Raws li lub ntiaj teb xav tau rau lub zog txuas ntxiv, hnub ci zog, ua lub zog huv thiab muaj zog ntawm lub tsev uas nyiam nyiam rau ntau lub tsev, kev lag luam thiab muaj cov tsev. Solar photochtaic (PV lub tshuab) hloov hnub ci zog rau hauv hluav taws xob lub zog los ntawm lub zog ci ntsa iab, muab cov neeg siv lub zog ntsuab. Txawm li cas los xij, thaum lub tsev tsim lub hnub ci zog, nws yog qhov tseem ceeb los xaiv txoj cai cable. Hnub ci cable ua ib lub luag haujlwm tseem ceeb hauv cov kab ke. Nws yog lub luag haujlwm rau txuas cov khoom sib txuas tseem ceeb xws li cov khoom siv hnub ci, inverers, thiab roj teeb kom ntseeg tau tias qhov kev sib raug hluav taws xob thiab kev nyab xeeb thiab kev nyab xeeb thiab ruaj khov ntawm lub system.
Hauv cov ntsiab lus no, cov lus nug nquag yog:Cov xov tooj ib txwm siv es tsis siv es tsis txhob mob siab rau hnub ci ntsa iab? Kab lus no yuav tshawb txog qhov teeb meem no nyob rau hauv qhov sib txawv thiab cov xaim hauv lub hnub ci kom tau txais kev pab kom nkag siab qhov tseeb hauv kev thov sau cov xwm txheej sib txawv.
1. Cov ntsiab lus tseem ceeb ntawmHnub Ci CableThiab cov hlau qub
Ua ntej tshaj plaws, nws yog ib qho tseem ceeb kom nkag siab cov ntsiab lus yooj yim ntawm ob.
Hnub ci cable:Ib lub cable tsim tshwj xeeb rau photovoltaic uas txuas nrog cov khoom siv hnub ci rau cov khoom siv xws li cov inverters, cov tswj hwm kev tswj hwm, thiab roj teeb. Cov qauv tsim ntawm lub hnub ci clesles yuav tsum tau siv mus rau hauv tus account qhov chaw ntawm kev kub sab nraum zoov, ultraviolet hluav taws xob, noo noo, thiab cov tshuaj tsuag. Photovoltaic cov hlau feem ntau muaj cov kev tiv taus siab, UV tsis kam, thiab kub ua haujlwm kom ntseeg tau tias ntev kev ua haujlwm ntev ntawm cov kab ke.
Qub Hlau:Cov xov hlau feem ntau siv rau cov khoom siv hluav taws xob, kab hlau hauv tsev, thiab kev lag luam. Cov hlau no tau tsim tshwj xeeb tsuas yog rau cov huab cua sab hauv lossis huab cua sov thiab muaj tsawg puag ncig lub zog. Cov txheej txheem sab nraud ntawm cov xov hlau zoo tib yam nkaus feem ntau yog PVC (polyvinyl chloride), uas tsis muaj qhov kub tsis kam, thiab corrosion kuj yuav tsum muaj rau hnub ci.
2. Lub ntsiab sib txawv ntawm lub hnub ci cirles thiab cov xov hlau zoo tib yam
2.1 ib puag ncig kev yoog raws
Hnub ci cable:Hnub ci cables yuav tsum tau ua haujlwm ntev rau sab nraum zoov ib puag ncig. Cov kab ke ntawm photovoltaic feem ntau yuav tsum tau nthuav tawm txog hnub ci, uas yuav tsum tau cov qoob loo los tiv thaiv muaj zog ultraviolet hluav taws xob. Yog tias siv cov xov hlau zoo ib yam nkaus, ultraviolet hluav taws xob yuav ua rau txheej sab nraud ntawm cable rau hnub nyoog rau hnub nyoog thiab tawg, qhov kev pab cuam lub neej ntawm lub neej. Cov ntaub pua av sab nraud feem ntau yog ua los ntawm UV-resistant cov ntaub ntawv (xws li cuam tshuam nrog cov kev cuam tshuam ntawm ultraviolet rays.
Qub Hlau:Cov xov xwm ib txwm siv nyob rau hauv ib puag ncig sab hauv tsev lossis tsuas yog huab cua dav dav, yog li nws tsis tas yuav ua UV tiv taus. Nws cov hmoov nplej sab nraud feem ntau yog ua los ntawm PVC, uas dhau los ua rau hauv UV hluav taws xob thiab muaj kev puas tsuaj rau kev laus thiab kev puas tsuaj thaum lub hnub ci ntev. Yog li ntawd, cov hlau tsis siv tsis haum rau cov hnub ci hnub ci sab nraum zoov.
2.2 kub siab ntev
Hnub ci cable:Cov kab ke nyob rau hauv photovoltaic yuav tsum tau tiv thaiv qhov loj loj, tshwj xeeb tshaj yog cov cabar nyob ze hnub ci, uas yuav xav tau cov cua sov siab (txog li 90 degree lossis siab dua). Cov ntaub ntawv siv nyob rau hnub ci clesles, xws li hla-txuas Polyethylene (XLPE), muaj cov kev ntseeg tau zoo thiab ntev kev ntseeg tau ntawm cov hluav taws xob ib puag ncig.
Qub Hlau:Qub hlau feem ntau haum rau sab hauv tsev, thiab nws qhov kub tsis kam yog tsawg. Nws tsuas yog tiv thaiv qhov kub tshaj plaws ntawm txog 60 degree rau 75 degree. Yog tias siv cov hlau qub yog siv rau hauv ib puag ncig kub siab, nws yuav ua rau puas rau cov kav hlau rwb thaiv tsev, thiab muaj teeb meem kev nyab xeeb xws li luv luv hluav taws xob lossis hluav taws kub.
2.3 voltage nqa muaj peev xwm
Hnub ci cable:Feem ntau cov photovoltaic feem ntau yuav tsum muaj cov hluav taws xob siab dua, tshwj xeeb tshaj yog nyob rau hauv cov hluav taws xob loj, qhov twg cov voltage yuav ncav cuag 1000v lossis txawm tias 1500v. Lub rwb thaiv tsev txheej ntawm photovoltaic cables yog tsim los tiv thaiv cov siab siab no yam tsis muaj hluav taws xob kev puas tsuaj lossis rwb thaiv tsev puas tsuaj.
Qub Hlau:Cov xov hlau ib txwm muaj qis dua cov hluav taws xob nqa tau. Feem ntau cov xov hlau tau nyob ntawm 600V lossis qis dua, yog li lawv tsis tuaj yeem ntsib lub tshuab hluav taws xob siab uas yuav tsum muaj ntawm cov hnub ci. Cov xov tooj ib txwm tsis tuaj yeem muab kev nyab xeeb kom txaus, thiab lawv siv hauv lub hnub ci tuaj yeem ua rau hluav taws xob luv luv, hluav taws xob rhuav tshem thiab lwm yam teeb meem.
2.4 Corrosion thiab Laus Kuj
Hnub ci cable:Cov ntaub ntawv siv hauv photovoltaic tuaj yeem tiv thaiv corrosion los ntawm cov tshuaj tiv thaiv corrosive xws li noo noo, kua qaub, kua qaub thiab alkali. Qhov no yog qhov tshwj xeeb tshaj yog qhov tseem ceeb rau photovoltaic tshuab tau nruab ntawm cov hav dej hiav txwv lossis hauv cov huab cua siab ib puag ncig. Hnub ci cables kuj muaj cov khoom siv tiv thaiv laus thiab tuaj yeem ua haujlwm ntxiv rau 20 txog 30 xyoo lossis ntev dua nyob rau hauv cov xwm txheej hnyav hauv kev ua phem.
Qub Hlau:Lub ntsej muag sab nraud ntawm cov xov xwm ib txwm yog ua los ntawm pvc lossis roj hmab khoom. Txawm hais tias nws muaj qee qhov kev kho mob corrosion, cov rwb thaiv tsev txheej thiab cov tshuaj pov tseg rau sab nraud (xws li cov tshuaj noo thiab noo noo), uas muaj cov tshuaj tsuag sab nraud (uas muaj ntsev), uas muaj cov tshuaj tsuag sab nraud (uas muaj ntsev), uas muaj cov tshuaj tsuag sab nraud (uas muaj ntsev), uas muaj cov tshuaj tsuag sab nraud (uas muaj ntsev), uas muaj cov tshuaj tsuag sab nraud (uas muaj ntsev), uas muaj cov tshuaj tsuag sab nraud (uas muaj ntsev), uas muaj cov tshuaj tsuag sab nraud (uas muaj ntsev), uas muaj cov tshuaj tsuag sab nraud (uas muaj ntsev), uas muaj cov tshuaj tsuag sab nraud (uas muaj ntsev), uas muaj cov tshuaj tsuag sab nraud (uas muaj ntsev), uas muaj cov tshuaj tsuag sab nraud (uas muaj ntsev), uas muaj cov tshuaj tsuag sab nraud (uas muaj ntsev), uas muaj cov ntsev nyob hauv lub neej ntawm lub neej ntawm cov xaim.
2.5 Kev Nyab Xeeb thiab Qauv
Hnub ci cable:Hnub ci Cable tsim qauv ua kom nruj thoob ntiaj teb cov qauv kev nyab xeeb, thiab lwm yam kev nqus dej, thiab nyob ruaj khov raws li cov hluav taws xob hluav taws xob thiab lub sijhawm ntev.
Qub Hlau:Tus qauv tsim ntawm cov hlau tsis zoo yog kev txhawj xeeb ntau nrog cov khoom siv hluav taws xob tsawg hluav taws xob. Nws cov qauv kev nyab xeeb thiab nqa muaj peev xwm yog qhov muaj peev xwm tsawg, thiab nws tsis haum rau cov hluav taws xob ntau thiab cov kev ua haujlwm nyuaj ntawm photovoltaic. Siv hlau hlau siv yuav ua rau muaj kev pheej hmoo ntawm cov kab ke tsis ua haujlwm, hluav taws, thiab lwm yam.
3. Vim li cas tsis tau cov hlau tsis sib xws siv hloov cov hnub ci cable?
3.1 Kev Nyuaj Siab Rau Lub Cev
Lub rooj sib tw li qub lub cev muaj kev sib tw xws li hluav taws xob hluav taws xob sib tw, ntsuas kub, av noo, thiab ntsev tsuag dej hauv chaw sab nraum zoov.PV cablesyog tsim los tiv thaiv cov ib puag ncig no, thaum cov xov hlau zoo tib yam tsis tuaj yeem tiv thaiv cov kev cov nyom no. Siv cov kav hlau zoo tib yam yuav ua rau tawg, kev laus thiab hluav taws xob tsis ua tiav ntawm cov cable sab nraud, yog li cuam tshuam nrog kev nyab xeeb thiab ruaj khov ntawm tag nrho PV system.
3.2 hluav taws xob ua tau tsis sib haum xeeb
Cov xaim hauv pv system yuav tsum tsis tau tsuas yog nqa cov hluav taws xob siab, tab sis kuj tseem ua haujlwm stables kom ntev nyob rau hauv lub sijhawm siab. Qhov hluav taws xob nqa tau ntawm cov xov hlau ib txwm muaj feem ntau, thiab siv cov xov hlau zoo ib yam nkaus li muaj teeb meem, arcing, thiab luv luv voj voog. Tsis tas li ntawd, cov rwb thaiv tsev txheej ntawm cov xov hlau zoo tib yam feem ntau yuav tsum tau ua kom muaj peev xwm tiv taus cov kev tiv thaiv qib siab uas yuav tsum tau los ntawm PV system, tshaj tawm kev nyab xeeb kev nyab xeeb.
3.3 kev txo qis
Qhov kev ua tau zoo ntawm cov xov hlau zoo ib txwm yog tsis zoo li ntawm PV cables, qhov kub tshaj plaws ntawm lub cable yuav maj mam poob, ua rau txo qis zog kis tau zoo. PV cables siv cov ntaub ntawv zoo heev thiab tsim qauv zoo tshaj plaws kom ntseeg tau tias cov haujlwm ruaj khov ntawm hnub ci zog.
3.4 Kev Pab Cuam luv Lub Neej
Vim tias cov neeg txom nyem tsis kam, UV tiv taus thiab corrosion tsis kam ntawm cov xov hlau zoo tib yam, lawv lub neej pabcuam hauv lub hnub ci hluav taws xob feem ntau luv. Kev siv lub sijhawm ntev yuav xav tau hloov cov xov hlau ntau zaus, nce tus nqi kho thiab kev ua haujlwm. Lub neej tsim lub neej ntawm photovoltaic feem ntau yog 25 xyoo lossis ntev dua, uas tuaj yeem txo cov nqi ntev ntev thiab hloov tus nqi.
4. Xaiv cov photovoltaic cables
Thaum xaiv txoj cai photovoltaic cable, nws yog ib qho tseem ceeb heev los xav txog qhov hauv qab no:
YUAV TSUM:Xaiv cov xees raws li kev ua haujlwm voltage ntawm lub hnub ci. Piv txwv li, 1000V thiab 1500v systems yuav tsum tau xaiv photovoltaic cov qoob loo uas tuaj yeem tiv thaiv cov feem no.
Ib puag ncig cov xwm txheej:Xaiv cov xaim uas tiv thaiv kev kub siab, UV hluav taws xob, thiab corrosion raws li cov kab ke (xws li nyob sab hauv tsev, sab nraud, los ntawm hiav txwv, thiab lwm yam).
Cov Qauv Siv:Feem ntau hais lus, tooj liab cables tau zoo dua thiab tsim nyog rau cov tshuab uas xav tau siv cov khoom siv hluav taws xob zoo ib yam vim tias lawv sib dua thiab tsis tshua kim.