teb. Lawv muab lub zog thiab cuam tshuam rau cov khoom siv hluav taws xob photovoltaic thiab cua.
2) Kev siv hluav taws xob hnub ci siv cov kab hluav taws xob photovoltaic. Lawv txuas cov hnub ci cell modules, sau lub hnub ci zog, thiab xa hluav taws xob zoo. Lawv kuj txhim kho kev siv hluav taws xob zoo.
3) Kev siv fais fab chaw nres tsheb: Photovoltaic cables kuj tuaj yeem txuas cov khoom siv hluav taws xob nyob ntawd. Lawv sau cov hluav taws xob tsim tawm thiab ua kom lub zog zoo ruaj khov. Lawv kuj txo cov nqi tsim hluav taws xob thiab txhawb nqa cov khoom siv hluav taws xob.
4) Photovoltaic cables muaj lwm yam siv. Lawv txuas hnub ci trackers, inverters, panels, thiab teeb. Lub tshuab simplifies cables. Nws yog ib qho tseem ceeb hauv kev tsim qauv ntsug. Qhov no tuaj yeem txuag sijhawm thiab txhim kho kev ua haujlwm.
10. Scope ntawm kev siv
Nws yog siv rau hnub ci fais fab chaw nres tsheb lossis chaw hnub ci. Nws yog rau cov khoom siv txuas thiab kev sib txuas. Nws muaj peev xwm muaj zog thiab tiv taus huab cua. Nws yog txoj cai rau siv nyob rau hauv ntau qhov chaw nres tsheb fais fab thoob ntiaj teb.
Raws li ib lub cable rau cov khoom siv hnub ci, nws tuaj yeem siv sab nraum zoov hauv huab cua sib txawv. Nws tuaj yeem ua haujlwm hauv qhov chaw qhuav thiab ntub dej hauv tsev.
Cov khoom no yog rau cov mos cables nrog ib tug tub ntxhais. Lawv siv rau ntawm CD sab ntawm lub hnub ci tshuab. Cov tshuab muaj qhov siab tshaj plaws DC voltage ntawm 1.8kV (tub ntxhais rau tub ntxhais, tsis yog hauv av). Qhov no yog raws li tau piav qhia hauv 2PfG 1169/08.2007.
Cov khoom no yog siv rau qib II kev nyab xeeb. Lub cable tuaj yeem ua haujlwm txog li 90 ℃. Thiab, koj tuaj yeem siv ntau lub cables ua ke.
11. Cov yam ntxwv tseem ceeb
1) tuaj yeem siv nyob rau hauv lub hnub ncaj qha
2) Siv tau ambient kub -40 ℃ ~ + 90 ℃
3) Kev pabcuam lub neej yuav tsum muaj ntau tshaj 20 xyoo
4) Tshwj tsis yog rau 62930 IEC 133/134, lwm hom cables yog ua los ntawm nplaim taws-retardant polyolefin. Lawv yog cov pa luam yeeb tsawg thiab tsis muaj halogen.
12. Hom:
Nyob rau hauv lub kaw lus ntawm lub hnub ci fais fab chaw nres tsheb, cables muab faib ua DC thiab AC cables. Raws li kev siv sib txawv thiab kev siv ib puag ncig, lawv raug cais raws li hauv qab no:
DC cables feem ntau yog siv rau:
1) Kev sib txuas ntawm cov khoom sib txuas;
Kev sib txuas yog sib npaug. Nws yog nyob nruab nrab ntawm cov hlua thiab nruab nrab ntawm cov hlua thiab DC faib lub thawv (combiner thawv).
3) Nruab nrab ntawm DC lub thawv xa khoom thiab cov inverter.
AC cables feem ntau yog siv rau:
1) Kev sib txuas ntawm inverters thiab step-up transformers;
2) Kev sib txuas ntawm cov kauj ruam-up transformers thiab faib khoom;
3) Kev sib txuas ntawm cov khoom siv faib khoom thiab cov phiaj xwm hluav taws xob lossis cov neeg siv.
13. Qhov zoo thiab qhov tsis zoo
1) Qhov zoo:
a. Kev ntseeg tau zoo thiab kev tiv thaiv ib puag ncig zoo;
b. Kev siv dav dav thiab kev nyab xeeb siab;
c. Yooj yim rau nruab thiab txuag nyiaj;
d. Tsawg kis hluav taws xob poob thiab me me teeb liab attenuation.
2) Disadvantages:
a. Tej yam uas yuav tsum tau rau ib puag ncig adaptability;
b. Tus nqi siab thiab tus nqi nruab nrab;
c. Lub neej ua haujlwm luv luv thiab dav dav.
Nyob rau hauv luv luv, photovoltaic cable yog heev pab tau. Nws yog rau kev sib kis, sib txuas, thiab tswj cov tshuab fais fab. Nws yog txhim khu kev qha, me me, thiab pheej yig. Nws lub zog xa tawm yog ruaj khov. Nws yog ib qho yooj yim rau nruab thiab tswj. Nws siv tau zoo dua thiab muaj kev nyab xeeb dua li PVC xaim vim nws ib puag ncig thiab kev xa hluav taws xob.
14. Ceev faj
Photovoltaic cables yuav tsum tsis txhob muab tso rau saum taub hau. Lawv tuaj yeem ua tau, yog tias muaj txheej hlau ntxiv.
Photovoltaic cables yuav tsum tsis txhob nyob hauv dej ntev. Lawv kuj yuav tsum tau khaws cia tawm ntawm qhov chaw ntub vim ua haujlwm.
3) Photovoltaic cables yuav tsum tsis txhob muab faus ncaj qha rau hauv av.
4) Siv tshwj xeeb photovoltaic connectors rau photovoltaic cables. Cov kws tshaj lij hluav taws xob yuav tsum nruab lawv.
15. Yuav tsum muaj:
Tsawg-voltage DC kis tau tus mob cables nyob rau hauv lub hnub ci systems muaj ntau yam yuav tsum tau. Lawv sib txawv los ntawm cov khoom siv thiab kev xav tau. Cov yam tseem ceeb yuav tsum xav txog yog cable rwb thaiv tsev, kub tsis kam, thiab nplaim taws. Tsis tas li ntawd, siab aging thiab hlau txoj kab uas hla.
DC cables feem ntau muab tso rau sab nraum zoov. Lawv yuav tsum muaj pov thawj tiv thaiv ya raws, tshav ntuj, txias, thiab UV. Yog li ntawd, DC cables hauv cov tshuab hluav taws xob photovoltaic faib siv cov kab tshwj xeeb. Lawv muaj daim ntawv pov thawj photovoltaic.
Hom kab txuas no siv ob txheej txheej rwb thaiv tsev sheath. Nws muaj kev tiv thaiv zoo rau UV, dej, ozone, acid, thiab ntsev. Nws tseem muaj peev xwm ua tau zoo txhua lub caij ntuj sov thiab hnav tsis kam.
Xav txog DC connectors thiab cov zis tam sim no ntawm PV panels. Feem ntau siv PV DC cables yog PV1-F1 * 4mm2, PV1-F1 * 6mm2, thiab lwm yam.
16. Kev xaiv:
Cov cables yog siv nyob rau hauv qhov tsawg-voltage DC ib feem ntawm lub hnub ci system. Lawv muaj cov kev cai sib txawv. Qhov no yog vim qhov sib txawv ntawm kev siv ib puag ncig. Tsis tas li ntawd, kev xav tau kev sib txuas ntawm cov khoom sib txawv. Koj yuav tsum xav txog ob peb yam. Cov no yog: cable rwb thaiv tsev, tshav kub tsis kam, nplaim hluav taws xob, kev laus, thiab txoj kab uas hla.
Cov kev cai tshwj xeeb yog raws li hauv qab no:
Lub cable ntawm lub hnub ci cell modules feem ntau txuas ncaj qha. Lawv siv lub cable txuas rau lub module lub hlws ris lub thawv. Thaum qhov ntev tsis txaus, ib qho tshwj xeeb txuas ntxiv tuaj yeem siv tau.
Lub cable muaj peb yam tshwj xeeb. Lawv yog rau modules sib txawv zog ntau thiab tsawg. Lawv muaj thaj tsam ntawm 2.5m㎡, 4.0m㎡, thiab 6.0m㎡.
Hom kab no siv ob txheej txheej rwb thaiv tsev sheath. Nws tiv taus ultraviolet rays, dej, ozone, acid, thiab ntsev. Nws ua haujlwm zoo nyob rau txhua qhov huab cua thiab hnav-resistant.
Lub cable txuas lub roj teeb rau lub inverter. Nws yuav tsum muaj ntau txoj hlua hluav taws xob uas tau dhau qhov kev xeem UL. Cov xov hlau yuav tsum txuas nrog ze li sai tau. Xaiv cov cables luv thiab tuab tuaj yeem txiav qhov kev poob. Nws tseem tuaj yeem txhim kho kev ua tau zoo thiab kev ntseeg tau.
Lub cable txuas lub roj teeb array mus rau tus maub los lossis DC junction box. Nws yuav tsum tau siv UL-tested, multi-strand soft wire. Cov xaim ntawm qhov chaw hla ntu ua raws cov array qhov siab tshaj plaws tso zis tam sim no.
DC cable cheeb tsam yog teem raws li cov hauv paus ntsiab lus no. Cov cables txuas hnub ci cell modules, roj teeb, thiab AC loads. Lawv qhov ntsuas tam sim no yog 1.25 npaug ntawm lawv qhov max ua haujlwm tam sim no. Cov cables mus ntawm hnub ci arrays, pawg roj teeb, thiab inverters. Lub cable qhov ntsuas tam sim no yog 1.5 npaug ntawm nws qhov max ua haujlwm tam sim no.
17. Kev xaiv cov kab hluav taws xob photovoltaic:
Feem ntau, DC cables nyob rau hauv photovoltaic fais fab chaw nres tsheb yog siv rau sab nraum zoov mus ntev. Kev tsim kho tej yam kev mob txwv kev siv cov connectors. Lawv feem ntau yog siv rau kev sib txuas cable. Cable conductor cov ntaub ntawv tuaj yeem muab faib ua tooj liab thiab txhuas core.
Copper core cables muaj antioxidants ntau dua li txhuas. Lawv kuj kav ntev dua, ruaj khov dua, thiab muaj tsawg dua voltage poob thiab lub zog poob. Hauv kev tsim kho, tooj liab cores yog hloov tau. Lawv tso cai rau me me khoov, yog li lawv yooj yim tig thiab xov. Copper cores tiv taus qaug zog. Lawv tsis tawg yooj yim tom qab khoov. Yog li, kev sib txuas yog yooj yim. Nyob rau tib lub sijhawm, tooj liab cores muaj zog thiab tuaj yeem tiv taus siab nruj. Qhov no ua rau kev tsim kho yooj yim dua thiab tso cai rau cov tshuab siv.
Aluminium core cables txawv. Lawv yog cov nquag oxidation thaum lub sij hawm installation vim txhuas cov khoom siv tshuaj. Qhov no tshwm sim vim creep, ib qho cuab yeej ntawm txhuas uas tuaj yeem ua rau tsis ua haujlwm.
Yog li ntawd, aluminium core cables yog pheej yig dua. Tab sis, rau kev nyab xeeb thiab ruaj khov, siv tooj liab tub ntxhais cables hauv cov haujlwm photovoltaic.
Post lub sij hawm: Lub Xya hli ntuj-22-2024