Thaum xaiv cov khoom siv hnub ci hnub ci (PV) cov tshuab, ib qho tseem ceeb tshaj plaws los xav txog yog lub cable huab cua tsis kam. Hnub ci sib nraus feem ntau yog nyob sab nraud, qhov twg ib coables yog qhov kub thiab muaj nag, cov huab cua, av noo, thiab muaj zog cua daj cua dub. Lub peev xwm ntawm lub hnub ci cables mus tiv thaiv cov huab cua huab cua phem ncaj qha cuam tshuam kev nyab xeeb, kev ntseeg tau, thiab lub zog ntawm tag nrho lub hnub ci zog.
Ntawm ntau hom ntawm lub hnub ci xov hlau,PV {1- f cablesFeem ntau siv vim lawv txoj kev tsim kho kom zoo thiab haum rau txoj kev ua si sab nraud. Tab sis yuav ua li cas huab cua-resistant yog pv 1- f cables, thiab lawv puas tuaj yeem ua kom haum rau huab cua phem? Hauv tsab xov xwm no, peb yuav tshawb txog huab cua tsis kam ntawm PV 1-}} f clest force huab huab xws li kub, UV hluav taws xob, thiab hnav lub cev.
1. Dab tsi yogPV 1- f Cable?
PV {1- f Cable yog tsim tshwj xeeb rau siv hauv photovoltaic, suav nrog cov vaj huam sib luag, inverters. Lub cable feem ntau yog tsim nrog tus thawj coj tooj liab, thiab cov txheej txheem tiv thaiv txheej txheem, thiab cov pa hluav taws xob oSZH (tsawg). PV {{{{{2} f Cable yog tsim los nqa hluav taws xob kom muaj inverters thiab lwm yam system, ua rau lawv ib qho tseem ceeb ntawm lub hnub ci zog.
Cov ntaub pua no tau siv dav nyob rau hauv cov chaw nyob, ua lag luam, thiab kev lag luam hnub ci. Lawv tau tsim los ua kom tau raws li ntau tus qauv hauv ntiaj teb, kom lawv muaj kev nyab xeeb, txhim khu kev qha, thiab muaj peev xwm ua tau los ntawm kev sib tw ib puag ncig.
2. Qhov tseem ceeb ntawm huab cua-tiv thaiv hauvHnub ci cables
Huab cua tiv thaiv yog hais txog lub peev xwm ntawm lub hnub ci hlau kom tiv thaiv ib puag ncig ib puag ncig cov kev ntxhov siab, UV Hluav Taws Xob, thiab kev puas tsuaj ntawm lub cev yam tsis tau poob nws cov chaw ua haujlwm. Txij li cov xov xwm hnub ci tau tshwm sim rau cov ntsiab lus ntev ntev, nws yog qhov tseem ceeb uas lawv tsim los tawm tsam ib puag ncig. Yog tsis ua li cas tuaj yeem ua rau cov rwb thaiv tsev tawg, hlau puas, muaj xwm txheej hluav taws xob, thiab thaum kawg, system tsis ua haujlwm.
Muaj ob peb lub tswv yim huab cua tseem ceeb yuav tsum muaj kev tiv thaiv kom ua haujlwm rau kev ua siab zoo hauv kev ua si sab nraum zoov:
Qhov kub hloov pauv (ob qho siab thiab qis dua)
UV hluav taws xob los ntawm lub hnub
Noo noo thiab dej raug
Lub cev ua paug los ntawm cua lossis daus
Tshuaj lom raug rau cov pa paug lossis dej qab ntsev (tshwj xeeb tshaj yog nyob hauv ntug dej hiav txwv)
Lub PV 1- f Cable, nrog nws tsim kho tau, yog tsim los thev cov khoom no kom ntev, ua rau lub neej ntev rau hnub ci hluav taws xob.
3. Huab cua kub npaum li cas yog pv 1- fable?
3.1 Kub tiv thaiv
PV {{{{{{0} f cleshered ua rau muaj ntau yam kub. Cov kev ua haujlwm raug ntsuas kub ntawm PV 1- f Cables yog}}} degree, uas txhais tau tias lub cable tuaj yeem ua haujlwm hauv ob qho kub thiab txias. Qhov ntsuas kub no ua rau pv {{4} f Cesus tsim nyog rau kev teeb tsa hauv ntau qhov chaw nyob rau thaj chaw kub heev.
Tus ntoo khaub lig-txuas polyethylene (xlpe) rwb thaiv tsev siv nyob rau hauv PV {1}}}}}}}}}}}}}}}}}}}}}} Cov pa hluav taws xob txawm nyob hauv ib puag ncig kub. Conversely, lub cable tseem ua tau zoo nyob rau hauv qis heev, nyob qhov twg lwm cov cables yuav dhau los lossis poob lawv qhov yooj yim. Kev sib xyaw ua ke ntawm XLPE rwb thaiv tsev thiab muaj zog ntawm cov tshuab hluav taws xob sab nraud kom pom kev vam meej tsis muaj kev phom sij lossis muaj kev nyab xeeb.
3.2 UV Kuj
Ib qho ntawm cov huab cua zoo tshaj plaws huab cua rau hnub ci cables yog lawv lub peev xwm tiv thaiv UV hluav taws xob. UV hluav taws xob los ntawm lub hnub tuaj yeem ua rau lub ntsej muag yas thiab rwb thaiv tsev ntawm cov cable kom tawg, brittleness, lossis cov hluav taws xob luv.
PV {{{{{{0} f cable yog tsim los ua UV-resistant, ua rau lawv haum rau kev sab nraum zoov uas lawv tau nthuav tawm hnub ci. Lub pvc lossis lszh sab nraud mos siv nyob rau hauv PV 1- f Cable yog kho kom muaj kev puas tsuaj ntawm UV hluav taws xob. Qhov no kom ntseeg tau tias cov cables tswj lawv cov kev sib raug zoo thiab cov qauv kev ntseeg nyob rau lub sijhawm, txawm tias thaum lub hnub ci tshav ntuj raug. UV Yaus yog qhov tshwj xeeb tshaj yog siv rau cov hnub ci ci ntsa iab thiab cov qoob loo hnub ci, qhov twg cov kab hauv hnub ci muaj nyob thawm xyoo.
3.3 Ya dej hiav txwv thiab dej tsis kam
Kev ntub dej tsis kam yog lwm qhov tseem ceeb rau cov cable rau sab nraum zoov cov ntsiab lus, tshwj xeeb hauv cov cheeb tsam uas muaj dej nag nquag lossis muaj cov av noo. PV {{1- f cables yog tsim los tiv thaiv dej ingress, uas pab tiv thaiv kev puas tsuaj los ntawm ya raws kis tau. Lub ntsej muag sab nraud ntawm PV {{{} f Cable yog tsim los ua ib qho kev thaiv, ua kom yaam los ntawm cov rwb thaiv tsev lossis tus neeg saib xyuas.
Hauv cov cheeb tsam uas muaj nag nquag los yog daus, xws li cov dej hiav txwv lossis cov dej tsis kam ua kom muaj kev nyab xeeb thiab txuas ntxiv ua haujlwm ntawm lub zog hnub ci. Cov dej noo tsis zoo tseem ceeb nyob rau hauv kev tiv thaiv kev tsim kho ntawm corrosion ntawm tus thawj coj tooj liab, uas yuav ua rau ua rau kev ua phem lossis tsis ua tiav.
3.4 Lub cev tsis khov (puas ua tsis kam)
Ntxiv nrog rau ib puag ncig qhov kub, UV hluav taws xob, thiab noo noo, hnub ci hluav taws xob feem ntau yuav muaj kev ntxhov siab lossis hluav taws xob nce siab lossis daus zuj zus. Kev ua rau lub cev tuag yuav ua rau kev puas tsuaj rau lub ntsej muag sab nraud, ua rau cov cable rau ib puag ncig kev ua kom ib puag ncig.
PV {{{1- f Cable yog tsim los ua kom muaj zog heev thiab tiv taus lub cev hnav thiab kua muag. Lub ntsej muag sab nraud ntawm PV {{{{1} f clesh yog ua los ntawm pvc lossis lszh, ob qho tib si uas muaj kev puas tsuaj zoo heev. Qhov no txhais tau tias PV {{{{{2} Cov kev nyuab siab tuaj yeem tiv thaiv cov cua, suav nrog rau cov cua, thiab lwm cov khoom siv ua rau kev puas tsuaj rau cab tshuab.
Tsis tas li ntawd, qhov hloov pauv ntawm PV 1- f Clesnes ua kom lawv tuaj yeem ntsia tau yam tsis muaj kev phom sij los yog los ntawm cov chaw sib nrug.
3.5 Tshuaj Kuj
Nyob rau hauv ntug hiav txwv cheeb tsam, lossis thaj chaw ze cov cheeb tsam muaj kev muaj zog yog feem ntau nthuav tawm cov tshuaj lom neeg xws li dej qab zib, thiab lwm yam tshuaj muaj kuab. PV {{{{1- f cables yog tsim los tawm tsam corrosion los ntawm kev kis rau cov tshuaj zoo li no. Qhov no ua rau lawv zoo tagnrho rau kev siv nyob rau hauv thaj chaw ze ntawm ntug dej hiav txwv lossis hauv kev lag luam kev lag luam uas cov kab ke yuav raug cov tshuaj muaj kuab lom lossis cov pa phem.
UV-resistant PVC lossis LSZH SHEA muaj qee qhov kev tiv thaiv kev tiv thaiv kev txwv tsis pub siv tshuaj lom neeg tuaj yeem tiv thaiv cov kev ntxhov siab ntawm cov chaw no.
4. Cov qauv thiab kuaj rau huab cua tsis kam
Cov huab cua tiv thaiv ntawm PV 1- f cleshed yog kom ua kom tiav los ntawm kev kuaj nruj thiab ua raws li cov qauv kev ua haujlwm thoob ntiaj teb. Cov qauv txheej txheem no txhawm rau txhawm rau rau hnub ci sib xyaw ua ntej UV tiv taus, kub ua kom muaj kev tiv thaiv, noo noo tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab siv hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab hluav taws xob tsis kam, thiab tshuab siv hluav taws xob. PV {{{{{1} f coables ib txwm ua raws li cov qauv hauv qab no:
IEC 60216: Tus qauv no qhia cov thermal tsis kam thiab kev ua haujlwm ntawm cov ntaub ntawv siv hauv cov cable.
Iec {60502-1: Tus qauv no piav txog cov kev qhia dav dav rau cov xaim siv hauv cov tshuab hluav taws xob tsawg, suav nrog kev tiv taus ib puag ncig.
En 50525-3-41: Qhov no European txheem qhia txog cov cai yuav tsum muaj rau hnub ci cables, suav nrog huab cua tiv thaiv thiab UV kev tiv thaiv.
Iso 4892-2: Qhov kev ntsuas no UV tiv thaiv ntawm cov yas, simulating ntev UV kis tau.
Los ntawm adhering rau cov qauv no, PV {{{1- f cabe zam txim rau huab cua kev tsim nyog, ua kom muaj kev ntseeg siab rau huab cua nyob rau ntau yam ntawm ib puag ncig.
5. Vim li cas huab cua tsis kam yog qhov tseem ceeb rau hnub ci cable
Cov huab cua tsis kam ntawm lub hnub ci clesles yog qhov tseem ceeb rau ntau yam:
Ntev Lub Sij Hawm: Hnub ci lub tshuab feem ntau yog tsim los 25 xyoo dhau los lossis ntau dua. Cov kab ke uas tsis tuaj yeem tiv taus huab huab huab yuav txwv tsis ntev dhau los, ua rau cov txheej txheem ua tsis tiav thiab siv tau nqi.
Kev xyuas xim: Cables uas demrade vim huab cua kis tau tuaj yeem ua rau hluav taws xob ua txhaum, luv luv hluav taws xob, lossis pob hluav taws xob tsis txaus ntseeg.
Ua haujlwm tau zoo: Cov huab cua-resistant cables kom ntseeg tau tias hnub ci system ua haujlwm tau zoo los ntawm kev tswj hwm hluav taws xob thiab cov peev txheej hauv qab.
Nqi zog-ua hauj lwm: Lub siab zoo hnub ci zoo li PV {{f clesnabe txo cov nqi kho mob lossis kho kom tsawg.