Lub teb chaws Yelemees, paub txog nws cov kev coj ua ruaj khov thiab kev nco qab ib puag ncig, tau ntsib teeb meem nyuaj hauv kev lag luam hnub ci zog. Qhov teeb meem muaj feem xyuam rau kev laus ntxov ntxov ntawm daim ntawv rov qab hauv 10 GW hnub ci modules siv nyob rau ntau qhov chaw. Qhov no tau ua rau poob qis hauv kev ua haujlwm ntawm cov hnub ci vaj huam sib luag thiab kev ua haujlwm ntawm lub cev. Txawm li cas los xij, muaj cov kev daws teeb meem rau qhov teeb meem, raws li peb tshawb hauv kab lus no.
Cov teeb meem Backsheet Aging
Lub backsheets yog ib txheej insulating nyob tom qab ntawm lub hnub ci vaj huam sib luag module. Nws lub luag haujlwm tseem ceeb yog los tiv thaiv cov txheej sab hauv ntawm lub vaj huam sib luag los ntawm lwm qhov chaw ib puag ncig xws li UV hluav taws xob, kub kub, dej, thiab cov ions tsis zoo.
Backsheet degradation tau lees paub tias yog ib qho ntawm cov laj thawj tseem ceeb ntawm kev ua tsis tiav ntawm photovoltaic panels. Qhov no yog ib qho teeb meem tshwj xeeb nyob rau hauv cov ntaub ntawv ntawm degradation thaum ntxov, kos lub aluminized polyester txheej uas tsis zoo. Qhov kev cuam tshuam tsis zoo ntawm cov ntaub ntawv rov qab ua ntej lub sijhawm degradation txuas ntxiv dhau lub hnub ci vaj huam sib luag nws tus kheej txij li txhua hom hnub ci hlwb tau cuam tshuam. Qhov teeb meem no tshwm sim nyob rau hauv tag nrho cov nplai ntawm kev teeb tsa hnub ci, los ntawm lub tsev me me rau cov khoom siv hluav taws xob.
Keeb kwm
Backsheet degradation tau muaj kev txhawj xeeb thoob ntiaj teb rau ib ntus tam sim no; ib tug qauv uas tom qab ntes tau nrog lub teb chaws Yelemees. Nyob rau hauv 2013, cov kws tshawb fawb los ntawm Fraunhofer lub koom haum rau hnub ci zog Systems inaugured ib tug kev project los soj ntsuam cov prevalence ntawm backsheet laus hla 100 MW ntawm ntsia photovoltaic panels nyob rau hauv lub teb chaws Yelemees. Backsheet degradation tau pom tias yog ib qho teeb meem tseem ceeb vim nws suav txog li 80% ntawm qhov tsis raug tshaj tawm.
Tsis tas li ntawd, cov kws tshawb fawb pom tau tias cov qib ntawm cov ntaub ntawv rov qab degradation txawv nyob ntawm qhov chaw teeb tsa, nrog cov panels ntsia hauv ntug dej hiav txwv thiab alpine yog qhov cuam tshuam tshaj plaws. Cov qauv no zoo ib yam nrog kev tshawb fawb thoob ntiaj teb thiab qhia txog qhov teeb meem dav dav ntawm backsheet degradation.
Ua rau Backsheet Aging
Ntau yam tuaj yeem ua rau rov qab laus dua, suav nrog huab cua, kev tsim khoom yuam kev, zoo, kho, thiab teeb tsa tsis raug. Qhov laj thawj tseem ceeb ntawm cov ntaub ntawv rov qab yog qhov tsis zoo yog qhov hluav taws xob ultraviolet: qhov no yog vim cov ntaub ntawv rov qab muaj cov polymers thiab cov xim tsis muaj UV-resistant, uas ua rau lawv khaws cov cua sov thaum nruab hnub thiab ua nkig dhau sijhawm. Tsis tas li ntawd, raug rau qhov kub thiab txias, dej, thiab cov ions tsis zoo tuaj yeem ua rau cov txheej txheem laus. Cov xwm txheej no ua haujlwm ua ke xws li, dhau sijhawm, lawv ua rau cov ntawv rov qab poob nws cov khoom tiv thaiv, ua rau qeeb ntawm tag nrho lub hnub ci.
Kev kuaj pom ntawm Backsheet puas
Muab hais tias backsheet degradation cuam tshuam rau kev ua haujlwm ntawm hnub ci modules, nws yog ib qho tseem ceeb kom paub txog nws qhov twg thiab taug qab cov qauv. Cov teeb meem uas peb yuav tsum xav txog thaum ntsuas qhov kev puas tsuaj ntawm cov ntaub ntawv rov qab yog qhov loj, qhov zoo, thiab qhov hnyav ntawm qhov kev puas tsuaj. Cov txheej txheem ua haujlwm txog rau tam sim no txhawm rau txheeb xyuas qhov kev puas tsuaj no suav nrog kev tshuaj xyuas qhov muag ntawm cov vaj huam sib luag, txawm hais tias cov txheej txheem no nyuaj, siv sijhawm, thiab tsis tuaj yeem ua rau tib neeg yuam kev.
Txhawm rau daws qhov teeb meem no, cov kws tshawb fawb tau pib tsim cov txheej txheem tsis muaj kev puas tsuaj los txhawm rau txhawm rau txheeb xyuas thiab ntsuas qhov kev puas tsuaj rov qab kom raug dua. Ultrasonic thiab tshuab kev kawm txoj kev muab cov kev puas tsuaj kom raug ntau dua thiab yog pub dawb rau kev kuaj pom. Yog li, cov txheej txheem no tso cai rau kev txheeb xyuas zoo dua nyob rau lub sijhawm luv.
Kev daws teeb meem
Yog tias kuaj pom ntxov, qhov kev puas tsuaj rov qab tuaj yeem kho tau sai, txwv tsis pub nws kis tau thiab txhawb nqa lub sijhawm ntev dua. Muaj peb txoj kev daws teeb meem rau kev kho cov ntaub ntawv puas.
Ua ntej, cov seem rov qab puas tuaj yeem kho ncaj qha rau ntawm lub hnub ci vaj huam sib luag los ntawm kev npog thaj chaw muaj teeb meem, ua rau lawv tiv thaiv los ntawm huab cua los yog siv lwm txoj hauv kev xws li daim kab xev rau tus kheej.
Qhov thib ob, hloov daim ntawv rov qab tag nrho yog ib qho kev daws teeb meem zoo, tshwj xeeb tshaj yog tias cov hnub ci vaj huam sib luag tseem nyob hauv lawv lub sijhawm lav.
Thaum kawg, kev saib xyuas tsis tu ncua thiab kev tshuaj xyuas ntau zaus ntawm cov vaj huam sib luag tuaj yeem tiv thaiv lossis txheeb xyuas cov teeb meem ntxov, txo kev pheej hmoo ntawm kev puas tsuaj loj. Qhov no yuav tsum tau siv lub xeev-ntawm-lub-kos duab saib xyuas thiab nrhiav kom tau systems.
Xaus
Qhov teeb meem ntawm kev laus ntxov ntxov backsheet yog ib qho teeb meem tshwm sim thoob plaws lub hnub ci kev lag luam, thiab lub teb chaws Yelemees tsis muaj kev zam. Qhov teeb meem yog tshwm sim los ntawm huab cua tej yam kev mob thiab kev tsim khoom tsis zoo, ua rau kev poob ntawm kev ua haujlwm hauv lub sijhawm luv luv. Txawm hais tias nws yog qhov nyuaj los txheeb xyuas cov ntaub ntawv rov qab kom raug, ntau txoj hauv kev muaj los ua kom tiav qhov no. Yog tias kuaj pom ntxov, kho lossis hloov cov ntaub ntawv rov qab yog txheej txheem yooj yim. Tsis tas li ntawd, kev siv cov kev saib xyuas zoo thiab kev tshuaj xyuas tsis tu ncua tuaj yeem zam kev puas tsuaj loj. Lub zej zog kev tshawb fawb tuaj yeem ua haujlwm rau kev txhim kho cov ntaub ntawv zoo dua qub uas tau hloov kho rau cov huab cua tsis zoo thiab cov kev xav tau zoo dua ntawm kev teeb tsa hnub ci.