Txoj kev tshawb nrhiav pom ntau qhov qis dua - dua li - qhov xav tau Degradation hauv 1980s Thiab 1990s Hnub Ci Modules
Feb 02, 2026
Ib pawg kev tshawb fawb coj los ntawm Switzerland's University of Applied Sciences (SUPSI) tau ua qhov ntev - tsom xam ntawm rau sab qab teb -fab, kab - txuas PV systems ntsia hauv Switzerland thaum xyoo 1980s thiab thaum ntxov 1990s. Cov kws tshawb nrhiav pom tias cov tshuab hluav taws xob poob txhua xyoo yog qhov nruab nrab ntawm 0.16% txog 0.24%, qis dua li ntawm 0.75% mus rau 1% hauv ib xyoos uas feem ntau tshaj tawm hauv cov ntaub ntawv.
Txoj kev tshawb no tau tshuaj xyuas plaub qhov qis- qhov siab ntawm lub tsev nyob hauv Möhlin (310m-VR-AM55), Tiergarten East thiab West hauv Burgdorf (533m-VR-SM55(HO)), thiab Burgdorf Fink (552m{51}}BA). Cov kev teeb tsa no siv qhov cua los yog lub tsev- siv cov kev teeb tsa lub ru tsev. Qhov kev tshuaj ntsuam kuj suav nrog ib nrab ntawm -qhov chaw siab tshaj- nplai cog hauv Mont-Soleil (1270m-OR-SM55) thiab ob qhov siab- qhov siab, facade{24}}mounted systems hauv Jung (2677}Vuj} thiab 2677m{5}Frach (3462m-VF-SM75).
Tag nrho cov tshuab tau nruab nrog ARCO AM55 modules tsim los ntawm US -raws li Arco Solar, uas yog lub ntiaj teb loj tshaj plaws PV chaw tsim tshuaj paus nrog tsuas yog 1 MW peev thaum lub sij hawm, los yog Siemens SM55, SM55-HO, thiab SM75 modules. Siemens tau dhau los ua Arco Solar tus tswv lag luam loj tshaj plaws hauv xyoo 1990. Cov modules tau ntsuas cov hluav taws xob tawm ntawm 48 W thiab 55 W thiab muaj cov iav pem hauv ntej, ethylene-vinyl acetate (EVA) encapsulant txheej, monocrystalline silicon cells, thiab cov ntaub ntawv polymer backsheet laminate.
Kev teeb tsa kev sim suav nrog rau ntawm - qhov chaw saib xyuas ntawm AC thiab DC fais fab tso zis, ambient thiab module kub, thiab dav hlau - ntawm -array irradiance ntsuas siv pyranometers. Raws li qhov chaw nyob, cov kws tshawb fawb tau faib cov kev teeb tsa rau hauv qis -, nruab nrab -, thiab siab - thaj chaw huab cua siab.
"Rau lub hom phiaj kev ntsuas, ob lub Siemens SM55 modules tau muab khaws cia rau hauv qhov chaw tswj hwm sab hauv tsev ntawm Photovoltaic Laboratory ntawm Bern University of Applied Sciences txij li thaum pib ntawm kev soj ntsuam phiaj xwm," cov kws tshawb fawb tau hais. Lawv kuj tau siv ntau-ib xyoos ib xyoos- ntawm- xyoo (ntau-YoY) txoj hauv kev los txiav txim siab qhov system- theem kev poob qis (PLR).
Cov txiaj ntsig tau pom tias PLRs thoob plaws txhua lub tshuab muaj li ntawm -0.12% mus rau -0.55% hauv ib xyoos, nrog qhov nruab nrab ntawm -0.24% txog -0.16% hauv ib xyoos, zoo li qis dua tus nqi degradation qhia rau cov laus thiab niaj hnub PV systems. Cov kws tshawb fawb tseem pom tau tias cov kab ke siab dua feem ntau pom qhov nruab nrab ntawm qhov ua tau zoo dua thiab qis qis dua li qhov sib piv ntawm qhov siab qis, txawm tias raug ntau dua irradiance thiab ultraviolet hluav taws xob.
Txoj kev tshawb no tau qhia ntxiv tias cov qauv ntawm tib hom nominal tab sis nrog cov qauv tsim sab hauv sib txawv qhia qhov txawv txav ntawm tus cwj pwm txawv. Standard SM55 modules nthuav tawm rov ua dua cov ntawv cog lus tsis ua haujlwm, ua rau muaj kev tiv thaiv ntau ntxiv thiab txo qhov ua tiav. Los ntawm qhov sib txawv, SM55-HO modules tau txais txiaj ntsig los ntawm kev hloov kho cov ntaub ntawv rov qab uas muab kev xav sab hauv siab dua thiab txhim kho kev ruaj ntseg mus ntev.
Zuag qhia tag nrho, qhov kev tshawb pom tau qhia tias ntev - lub sij hawm degradation nyob rau hauv thaum ntxov - tiam PV modules yog tsav los ntawm thermal stress, cua qhov cua, thiab cov khoom tsim, es tsis yog qhov siab lossis irradiance ib leeg. Modules tau nruab rau hauv qhov txias dua, zoo dua - qhov cua qhov chaw ua haujlwm tau pom tias muaj kev ruaj khov tshwj xeeb hauv ntau xyoo lawm.
Cov txiaj ntsig kev xeem tau nthuav tawm hauv daim ntawv "Peb xyoo caum, peb qhov kev nyab xeeb: ib puag ncig thiab cov khoom cuam tshuam rau lub sijhawm ntev - kev ntseeg siab ntawm photovoltaic modules," luam tawm hauv EES Hnub Ci.
"Txoj kev tshawb fawb tau txheeb xyuas daim nqi - ntawm- cov khoom (BOM) yog qhov tseem ceeb tshaj plaws uas cuam tshuam rau PV module kev ua neej ntev," lawv xaus. "Txawm hais tias tag nrho cov modules koom nrog tib tsev neeg cov khoom, kev hloov pauv ntawm cov khoom zoo, cov ntaub ntawv muab tub lim, thiab cov txheej txheem tsim khoom ua rau muaj qhov sib txawv ntawm qhov degradation. Thaum ntxov- tiam encapsulants yam tsis muaj UV stabilization pom tias muaj kev laus zuj zus, thaum tom qab module tsim nrog optimized backsheets thiab txhim kho cov khoom ua tau zoo {5} lub sij hawm ntev kev ruaj ntseg. "
