Kev lag luam photovoltaic tab tom dhau los ntawm kev hloov pauv ntawm kev ua haujlwm zoo thiab kev ntseeg siab uas coj los ntawm ob-yoj bifacial hnub ci modules (feem ntau hu ua bifacial ob-iav modules). Cov thev naus laus zis no tab tom hloov kho txoj kev siv tshuab thiab cov qauv siv ntawm kev lag luam photovoltaic thoob ntiaj teb los ntawm kev tsim hluav taws xob los ntawm kev nqus lub zog lub teeb los ntawm ob sab ntawm cov khoom thiab sib xyaw nrog cov txiaj ntsig ruaj khov uas coj los ntawm kev ntim iav. Tsab xov xwm no yuav ua qhov kev tshuaj xyuas tob txog cov yam ntxwv tseem ceeb, tus nqi siv tau, nrog rau cov cib fim thiab cov teeb meem uas nws yuav ntsib yav tom ntej ntawm bifacial ob-iav modules, qhia txog yuav ua li cas lawv tsav kev lag luam photovoltaic mus rau kev ua haujlwm zoo dua, tus nqi qis dua ib kilowatt-teev, thiab kev hloov pauv dav dua rau ntau yam xwm txheej.
Cov Nta Tseem Ceeb: Ob npaug ntawm kev ua haujlwm zoo thiab kev ntseeg siab
Lub ntsiab lus tseem ceeb ntawm lub module ob-iav bifacial yog nws lub peev xwm tsim hluav taws xob tshiab. Tsis zoo li cov modules ib sab ib txwm muaj, nws sab nraub qaum tuaj yeem ntes tau lub teeb ci ntsa iab hauv av (xws li xuab zeb, daus, ru tsev xim dawb lossis cov plag tsev cement), coj kev tsim hluav taws xob ntxiv. Qhov no hu ua "double-sided gain". Tam sim no, qhov sib piv ntawm bifacial (qhov sib piv ntawm kev tsim hluav taws xob ntawm sab nraub qaum rau qhov ntawm sab pem hauv ntej) ntawm cov khoom lag luam feem ntau ncav cuag 85% txog 90%. Piv txwv li, nyob rau hauv cov chaw muaj kev cuam tshuam siab xws li suab puam, qhov nce sab nraub qaum ntawm cov khoom tuaj yeem ua rau muaj kev nce ntxiv 10% -30% hauv kev tsim hluav taws xob tag nrho. Lub caij no, hom khoom no ua haujlwm zoo dua nyob rau hauv cov xwm txheej irradiation qis (xws li hnub los nag lossis sawv ntxov thiab yav tsaus ntuj lig), nrog lub zog nce ntau dua 2%.
Kev tsim kho tshiab hauv cov ntaub ntawv thiab cov qauv yog qhov tseem ceeb rau kev txhawb nqa kev tsim hluav taws xob zoo. Cov thev naus laus zis roj teeb siab heev (xws li N-hom TOPCon) tab tom tsav lub zog ntawm cov khoom kom nce ntxiv, thiab cov khoom tseem ceeb tau nkag mus rau hauv 670-720W ntau yam. Txhawm rau txo qhov poob ntawm cov duab ntxoov ntxoo pem hauv ntej thiab txhim kho kev sau tam sim no, kev lag luam tau qhia txog cov qauv tsim tsis muaj zog (xws li 20BB qauv) thiab cov thev naus laus zis luam ntawv zoo (xws li kev luam ntawv hlau). Ntawm qib ntim khoom, cov qauv iav ob chav (nrog iav ntawm ob sab pem hauv ntej thiab nraub qaum) muab kev tiv thaiv zoo heev, khaws cia thawj xyoo attenuation ntawm cov khoom hauv 1% thiab qhov nruab nrab txhua xyoo attenuation tus nqi qis dua 0.4%, uas zoo dua li cov khoom ib-iav ib txwm muaj. Txhawm rau daws qhov teeb meem ntawm qhov hnyav loj ntawm ob-iav modules (tshwj xeeb tshaj yog cov loj loj), ib qho kev daws teeb meem pob tshab backsheet tau tshwm sim, ua rau qhov hnyav ntawm 210-qhov loj me modules kom raug txo kom tsawg dua 25 kilograms, ua rau muaj kev nyuaj rau kev teeb tsa.
Kev hloov pauv ib puag ncig yog lwm qhov zoo ntawm lub module ob sab iav. Nws cov qauv iav ob sab ruaj khov ua rau nws tiv taus huab cua zoo heev, tiv taus electropotential-induced attenuation (PID), ultraviolet muaj zog, hail cuam tshuam, av noo siab, ntsev tsuag xeb, thiab qhov sib txawv ntawm qhov kub thiab txias. Los ntawm kev tsim cov chaw tsim hluav taws xob hauv ntau thaj chaw huab cua thoob ntiaj teb (xws li txias heev, cua hlob heev, kub heev thiab av noo siab), cov chaw tsim khoom siv ib txwm txheeb xyuas lawv cov peev xwm ua haujlwm ruaj khov mus sij hawm ntev hauv cov chaw ib puag ncig hnyav.
Cov Kev Zoo ntawm Daim Ntawv Thov: Tsav kev txhim kho kev lag luam ntawm cov haujlwm photovoltaic
Tus nqi ntawm cov iav ob sab modules thaum kawg pom tseeb hauv kev lag luam thoob plaws hauv lub voj voog ntawm qhov project, tshwj xeeb tshaj yog nyob rau hauv cov xwm txheej thov tshwj xeeb:
Cov chaw fais fab loj hauv av: Cov nyiaj tau los ntau ntxiv hauv cov cheeb tsam uas muaj kev cuam tshuam siab: Hauv cov suab puam, daus lossis cov xim dawb, qhov nce rov qab tuaj yeem txo qhov nqi hluav taws xob (LCOE) ntawm qhov project. Piv txwv li, hauv ib qho ntawm cov haujlwm photovoltaic loj tshaj plaws hauv Latin America - lub chaw fais fab 766MW "Cerrado Solar" hauv Brazil, kev xa tawm ntawm cov iav ob chav bisided tsis yog tsuas yog ua rau muaj kev nce ntxiv hauv kev tsim hluav taws xob xwb tab sis kuj xav tias yuav txo cov pa roj carbon dioxide los ntawm 134,000 tons txhua xyoo. Kev tshuaj xyuas tus qauv kev lag luam qhia tau hais tias hauv cov cheeb tsam xws li Saudi Arabia, kev siv cov modules bifacial siab heev tuaj yeem txo LCOE los ntawm kwv yees li 5% piv rau cov thev naus laus zis ib txwm muaj, thaum tseem txuag cov nqi sib npaug ntawm qhov system (BOS).
Lub zog photovoltaic faib tawm: Siv rau hauv lub peev xwm ntawm cov ru tsev thiab thaj chaw tshwj xeeb: Ntawm cov ru tsev kev lag luam thiab kev lag luam, lub zog ceev ceev txhais tau tias kev teeb tsa cov kab ke loj dua hauv thaj chaw txwv, yog li txo cov nqi teeb tsa chav tsev. Kev suav qhia tau hais tias hauv cov haujlwm ru tsev loj, kev siv cov modules bifacial ua haujlwm siab tuaj yeem txo tus nqi ntawm kev cog lus dav dav (EPC) thiab nce cov txiaj ntsig ntawm qhov project. Tsis tas li ntawd, hauv cov chaw nyuaj xws li cov chaw cement thiab qhov siab siab, qhov kev tiv thaiv zoo heev ntawm lub tshuab thauj khoom thiab qhov kub thiab txias sib txawv ntawm cov modules ob-iav ua rau lawv yog qhov kev xaiv txhim khu kev qha. Qee cov chaw tsim khoom twb tau tsim cov khoom lag luam thiab cov kev daws teeb meem teeb tsa rau cov chaw tshwj xeeb xws li qhov siab siab.
Kev sib phim rau kev lag luam fais fab tshiab: Kev ua kom cov nyiaj tau los ntawm tus nqi hluav taws xob zoo tshaj plaws: Raws li lub sijhawm siv tus nqi hluav taws xob nrov zuj zus, tus nqi hluav taws xob sib raug rau qhov siab tshaj plaws ntawm kev tsim hluav taws xob photovoltaic yuav poob qis. Cov modules Bifacial, nrog lawv cov piv txwv bifacial siab thiab muaj peev xwm teb lub teeb tsis muaj zog zoo heev, tuaj yeem tsim hluav taws xob ntau dua thaum sawv ntxov thiab yav tsaus ntuj thaum tus nqi hluav taws xob siab, ua rau cov kab hluav taws xob tsim hluav taws xob sib phim zoo dua lub sijhawm tus nqi hluav taws xob siab tshaj plaws thiab yog li txhim kho cov nyiaj tau los tag nrho.
Daim Ntawv Thov Txheej Txheem: Kev Nkag Mus Thoob Ntiaj Teb thiab Kev Cog Qoob Loo Hauv Qhov tob
Daim ntawv qhia kev siv ntawm ob sab iav modules tab tom nthuav dav sai thoob ntiaj teb:
Kev siv loj hauv cheeb tsam tau dhau los ua qhov tseem ceeb: Hauv cov cheeb tsam uas muaj kev cuam tshuam ntau thiab muaj kev cuam tshuam ntau xws li Middle East Desert, Gobi Desert hauv sab hnub poob Suav teb, thiab Latin American Plateau, cov iav ob chav bifacial tau dhau los ua qhov kev xaiv zoo tshaj plaws rau kev tsim cov chaw tsim hluav taws xob loj tshiab hauv av. Lub caij no, rau cov cheeb tsam uas muaj daus xws li Northern Europe, qhov tshwj xeeb siab ntawm cov khoom siv rov qab los ntawm daus (txog li 25%) kuj siv tag nrho.
Cov kev daws teeb meem tshwj xeeb rau cov xwm txheej tshwj xeeb tab tom tshwm sim: Kev lag luam tab tom qhia txog kev hloov kho kom tob rau cov chaw thov tshwj xeeb. Piv txwv li, los teb rau qhov teeb meem xuab zeb thiab hmoov av ntawm cov chaw tsim hluav taws xob hauv suab puam, qee cov khoom tau tsim nrog cov qauv tshwj xeeb los txo cov hmoov av sib sau ua ke, txo qhov zaus ntawm kev ntxuav thiab kev ua haujlwm thiab kev saib xyuas; Hauv qhov project agro-photovoltaic complementary, lub teeb-xa mus rau bisided module siv rau ntawm lub ru tsev cog khoom kom ua tiav kev sib koom ua ke ntawm kev tsim hluav taws xob thiab kev tsim khoom ua liaj ua teb. Rau cov chaw nyob hauv dej hiav txwv lossis ntug dej hiav txwv hnyav, cov khoom siv iav ob chav nrog kev tiv thaiv corrosion muaj zog dua tau tsim.
Kev Cia Siab Yav Tom Ntej: Kev Tsim Kho Tshiab tas mus li thiab Kev daws cov teeb meem
Kev txhim kho yav tom ntej ntawm cov iav ob sab ob sab yog puv nrog lub zog, tab sis nws kuj tseem yuav tsum ntsib cov teeb meem ncaj qha:
Kev ua haujlwm zoo txuas ntxiv mus: Cov thev naus laus zis N-hom uas sawv cev los ntawm TOPCon tam sim no yog lub zog tseem ceeb hauv kev txhim kho kev ua haujlwm ntawm cov modules bifacial. Cov thev naus laus zis perovskite / crystalline silicon tandem cell uas cuam tshuam ntau dua tau ua pov thawj tias muaj peev xwm hloov pauv tau ntau dua 34% hauv chav kuaj thiab xav tias yuav dhau los ua qhov tseem ceeb rau kev nce qib ntawm cov tiam tom ntej ntawm cov modules bifacial. Lub caij no, qhov sib piv bifacial tshaj 90% yuav txhim kho kev koom tes tsim hluav taws xob ntawm sab nraud.
Kev hloov kho qhov sib txawv ntawm tus qauv kev ua lag luam: Qhov feem ntawm kev ua lag luam tam sim no ntawm cov bifacial modules tseem niaj hnub nce ntxiv, tab sis nws yuav ntsib kev hloov pauv ntawm cov qauv yav tom ntej. Raws li cov iav ib leeg loj hlob hauv cov thev naus laus zis sib dua thiab tswj tus nqi (xws li LECO cov txheej txheem los txhim kho kev tiv thaiv dej thiab kev siv cov ntaub ntawv ntim khoom pheej yig dua), lawv qhov feem hauv kev ua lag luam ru tsev faib tawm yuav nce ntxiv. Cov iav ob chav bifacial yuav txuas ntxiv ua ke lawv txoj haujlwm tseem ceeb hauv cov chaw nres tsheb fais fab hauv av, tshwj xeeb tshaj yog hauv cov xwm txheej siab.
Cov teeb meem tseem ceeb uas yuav tsum tau daws:
Qhov hnyav thiab tus nqi sib npaug: Qhov hnyav nce ntxiv los ntawm cov qauv iav ob chav (kwv yees li 30%) yog qhov teeb meem tseem ceeb rau nws daim ntawv thov loj hauv ru tsev. Cov ntaub ntawv pob tshab muaj kev cia siab dav dav ua lwm txoj hauv kev sib dua, tab sis lawv lub sijhawm ntev (ntau tshaj 25 xyoo) tiv taus huab cua, tiv taus UV thiab tiv taus dej tseem yuav tsum tau txheeb xyuas los ntawm cov ntaub ntawv sab nraum zoov ntxiv.
Kev hloov kho tau ntawm lub kaw lus: Kev nrov npe ntawm cov khoom loj thiab muaj zog siab xav tau kev hloov kho dua tshiab ntawm cov khoom siv txhawb nqa xws li cov kab ke bracket thiab inverters, uas ua rau muaj kev nyuaj ntawm kev tsim qauv thiab tus nqi peev txheej pib, thiab xav tau kev sib koom tes ua kom zoo thoob plaws hauv cov saw hlau kev lag luam.
Lub sijhawm tshaj tawm: Lub Rau Hli-18-2025