Hnub ci cable hom-yuav ua li cas xaiv ntawm tooj liab thiab txhuas core?

Hauv cov phiaj xwm photovoltaic, kev xaiv ntawm tooj liab tub ntxhais cable lossis aluminium core cable yog qhov teeb meem ntev.Cia peb saib lawv qhov sib txawv thiab qhov zoo.

Qhov sib txawv ntawm cov tub ntxhais tooj liab thiab aluminium core

1. Cov xim ntawm ob lub cores txawv.

2. Aluminium pv hlau yog qhov sib zog ntawm qhov hnyav, tab sis lub zog ntawm lub zog ntawm cov txhuas hlau tsis zoo.

3. Nyob rau hauv tib lub zog load, vim hais tias tam sim no nqa peev xwm ntawm txhuas yog ntau me dua li tooj liab, txoj kab uas hla ntawm txhuas hlau yog loj dua li tooj liab hlau.Piv txwv li, rau lub tshuab hluav taws xob 6KW, cov tub ntxhais tooj liab hlau ntawm 6 square meters yog txaus, thiab txhuas hlau yuav xav tau 10 square meters.

4. Tus nqi ntawm aluminium yog qis dua li tooj liab, yog li tus nqi ntawm aluminium cable yog qis dua li ntawm cov tooj liab cable thaum tib qhov kev ncua deb raws li qhov yuav tsum tau muaj lub zog.Aluminium hlau kuj tseem tuaj yeem txo qhov kev pheej hmoo ntawm tub sab nyiag (vim tus nqi rov ua dua tshiab).

5. Aluminium alloy yuav siv tau raws li cov nyiaj siv ua haujlwm liab qab, feem ntau steel core aluminium stranded nyob ntawm tej, tooj liab cables feem ntau yog siv rau faus nyob ntawm tej, thiab feem ntau tsis siv rau liab qab nyob ntawm tej yam tsis muaj rwb thaiv tsev.

6. Cov hlau txhuas yog qhov yooj yim heev rau oxidize thaum kawg ntawm txoj kab txuas.Tom qab qhov kawg ntawm txoj kab kev sib txuas yog oxidized, qhov kub thiab txias yuav nce thiab qhov kev sib cuag yuav tsis zoo, uas yog ib qho kev tsis txaus siab ntau zaus (lub hwj chim tsis ua hauj lwm lossis kev sib txuas).

7. Internal kuj ntawm tooj liab hlau yog me me.Aluminium hlau muaj kev tiv thaiv ntau dua li tooj liab hlau, tab sis nws dissipates tshav kub sai dua tooj liab.

Slocable hnub ci tooj liab tub ntxhais cable

Qhov zoo ntawm cov tub ntxhais tooj liab cables

1. Tsawg resistivity: lub resistivity ntawm txhuas core cables yog hais txog 1.68 lub sij hawm siab tshaj ntawm cov tub ntxhais tooj liab cables.

2. Zoo ductility: lub ductility ntawm tooj liab alloy yog 20-40%, ductility ntawm hluav taws xob tooj liab yog ntau tshaj 30%, thaum lub ductility ntawm txhuas alloy tsuas yog 18%.

3. Lub zog siab: qhov tso cai rau kev ntxhov siab ntawm chav tsev kub tuaj yeem ncav cuag 20 rau tooj liab thiab 15.6kgt / mm2 rau txhuas.Lub zog tensile txwv yog 45kgt / mm2 rau tooj liab thiab 42kgt / mm2 rau txhuas.Tooj liab yog 7-28% siab dua aluminium.Tshwj xeeb tshaj yog qhov kev ntxhov siab ntawm qhov kub thiab txias, tooj liab tseem muaj 9 ~ 12kgt / mm2 ntawm 400oc, thaum aluminium sai poob rau 3.5kgt / mm2 ntawm 260oc.

4. Los tiv thaiv kev qaug zog: Aluminium yog ib qho yooj yim tawg tom qab rov kho dua, thaum tooj liab tsis yooj yim.Nyob rau hauv cov nqe lus ntawm elasticity Performance index, tooj liab kuj yog hais txog 1.7 mus rau 1.8 lub sij hawm siab tshaj txhuas.

5. Zoo stability thiab corrosion kuj: cov tub ntxhais tooj liab yog resistant rau oxidation thiab corrosion.Kev ua haujlwm ntawm qhov txuas ntawm cov tub ntxhais tooj liab cable yog ruaj khov, thiab yuav tsis muaj kev sib tsoo vim oxidation.Thaum lub connector ntawm aluminium core cable tsis ruaj khov, kev tiv thaiv kev tiv thaiv yuav nce vim oxidation thiab kub yuav ua rau muaj xwm txheej.Yog li ntawd, qhov xwm txheej ntawm aluminium core cables yog ntau dua li ntawm cov tub ntxhais tooj liab cables.

6. Lub peev xwm loj tam sim no-nqa: Vim qhov tsis tshua muaj zog, cov tub ntxhais tooj liab cable nrog tib ntu ntu yog li 30% siab dua qhov tso cai tam sim no-nqa peev (qhov siab tshaj plaws tam sim no tuaj yeem dhau) ntawm cov tub ntxhais aluminium cable.

7. Tsis tshua muaj hluav taws xob poob: Vim qhov tsis tshua muaj hluav taws xob ntawm cov tub ntxhais tooj liab cable, qhov hluav taws xob poob ntawm cov tub ntxhais tooj liab cable yog me me thaum tib lub tam sim no ntws hauv tib seem.Yog li ntawd, tib qhov sib kis deb tuaj yeem lav qhov zoo dua qhov hluav taws xob zoo;nyob rau hauv lwm yam lus, nyob rau hauv lub tso cai voltage poob tej yam kev mob, cov tub ntxhais tooj liab cable yuav ncav cuag ib tug ntev kev ncua deb, uas yog, lub hwj chim muab kev pab them nqi cheeb tsam yog loj, uas yog zoo rau network kev npaj thiab txo tus naj npawb ntawm lub hwj chim mov ntsiab lus.

8. Tsis tshua muaj cua sov: Nyob rau hauv tib lub tam sim no, cov tub ntxhais tooj liab cable nrog tib ntu ntu muaj cua sov me dua li cov tub ntxhais aluminium cable, uas ua rau kev ua haujlwm zoo dua.

9. Kev siv hluav taws xob tsawg: Vim tias qhov hluav taws xob tsis zoo ntawm tooj liab, piv rau txhuas cables, tooj liab cables muaj zog poob qis, uas muaj txiaj ntsig zoo los txhim kho kev siv hluav taws xob thiab tiv thaiv ib puag ncig.

10. Kev tsim kho yooj yim: Vim tias cov tub ntxhais tooj liab hloov tau yooj yim thiab qhov kev tso cai khoov lub vojvoog me me, nws yooj yim tig thiab yooj yim hla;vim hais tias cov tub ntxhais tooj liab tiv taus kev qaug zog thiab rov kho dua tsis yooj yim rau kev tawg, nws yooj yim rau kev sib txuas;thiab vim tias muaj zog txhua yam ntawm cov tub ntxhais tooj liab, nws tuaj yeem tiv taus kev sib tsoo ntau dua, uas ua rau muaj kev yooj yim rau kev tsim kho thiab tso, thiab tseem tsim cov kev mob rau kev tsim kho tshuab.

Txawm hais tias tooj liab tub ntxhais cables muaj ntau yam zoo, qhov tseeb, raws li kev txheeb cais, nyob rau hauv cov xeev uas lub tsev lag luam photovoltaic tsev neeg tsim, 70% ntawm EPC manufacturers yuav siv txhuas core cables thaum tsim thiab tsim.Nyob rau hauv txawv teb chaws, tawm photovoltaics Nyob rau hauv Is Nrias teb, Nyab Laj, Thaib teb thiab lwm qhov chaw, ib tug ntau dua feem ntawm aluminium core cables yog siv.

Piv nrog cov pa roj carbon monoxide, cov tub ntxhais tooj liab cables yog qhov zoo tshaj plaws ntawm kev nqa tam sim no, kev tiv thaiv, thiab lub zog;Txawm li cas los xij, nrog kev qhia txog kev siv thev naus laus zis thiab tsim kev txhawb nqa kev sib txuas ntawm cov terminals, txuas hniav thiab cov qauv sib txuas, aluminium alloy cables raug txiav Thaum thaj tsam tau nce mus rau 150% ntawm thaj tsam ntawm tus neeg xyuas pib tooj liab, tsis yog tsuas yog kev ua haujlwm ntawm hluav taws xob. Raws li tus neeg xyuas pib tooj liab, lub zog tensile kuj muaj qee qhov zoo ntawm tus neeg xyuas pib tooj liab, thiab qhov hnyav yog lub teeb, yog li aluminium alloy cable yog tsim rau daim ntawv thov hauv cov haujlwm photovoltaic.Cia peb saib qhov zoo ntawm aluminium alloy cables.

Slocable aluminium alloy pv hlau

Qhov zoo ntawm aluminium alloy cable

Aluminium alloy cable yog cov khoom siv hluav taws xob tshiab uas siv cov thev naus laus zis xws li cov txheej txheem nias tshwj xeeb thiab kho annealing.Aluminium alloy cables ua rau cov tsis txaus ntawm cov ntshiab txhuas cables yav dhau los, txhim kho cov hluav taws xob conductivity, khoov kev ua tau zoo, nkag tsis kam thiab corrosion tsis kam ntawm cov cable, thiab tuaj yeem ua kom muaj kev ua haujlwm tsis tu ncua ntawm cov cable thaum nws overloaded thiab overheated. ntev.Kev sib piv ntawm aluminium alloy cable thiab tooj liab tub ntxhais cable yog raws li nram no:

Kev coj ua

Piv nrog rau cov cables ntawm tib lub specification, cov conductivity ntawm txhuas alloy conductor yog 61% ntawm cov feem ntau siv cov ntaub ntawv siv tooj liab, qhov tshwj xeeb lub ntiajteb txawj nqus ntawm aluminium alloy yog 2.7g / cm³, thiab lub ntiajteb txawj nqus ntawm tooj liab yog 8.9g / cm³.Nyob rau hauv tib lub ntim, aluminium Qhov hnyav ntawm aluminium alloy fais fab cable yog li ib feem peb ntawm cov tooj liab.Raws li qhov kev suav no, qhov hnyav ntawm aluminium alloy fais fab cable yog ib nrab ntawm cov tooj liab cable nrog tib lub peev xwm nqa tam sim no nyob rau hauv qhov chaw ntawm kev sib ntsib tib yam hluav taws xob conductivity.

Creep kuj

Cov mis tshwj xeeb alloy thiab cov txheej txheem kev kho cua sov ntawm aluminium alloy tus neeg xyuas pib txo qis "kev nkag siab" ntawm cov hlau nyob rau hauv cov cua sov thiab lub siab, uas yog qhov pib zoo ib yam li qhov kev ua tau zoo ntawm tus neeg xyuas pib tooj liab, thiab ruaj khov raws li kev sib txuas ua ke. los ntawm tus neeg xyuas pib tooj liab.

Corrosion kuj

Piv nrog rau cov tub ntxhais tooj liab cables, aluminium alloy fais fab cables muaj ntau dua corrosion kuj thiab tuaj yeem tiv taus ntau hom kev xeb;lawv muaj kev tiv thaiv oxidation zoo dua, thiab lawv cov oxidation thiab corrosion kuj yog 10 mus rau 100 npaug ntawm cov tub ntxhais tooj liab cables.Nyob rau hauv ib puag ncig uas muaj leej faj, xws li railway tunnels thiab lwm qhov chaw zoo sib xws, qhov corrosion kuj ntawm aluminium alloy fais fab cables yog zoo dua li ntawm tooj liab tub ntxhais cables.

Mechanical cwj pwm

Ua ntej, khoov kev ua haujlwm.Raws li GB / T12706 ntawm lub vojvoog dabtsi yog khoov ntawm tooj liab cable installation, lub vojvoog dabtsi yog khoov ntawm tooj liab cable yog 10-20 npaug ntawm txoj kab uas hla, thiab qhov tsawg tshaj plaws khoov vojvoog ntawm aluminium alloy fais fab cable yog 7 npaug ntawm txoj kab uas hla.Kev siv cov aluminium alloy fais fab cable txo qhov chaw ntawm lub installation layout txo tus nqi installation thiab yooj yim rau nteg.

Qhov thib ob, yooj.Aluminium alloy fais fab cables yog hloov tau yooj yim dua li cov tub ntxhais tooj liab cables, thiab yuav tsis tawg txawm tias lawv rov hais dua.Txo cov teeb meem kev nyab xeeb thaum lub sijhawm teeb tsa.

Thib peb, lub zog tensile thiab elongation.Lub zog tensile ntawm aluminium alloy cables yog 1.3 npaug ntawm cov tub ntxhais tooj liab cables, thiab elongation tuaj yeem ncav cuag lossis ntau dua 30%, uas txhim kho kev ntseeg tau thiab kev zoo nkauj ntawm kev teeb tsa ntev.

Aluminium alloy conductor photovoltaic cable tuaj yeem raug txo los ntawm 0.5 yuan ib 'meter' raws li qhov yuav tsum tau ua.Txawm li cas los xij, kev siv tooj liab-aluminium composite terminals ntawm lub thawv sib txuas yuav ua rau cov nqi ua haujlwm nce ntxiv.Yog li, nws raug pom zoo kom siv EPC cov khoom, thiab tag nrho cov nqi tuaj yeem raug txo los ntawm 20% saum toj no.

Raws li kev sib piv ntawm qhov zoo thiab qhov tsis zoo, nws feem ntau yog nyob ntawm kev siv-tag nrho ib puag ncig yam tseem ceeb, kev sib raug zoo (xws li tub sab nyiag, thiab lwm yam), kev tsim qauv (ntau dhau tam sim no tsis tuaj yeem ua tau raws li cov xov hlau txhuas uas twb muaj lawm, uas muaj ntau yam tsawg. -voltage thiab high-power loads), peev nyiaj txiag thiab ntau lwm yam.Nws yog qhov zoo thaum siv qhov tsim nyog, thiab tsis muaj txoj hauv kev ncaj qha los txiav txim qhov twg yog qhov zoo thiab qhov phem.