1.What yog hnub ci cable?
Hnub ci clesles yog siv rau kev kis hwj chim. Lawv tau siv nyob rau hauv DC sab ntawm lub hnub ci zog. Lawv muaj cov yam ntxwv zoo lub cev. Cov no suav nrog kev tiv thaiv mus rau qhov siab thiab kub tsawg. Tsis tas li, rau UV hluav taws xob, dej, ntsev tsuag, qaug zog acids, thiab qaug zog alkalis. Lawv kuj tseem tiv thaiv kev laus thiab nplaim taws.
Cov xov tooj pheebsoltoltaic kuj tseem yog hnub ci tshwj xeeb tshwj xeeb. Lawv feem ntau yog siv hauv cov huab cua hnyav. Cov Qauv Qauv suav nrog PV1-F thiab H1Z2Z2Z2-k.Dananyang WinPoweryog lub hnub ci cable chaw tsim tshuaj
Hnub ci cables feem ntau nyob rau hnub ci. Hnub ci zog yog feem ntau nyob rau hauv cov xwm txheej hnyav. Lawv ntsib kub thiab UV hluav taws xob. Hauv Tebchaws Europe, hnub ci ntsa iab yuav ua rau lub tshuab kub ntawm lub hnub ci zog kom ncav cuag 100 ° C.
Cov xov tooj pheeb suab cables yog ib qho composite cable tau nruab rau Solig cell modules. Nws muaj insulating npog thiab ob daim ntawv. Cov foos yog ib leeg-tub ntxhais thiab ob npaug-tub ntxhais. Cov xov hlau yog ua los ntawm galvanized steel.
Nws tuaj yeem thauj hluav taws xob hluav taws xob hauv lub hnub ci cell. Qhov no tso cai rau cov hlwb rau cov khoom siv fais fab.
2. Cov Khoom Siv Khoom:
1) Tus neeg xyuas pib: Tinned tooj liab hlau
2) cov khoom siv sab nraud: XLPE (tseem hu ua: hla-txuas Polyethylene) yog cov khoom siv insulating.
3. Cov Qauv:
1) Feem ntau cov tooj liab ntshiab lossis tinned tooj liab tub ntxhais xeeb tub yog siv
2) Sab hauv rwb thaiv tsev thiab sab nraud rwb thaiv tsev sheath yog 2 hom
4. Nta:
1) Qhov loj me thiab lub teeb hnyav, lub zog txuag thiab kev tiv thaiv ib puag ncig.
2) Cov cuab yeej ua kom zoo thiab tshuaj lom neeg ruaj khov, muaj peev xwm tam sim no nqa khoom;
3) me me, lub teeb yuag thiab tus nqi qis dua li lwm cov cable zoo sib xws;
4) Nws muaj: cov dej xeb ua tau zoo, siab kub ua kom tsis kam, thiab kua qaub thiab alkali tsis kam. Nws kuj tau hnav tsis kam thiab tsis yog eroded los ntawm ya raws. Nws tuaj yeem siv rau hauv cov chaw muaj teeb meem. Nws muaj kev ua tau zoo los tiv thaiv kev ua haujlwm, thiab lub neej kev pabcuam ntev.
5) Nws yog pheej yig. Nws tuaj yeem siv hauv cov dej phwj tuaj, dej nag, thiab UV rays. Nws kuj tseem siv tau rau hauv lwm cov xov xwm muaj zog, xws li cov kua qaub thiab alkalis.
Pheebsoltaic clesles muaj cov qauv yooj yim. Lawv siv cov rwb thaiv tsev polyolefas rwb thaiv tsev. Cov khoom siv no muaj cua sov zoo heev, txias, roj, thiab UV tsis kam. Nws tuaj yeem siv nyob rau hauv cov xwm txheej phem ib puag ncig. Nyob rau tib lub sijhawm, nws muaj qee lub zog tensile. Nws tuaj yeem ua kom tau raws li cov kev xav tau ntawm hnub ci zog hauv lub sijhawm tshiab.
5. Qhov Zoo
Tus neeg saib xyuas tiv thaiv corrosion. Nws yog ua los ntawm tinned mos tooj liab xaim, uas tiv thaiv corrosion zoo.
Lub rwb thaiv tsev yog ua los ntawm cov khaub thuas-resistant, cov pa hluav taws xob tsawg, halogen-dawb cov khoom siv. Nws tuaj yeem tiv taus -40 ℃ thiab muaj qhov ua tau zoo txias.
3) Nws tiv taus cov kub. Lub sheath yog ua los ntawm tshav kub-resistant, cov pa hluav taws xob tsawg, halogen-dawb cov khoom siv. Nws tuaj yeem coj qhov kub ntev txog 120 ℃ thiab muaj cov kev tiv thaiv kub zoo heev.
Tom qab irradiation, cable lub rwb thaiv tsev nce ntxiv lwm yam khoom. Cov no suav nrog anti-UV, cov roj tiv taus roj av, thiab ntev nyob ntev.
6. Cov yam ntxwv:
Lub cable cov yam ntxwv los ntawm nws cov rwb thaiv tsev tshwj xeeb thiab cov ntaub ntawv pov thawj. Peb hu lawv hla hla PE. Tom qab irradiation los ntawm tus tsuj roj, cov khoom siv cable cov qauv molecular yuav hloov. Qhov no yuav txhim kho nws qhov kev ua tau zoo hauv txhua txoj kev.
Lub cable tiv thaiv cov neeg kho tshuab thauj. Thaum lub sij hawm teeb tsa thiab kev txij nkawm, nws tuaj yeem nyob ntawm lub ntsej muag ntse ntawm lub hnub qub sab saum toj qauv. Lub cable yuav tsum wrdstand nyem, khoov, nro, hla kev ruaj khov, thiab muaj kev cuam tshuam loj.
Yog hais tias lub cable sheath tsis muaj zog txaus, nws yuav ua rau lub cable fij. Qhov no yuav ua kom lub cable lub neej lossis ua teeb meem xws li cov teeb meem luv luv, hluav taws kub, thiab raug mob.
7. Nta:
Kev nyab xeeb yog qhov txiaj ntsig loj. Cov kab ke muaj cov hluav taws xob zoo sib xws thiab muaj zog hluav taws xob. Lawv tuaj yeem ua rau cov hluav taws xob ntau thiab cov kub, thiab tiv taus huab cua kev laus. Lawv rwb thaiv tsev yog qhov ruaj khov thiab ntseeg tau. Nws kom ntseeg tau tias AC qib yog sib npaug ntawm cov khoom siv thiab ua tau raws li kev ua kom muaj kev nyab xeeb.
2) photovoltaic cables yog tus nqi-ua tau zoo ntawm kev xa khoom siv hluav taws xob. Lawv tseg lub zog ntau dua li PVC cable. Lawv tuaj yeem kuaj lub cev puas tsuaj sai thiab raug. Qhov no txhim kho kev nyab xeeb thiab kev ruaj khov thiab txiav cov nqi txij nkawm.
3) Yooj Yim Installation: PV Cables muaj qhov chaw du. 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 kev muab nyiaj kom 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 cov chaw khaws tseg.
4) Cov ntaub ntawv raw ntawm photovoltaic cov kab ke ua raws cov cai tiv thaiv ib puag ncig. Lawv ua tau raws cov khoom siv cov khoom siv thiab lawv cov qauv. Thaum siv thiab teeb tsa, txhua cov toxins thiab kev tso pa tawm tau raws li cov cai ib puag ncig.
8. Kev Ua Haujlwm (Kev Ua Hluav Taws Xob)
1) DC tus yam ntxwv: Lub dc kuj ntawm cov tub ntxhais ua tiav ntawm lub tawb tiav ntawm 20 ° C tsis loj dua 5.09ω / km.
2) Qhov kev xeem yog rau kev siv dej hluav taws xob rau cov roj hluav taws xob. Lub tiav Cable (20m) raug muab tso rau hauv (20 ± 5) ℃ Dej rau 1h. Tom qab ntawd, nws tau sim nrog 5min voltage kuaj (ac 6.5kv lossis DC 15KV) yam tsis tau tawg.
Cov qauv tiv thaiv DC volfage rau lub sijhawm ntev. Nws yog 5m ntev thiab hauv dej distilled nrog 3% nacl ntawm (85 ± 2) ℃ rau (240 ± 2) h. Ob qho tag kis tau nthuav tawm rau dej rau 30cm.
Lub DC voltage yog thov ntawm cov tub ntxhais thiab dej. Cov tub ntxhais ua hluav taws xob. Nws tau txuas nrog tus ncej zoo. Cov dej txuas nrog tus ncej tsis zoo.
Tom qab coj tawm cov qauv, lawv nqa tawm cov dej uas siv hluav taws xob. Qhov kev xeem voltage yog AC
4) Cov rwb thaiv tsev tsis kam ntawm lub cable tiav ntawm 20 ℃ tsis tsawg tshaj 1014 as -k. Nyob rau ntawm 90 ℃, nws tsis yog tsawg tshaj 1011 as.
5) Lub sheath muaj qhov chaw saum npoo. Nws yuav tsum muaj tsawg kawg yog 109ω.
9. Cov ntawv thov
Cov ntaub pua hluav taws xob pheeb suab feem ntau siv hauv cua ua liaj ua teb. Lawv muab hwj chim thiab cuam tshuam rau photovoltaic thiab cua fais fab.
2) Hnub ci hluav taws xob siv siv photovoltaic cables. Lawv txuas cov hnub ci cell modules, sau hnub ci zog, thiab hloov fais fab kev nyab xeeb. Lawv kuj txhim kho cov khoom siv fais fab fais fab.
3) Chaw nres tsheb loj: photovoltaic cables kuj tseem tuaj yeem txuas cov khoom siv hluav taws xob muaj nyob ntawd. Lawv sau cov khoom siv tsim tawm thiab ua kom lub zog loj ruaj khov. Lawv kuj tau txiav cov nqi fais fab thiab ua kom muaj zog siv hluav taws xob.
4) photovoltaic cables muaj lwm yam kev siv. Lawv txuas cov hnub ci trackers, invererers, panels, thiab teeb. Cov thev naus laus zis yooj yim cables. Nws yog ib qho tseem ceeb hauv kev tsim qauv ntsug. Qhov no tuaj yeem txuag lub sijhawm thiab txhim kho kev ua haujlwm.
10. Kev Ua Haujlwm Siv
Nws yog siv rau hnub ci fais fab chaw lossis hnub ci chaw. Nws yog rau cov khoom siv hluav taws xob thiab kev sib txuas. Nws muaj lub peev xwm muaj zog thiab huab cua tsis kam. Nws yog txoj cai rau siv nyob rau hauv ntau lub chaw nres tsheb chaw nres tsheb thoob ntiaj teb.
Raws li cov cable rau hnub ci pab kiag li lawm, nws tuaj yeem siv sab nraum zoov hauv huab cua sib txawv. Nws tseem tuaj yeem ua haujlwm hauv cov chaw sab hauv thiab noo.
Cov khoom no yog rau cov khoom muag muag nrog ib qho tseem ceeb. Lawv tau siv rau ntawm CD sab ntawm cov hnub ci. Cov kab ke muaj max dc voltage ntawm 1.8kv (tub ntxhais mus rau cov tub ntxhais, tsis-hauv av). Qhov no yog raws li tau piav qhia hauv 2PFG 1169 / 08.2007.
Cov khoom no yog rau kev siv ntawm chav kawm qib II kev nyab xeeb. Lub cable tuaj yeem ua haujlwm txog li 90 ℃. Thiab, koj tuaj yeem siv ntau cov xaim hauv parallel.
11. Cov Nta Tseem Ceeb
1) tuaj yeem siv nyob rau hauv lub hnub ncaj qha
2) Siv tau qhov kub ambient kub -40 ℃ ~ + 90 ℃
3) Kev Pab Lub Neej yuav tsum muaj ntau tshaj 20 xyoo
4) Tsuas yog 62930 IEC 133/134, lwm hom cables yog ua los ntawm nplaim-retardant polyolefras. Lawv yog cov pa luam yeeb tsawg thiab halogen-dawb.
12. Hom:
Nyob rau hauv cov kab ke ntawm lub hnub ci chaw nres tsheb, cov xaim tau muab faib ua DC thiab AC cables. Raws li cov kev siv sib txawv thiab kev siv ib puag ncig, lawv tau raug cais raws li hauv qab no:
DC cov qoob loo feem ntau siv rau:
1) cov lus sib txuas ntawm cov khoom siv;
Kev sib txuas yog sib txuas. Nws yog ntawm cov hlua thiab ntawm cov hlua thiab DC Faib Cov thawv (cov thawv sib txuas).
3) ntawm DC faib cov thawv thiab inverters.
AC cables feem ntau siv rau:
1) kev sib txuas ntawm inverers thiab kauj ruam transformers;
2) kev sib txuas ntawm cov hloov pauv hloov pauv thiab xa khoom siv hluav taws xob;
3) Kev sib txuas ntawm cov khoom faib thiab cov pob fais fab lossis cov neeg siv.
13. Qhov zoo thiab qhov tsis zoo
1) Zoo:
a. Txhim khu kev qha zoo thiab kev tiv thaiv zoo ib puag ncig;
b. Kev siv dav thiab muaj kev nyab xeeb;
c. Yooj yim rau nruab thiab yig;
d. Tsawg tus neeg hloov fais fab tuag thiab lub teeb liab me me.
2) Qhov tsis zoo:
a. Qee qhov yuav tsum tau lees paub ib puag ncig;
b. Tus nqi siab thiab tus nqi nruab nrab;
c. Luv kev pabcuam lub neej thiab kev ua haujlwm dav dav.
Hauv ntej, photovoltaic cable yog heev pab tau. Nws yog rau kev xa khoom, txuas, thiab tswj cov hwj huam. Nws yog txhim khu kev qha, me me, thiab pheej yig. Nws lub hwj huam kis yog ruaj khov. Nws yog ib qho yooj yim rau nruab thiab tswj. Nws siv yog qhov ua tau zoo dua thiab muaj kev nyab xeeb dua li PVC xaim vim nws ib puag ncig thiab lub zog kis.
14. Kev ceev faj
Photovoltaic cab yuav tsum tsis txhob muab tso rau kev siv nyiaj. Lawv tuaj yeem ua tau, yog txheej txheej hlau ntxiv.
Phabtomtoltaic yuav tsum tsis txhob nyob hauv dej ntev. Lawv kuj yuav tsum tau cia tawm ntawm cov chaw noo kom ua haujlwm.
3) pheebsovoltaic yuav tsum tsis txhob faus ncaj qha rau hauv av.
4) Siv cov ntaub ntawv tshwj xeeb photovoltaic rau photovoltaic cables. Cov kws kho mob tshaj lij yuav tsum nruab lawv.
15. Xav tau:
Tsawg-voltage dc kis hauv cov nruab hnub ci muaj qhov sib txawv. Lawv sib txawv los ntawm cov khoom siv thiab kev xav tau kev xav tau. Qhov xwm txheej los txiav txim siab yog rwb thaiv tsev cab thaiv, kub tsis kam, thiab nplaim taws tiv thaiv. Tsis tas li, high laus thiab coer coer.
DC cov qoob loo feem ntau yog nteg sab nraum zoov. Lawv yuav tsum tau ua pov thawj tiv thaiv noo noo, hnub, txias, thiab UV. Yog li ntawd, DC cables hauv kev faib cov xov tooj photovoltaic siv cov xaim tshwj xeeb. Lawv muaj photovoltaic ntawv pov thawj.
Hom kev sib txuas no siv ib txheej ob npaug rwb thaiv tsev sheath. Nws muaj qhov ua tau zoo heev rau UV, dej, ozone, acid, thiab ntsev. Nws tseem muaj cov huab cua huab cua zoo heev thiab hnav tsis kam.
Xav txog DC txuas thiab cov zis tam sim no ntawm PV lauj. Cov feem ntau siv PV li PVles yog PV1-F1 * 4mm2, PV1-F1 * 6mm2, thiab lwm yam.
16. Xaiv:
Cov kab cables yog siv nyob rau hauv qhov tsawg-voltage DC feem ntawm lub hnub ci. Lawv muaj cov cai sib txawv. Qhov no yog vim tias qhov sib txawv ntawm kev siv ib puag ncig. Tsis tas li, cov txuj ci siab xav tau kev sib txuas sib txawv. Koj yuav tsum xav txog qee yam. Cov no yog: Cable rwb thaiv tsev, kub ua hauj, nplaim taws ua hauj, laus, thiab co voos.
Cov kev cai tshwj xeeb yog raws li hauv qab no:
Lub cable ntawm Solar cell modules feem ntau yog feem ntau txuas ntxiv txuas. Lawv siv cov cable txuas rau tus module qhov kev tshuam lub thawv. Thaum qhov ntev yog tsis txaus, ib qho tshwj xeeb txuas cable tuaj yeem siv tau.
Lub cable muaj peb qhov kev qhia tshwj xeeb. Lawv yog rau cov qauv ntawm cov khoom siv sib txawv ntau thiab tsawg. Lawv muaj ib thaj chaw hla ntawm 2.5m㎡, 4.0M㎡, thiab 6.0m㎡.
Cov hom cable no siv ob-txheej rwb thaiv tsev sheath. Nws tiv taus ultraviolet rays, dej, ozone, acid, thiab ntsev. Nws ua haujlwm tau zoo hauv txhua lub huab cua thiab hnav-resistant.
Cov cable txuas lub roj teeb rau inverter. Nws yuav tsum muaj Multi-Strand mos muag hlau uas tau dhau qhov kev xeem ul. Cov xov hlau yuav tsum sib txuas nrog kom ze li sai tau. Xaiv cov luv luv thiab tuab cov cable tuaj yeem txiav cov kab ke poob. Nws tseem tuaj yeem txhim kho kev ua tau zoo thiab ntseeg tau.
Cov cable txuas lub roj teeb array rau tus maub los lossis dc lub thawv hlws ris. Nws yuav tsum tau siv cov kev xeem ul-kuaj, ntau-strand mos hlau hlau. Cov hlau hla kev hla ntawm ntu ua raws cov array cov zis ntau tshaj plaws tam sim no.
Lub DC cable cheeb tsam tau teeb tsa raws li cov ntsiab cai no. Cov cable no txuas cov txheej txheem cell cell cell, roj teeb, thiab AC loads. Lawv cov rated tam sim no yog 1.25 zaug lawv cov max ua haujlwm tam sim no. Cov cables mus nruab nrab ntawm solar arrays, roj teeb cov pab pawg, thiab inverters. Lub cable's rated tam sim no yog 1.5 zaug nws max ua haujlwm tam sim no.
17. Xaiv cov photovoltaic cable:
Feem ntau, cov ntaub ntawv DC hauv photovoltaic yog rau kev siv sab nraum zoov ntev. Kev tsim kho cov xwm txheej txwv kev siv cov txuas. Lawv feem ntau siv rau cable kev sib txuas. Cov khoom siv cable no tuaj yeem muab faib ua tooj liab thiab cov tub ntxhais qub.
Tooj liab core canles muaj ntau antioxidant tshaj txhuas. Lawv tseem nyob ntev dua, muaj zog dua, thiab muaj tsawg 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. Tooj liab cores tiv taus kev qaug zog. Lawv tsis tawg yooj yim tom qab khoov. Yog li, txoj kab txuas yog yooj yim. Nyob rau tib lub sijhawm, tooj liab cores muaj zog thiab tuaj yeem tiv thaiv siab qhov siab. Qhov no ua rau kev siv kev tsim yooj yim dua thiab tso cai rau cov tshuab siv.
Aluminium core cables yog qhov sib txawv. Lawv nquag nquag ua rau oxidation thaum lub sijhawm txhim kho vim yog txhuas cov tshuaj lom neeg. Qhov no tshwm sim vim tias creep, ib qho cuab yeej ntawm txhuas uas tuaj yeem yooj yim vim ua tsis tiav.
Yog li ntawd, cov cable coinate yog pheej yig dua. Tab sis, rau kev nyab xeeb thiab kev ua haujlwm ruaj khov, siv tooj liab core cables hauv photovoltaic tej yaam num.
Lub Sijhawm Post: Jul-22-2024