Kev siv lub hnub ci zog los ua lub zog tauj dua tshiab tau nce zuj zus vim nws cov txiaj ntsig ib puag ncig thiab muaj peev xwm txo tau cov nqi hluav taws xob. Ntawm qhov tseem ceeb ntawm ib qhophotovoltaic (PV) systemyog cov hnub ci vaj huam sib luag, uas hloov lub hnub ci rau hauv hluav taws xob. Txawm li cas los xij, feem ntau tsis pom zoo tab sis qhov tseem ceeb hauv PV system yog lub hnub ci cable. Cov kab hluav taws xob no yog lub luag haujlwm rau kev txuas lub hnub ci vaj huam sib luag rau lwm yam khoom, xws li inverters thiab roj teeb, ua kom muaj kev sib kis tau zoo ntawm hluav taws xob. Muab lawv cov kev tawm sab nraud thiab lub luag haujlwm tseem ceeb hauv kev ua haujlwm, lub neej ntev ntawm cov hnub ci cables yog qhov tseem ceeb thaum tsim thiab txhim kho lub tshuab photovoltaic.
Hauv tsab xov xwm no, peb yuav tshawb txog qhov dav dav ntawm lub hnub ci cables, yam uas cuam tshuam rau lawv cov kav ntev, thiab cov kauj ruam uas tuaj yeem ua kom ntev lawv lub neej kev pabcuam. Kev nkag siab txog cov xwm txheej uas cuam tshuam rau kev siv cable ntev tuaj yeem pab cov neeg tsim khoom thiab cov tswv hauv lub kaw lus txiav txim siab txog kev xaiv cable thiab kev saib xyuas, kom ntseeg tau tias lub kaw lus ua haujlwm nyab xeeb thiab ua haujlwm tau zoo rau xyoo tom ntej.
Qhov nruab nrab lub neej ntawm lub hnub ci cable
Lub neej ntev ntawm cov hnub ci cables tuaj yeem sib txawv nyob ntawm ntau yam, xws li hom cable, ib puag ncig, kev teeb tsa zoo, thiab kev saib xyuas. Qhov nruab nrab, feem ntau zoo hnub ci cables yog tsim los kav ntev li ntawm 25 thiab 30 xyoo. Qhov no yog kwv yees li ntawm tib lub neej raws li lub hnub ci vaj huam sib luag lawv tus kheej, kom ntseeg tau tias cov cables ua tau zoo rau tag nrho lub sijhawm ntawm lub cev ua haujlwm.
Txawm li cas los xij, lub neej ntev ntawm cov hluav taws xob hnub ci tsis yog ib txwm lav, thiab ntau yam tuaj yeem ua kom luv lossis ntev lawv lub neej muaj txiaj ntsig. Los ntawm kev nkag siab txog cov xwm txheej no, cov tswv tsev thiab cov neeg tsim khoom tuaj yeem siv cov kev ntsuas kom ntseeg tau tias cov kab hluav taws xob ruaj khov thiab zam kev ua tsis tiav ntxov.
Yam cuam tshuam rau lub neej ntawmHnub ci cables
Ntau yam tseem ceeb cuam tshuam rau lub neej ntawm cov hnub ci cables, txhua qhov ua rau muaj kev hnav thiab tsim kua muag lossis lub neej ntev ntawm cov cables. Cov yam tseem ceeb no suav nrog qhov zoo ntawm cov kab hluav taws xob, hom kev siv rwb thaiv tsev, ib puag ncig, thiab txoj kev ntawm cov cables raug ntsia thiab tswj xyuas.
1. Cable Zoo thiab cov khoom siv
Qhov zoo ntawm lub hnub ci cable yog ib qho tseem ceeb tshaj plaws uas cuam tshuam rau nws txoj sia. Cables uas yog tsim los ntawm cov ntaub ntawv zoo, xws li tooj liab conductors thiab cross-linked polyethylene (XLPE) rwb thaiv tsev, yog tsim los tiv thaiv ib puag ncig hnyav uas muaj nyob rau hauv sab nraum zoov installation.
a. Tus coj
Tooj liab yog cov khoom siv feem ntau siv rau hnub ci cables vim nws cov hluav taws xob zoo heev. Copper cables muaj kev poob qis thiab muaj zog tiv taus corrosion, ua rau lawv zoo tagnrho rau kev siv mus ntev. Nyob rau hauv sib piv, cables nrog txhuas conductors, tab sis tsis tshua kim, tej zaum yuav ntau oxidation thiab corrosion, uas yuav ua rau luv luv lub neej ntawm cable.
b. Cov khoom siv rwb thaiv tsev
Cov khoom siv rwb thaiv tsev yog qhov tseem ceeb sib npaug hauv kev txiav txim siab qhov ntev ntawm cov cables. Hla-txuas polyethylene (XLPE) yog cov khoom siv rwb thaiv tsev dav siv rau hnub ci cables vim tias nws yog UV-resistant, kub-resistant, thiab ruaj khov heev. Cables nrog thermoplastic elastomers (TPE) los yog polyvinyl chloride (PVC) rwb thaiv tsev kuj muaj, tab sis lawv yuav muaj luv luv lifespans me ntsis piv rau XLPE cables vim lawv qis tsis kam mus rau UV hluav taws xob thiab kub dua.
Qhov zoo ntawm cov ntaub ntawv no cuam tshuam ncaj qha rau lub peev xwm ntawm cov cables los tiv thaiv tshav ntuj, noo noo, kub hloov pauv, thiab lwm yam kev ntxhov siab ib puag ncig.
2. Ib puag ncig ib puag ncig
Hnub ci clesles yog feem ntau raug rau sab nraum zoov cov ntsiab lus, suav nrog UV hluav taws xob, nag, huab cua sov heev, thiab av noo. Cov xwm txheej ib puag ncig no muaj peev xwm cuam tshuam ntau qhov ntev ntawm cov cable.
a. Tiv thaiv UV
UV hluav taws xob los ntawm lub hnub yog ib qho ntawm cov tseem ceeb tshaj plaws uas degrade cable rwb thaiv tsev lub sij hawm. UV hluav taws xob ua rau cov khoom siv rwb thaiv tsev tawg, ua rau tawg, brittleness, thiab txo lub zog dielectric. UV-resistant coatings yog siv rau feem ntau cov hnub ci cables los tiv thaiv UV degradation. Qhov zoo ntawm cov txheej tiv thaiv no yog qhov tseem ceeb hauv kev txiav txim siab ntev npaum li cas cov cables yuav kav ntev npaum li cas nyob rau hauv qhov chaw raug tshav ntuj.
b. Qhov kub hnyav
Cov kab hluav taws xob hnub ci tseem raug rau qhov kub thiab txias, tshwj xeeb tshaj yog nyob rau hauv cov cheeb tsam uas kub lub caij ntuj sov thiab lub caij ntuj no txias. Thaum cov kab hluav taws xob hnub ci feem ntau tsim los tswj qhov kub ntawm -40 degree mus rau +90 degree (nyob ntawm cov khoom siv rwb thaiv tsev), rov ua rau kub kub lossis kub kub hloov pauv tuaj yeem ua rau rwb thaiv tsev degrade dhau sijhawm. Qhov kub thiab txias tuaj yeem ua rau cov rwb thaiv tsev muag muag lossis yaj, thaum lub caij txias tuaj yeem ua rau cov cables nkig.
c. Noo noo thiab dej
Cov dej noo yog lwm qhov tseem ceeb uas tuaj yeem txo qhov kev ua neej ntawm cov hnub ci cables. Kev raug dej tuaj yeem ua rau corrosion ntawm cov conductors thiab rwb thaiv tsev tawg. Nyob rau hauv cov cheeb tsam uas muaj high humidity, condensation kuj yuav tsim nyob rau hauv cov cables, ua rau sab hauv corrosion. Cov kab hluav taws xob hnub ci uas tsis muaj dej tsis zoo thiab muaj cov rwb thaiv tsev tsis zoo yog qhov tseem ceeb los xyuas kom muaj kev ruaj ntseg ntev hauv qhov chaw ntub dej lossis los nag.
d. Ntsev thiab Corrosion
Hauv thaj chaw ntug dej hiav txwv, qhov chaw nruab hnub ci tau raug rau huab cua ntsev, corrosion tuaj yeem yog qhov teeb meem tseem ceeb. Cov ntsev tuaj yeem corrode cov hlau conductors nyob rau hauv cov cables, txo lawv cov hauj lwm zoo thiab lifespan. Corrosion-resistant coatings, xws li cov siv rau marine-qib cables, yog qhov tseem ceeb rau cov hnub ci cables ntsia rau hauv cov cheeb tsam ntug dej hiav txwv.
3. Kev Coj Ua
Kev txhim kho kom zoo yog qhov tseem ceeb rau lub neej ntev ntawm cov hnub ci cables. Cov kab hluav taws xob uas tau teeb tsa tsis raug lossis raug mob ntau dhau tuaj yeem ua rau tsis ua tiav ntxov.
a. Tshaj-Tensioning
Cov qoob loo uas tau rub kom nruj heev thaum lub sij hawm installation yuav raug kev txom nyem los ntawm kev ntxhov siab. Tshaj-Tensioning tuaj yeem ua rau cov neeg saib xyuas tawg, ua rau muaj hluav taws xob ua txhaum. Nws yog qhov tseem ceeb kom ua raws li cov khw muag khoom cov txheej txheem rau kev nro hauv kev teeb tsa kom ntseeg tau tias cov cab kuj tsis oversed.
b. Kev Ua Haujlwm Tsis Txaus
Txoj kev khiav ntawm cov cables kuj tseem ceeb rau lawv lub neej ntev. Cables uas tau dhau los ntawm cov npoo ntse, raug kev puas tsuaj rau cov khoom siv, los yog kev khoov tsis tu ncua yog qhov pheej hmoo siab dua ntawm kev hnav thiab tsim kua muag. Cables yuav tsum tau muab kev ruaj ntseg nrog cable ties los yog clips los tiv thaiv lawv los ntawm kev txav los yog rub tawm ntawm qhov chaw uas yuav ua rau lub rwb thaiv tsev puas.
c. Tshaj Tawm
Kev txhim kho cov kab hluav taws xob hnub ci hauv thaj chaw uas lawv raug cuam tshuam ntau dhau rau lub cev puas tsuaj, xws li hauv cov chaw tsheb loj lossis thaj chaw muaj kev cuam tshuam rau kev siv tshuab, tuaj yeem txo lawv txoj sia. Kev siv cov kav dej tiv thaiv, xws li PVC lossis HDPE kav, tuaj yeem pab tiv thaiv cov kab hluav taws xob los ntawm kev puas tsuaj thiab tiv thaiv kev ua tsis tiav ntxov.
4. Kev kho thiab tshuaj xyuas
Thaum lub hnub ci cables feem ntau tsis tshua muaj kev saib xyuas, kev tshuaj xyuas ib ntus thiab kev saib xyuas yog qhov tseem ceeb los ua kom lawv cov kev ua haujlwm ntev. Nyob rau tib lub sijhawm, cov kab hluav taws xob yuav raug hnav, tshwj xeeb tshaj yog nyob rau hauv qhov chaw uas ib puag ncig hnyav heev.
a. Kev kuaj xyuas ib txwm
Hnub ci cable yuav tsum tau kuaj xyuas kom pom cov cim ntawm kev puas tsuaj, xws li cov kab nrib pleb hauv rwb thaiv tsev, lossis cov cim qhia txog UV kev txo hwj chim. Txhua qhov teeb meem yuav tsum raug hais kom sai kom zam dhau kev puas tsuaj ntxiv lossis kev nyab xeeb kev nyab xeeb.
b. Ntxuav
Sij hawm dhau los, av, khib nyiab, thiab lwm cov kab ke ib puag ncig tuaj yeem nthuav tawm cov hnub ci, muaj feem cuam tshuam rau lawv qhov kev ua tau zoo. Ua kom cov kab ke ntxuav thiab dawb los ntawm kev thaiv kev tuaj yeem pab xyuas kom lawv cov haujlwm txuas ntxiv.
c. Hloov chaw
Yog tias cov kab hluav taws xob pom tias puas los yog pom cov tsos mob tseem ceeb, nws yuav tsim nyog los hloov lawv ua ntej lawv ua rau lub cev tsis ua haujlwm. Kev saib xyuas tsis tu ncua thiab kev hloov cable raws sij hawm tuaj yeem txuas ntxiv tag nrho lub neej ntawm photovoltaic system.
5. Kev Tiv Thaiv Kab Mob
Muaj qee kis, ntxiv cov kev tiv thaiv kev tiv thaiv ntxiv, xws li conduit system lossis cable tais, tuaj yeem pab txuas ntxiv lub neej ntawm lub hnub ci cable. Conduit system tuaj yeem tiv thaiv cov kab ntawm lub cev puas, UV hluav taws xob, thiab noo noo raug, thiab cov cable tuaj yeem muab cov kab txuas ntxiv thiab tiv thaiv kev puas tsuaj.
Yuav ua li cas rau lub neej ntev lifespes ntawm hnub ci cables
Muaj ntau cov kev coj ua tau zoo tshaj plaws uas tuaj yeem pab txuas ntxiv lub neej ntawm hnub ci, kom lawv ua haujlwm tau muaj nuj nqi thoob plaws lub neej ntawm lub photovoltaic.
1. Xaiv cov cable zoo
Thaum xaiv cov hnub ci ntsa iab, nws yog qhov tseem ceeb uas yuav tsum xaiv cables nrog XLPE zoo (xws li XLPE), UV tsis kam, thiab kev tsim kho tsis huv. Xaiv rau cov qoob loo uas tau tsim tshwj xeeb rau kev siv sab nraum zoov thiab ntsuas kom ntev rau kev ntxhov siab ib puag ncig.
2. Kom zoo
Ua raws li cov lus qhia kom muaj kev teeb tsa kom paub meej tias cov cables tsis tau nyob rau hauv kev ntxhov siab, nthuav tawm rau kev hnav, lossis ib txwm ua tsis raug. Siv cov kev tiv thaiv kev tiv thaiv thiab cov cuab yeej tswj cable kom ua kom cov cables ruaj ntseg thiab thaiv ntawm lub cev puas.
3. Kev tshuaj xyuas thiab kev saib xyuas tsis tu ncua
Kev kuaj xyuas cov kab ke ntawm cov xables los xyuas rau cov cim ntawm hnav, corrosion, lossis UV degradation. Ntxuav cov cables kom tshem tawm cov av thiab khib nyiab, thiab hloov cov nplais uas puas sai kom tiv thaiv kev puas tsuaj ntxiv.
4. Tiv thaiv Cables los ntawm Environmental Hazards
Siv cov khoom tiv thaiv tiv thaiv, xws li cov tais diav lossis cov tais cable, yuav thaiv hluav taws xob, noo noo, kev puas tsuaj rau lub cev, thiab huab cua sov. Nco ntsoov tias cov cables yog ib txwm nyob hauv thaj chaw uas lawv tsis tshua muaj kev hnav khaub ncaws thiab kua muag.