Tswv yim 1: Photovoltaic wafers yuav tsum yog tib qhov loj li semiconductor wafers.
Qhov tseeb: Photovoltaic silicon wafers tsis muaj dab tsi ua nrog qhov loj ntawm semiconductor silicon wafers, tab sis yuav tsum tau soj ntsuam los ntawm kev xav ntawm tag nrho cov kev lag luam photovoltaic saw.
Kev tsom xam: Los ntawm kev xav ntawm kev lag luam saw, tus nqi qauv ntawm kev lag luam photovoltaic saw thiab semiconductor kev lag luam saw sib txawv; Nyob rau tib lub sijhawm, qhov nce ntawm cov semiconductor silicon wafer tsis cuam tshuam rau cov duab ntawm ib nti, yog li nws tsis cuam tshuam rau cov khoom ntim rov qab thiab daim ntawv thov, thaum lub cell photovoltaic yog loj dua, nws muaj kev cuam tshuam zoo rau kev ntim khoom. tsim ntawm photovoltaic modules thiab fais fab nroj tsuag.
Tswvyim 2: Qhov loj ntawm cov khoom loj, qhov zoo dua. 600W zoo dua 500W cov khoom, thiab 700W thiab 800W cov khoom yuav tshwm sim tom ntej.
Qhov tseeb: Loj rau loj, loj dua yog zoo dua rau LCOE.
Kev tsom xam: Lub hom phiaj ntawm kev hloov kho tshiab yuav tsum yog los txo tus nqi ntawm kev tsim hluav taws xob photovoltaic. Nyob rau hauv cov ntaub ntawv ntawm tib lub neej voj voog tsim hluav taws xob, lub ntsiab kev txiav txim siab yog seb cov modules loj tuaj yeem txo tus nqi ntawm photovoltaic modules lossis txo BOS nqi ntawm photovoltaic fais fab nroj tsuag. Ntawm qhov tod tes, cov khoom loj loj tsis tuaj yeem txo tus nqi ntawm cov khoom. Ntawm qhov tod tes, nws tseem ua rau muaj kev cuam tshuam rau kev thauj mus los ntawm cov khoom siv, kev teeb tsa ntawm phau ntawv, thiab cov khoom siv sib txuam ntawm qhov kawg ntawm qhov system, uas tsim kev puas tsuaj rau cov nqi hluav taws xob. Qhov loj dua qhov zoo, qhov loj dua qhov pom zoo yog nug tau.
Tswvyim 3: Feem ntau ntawm PERC cell expansions tshiab yog raws li 210 specifications, yog li 210 yuav twv yuav raug hu ua mainstream yav tom ntej.
Qhov tseeb: Qhov loj npaum li cas los ua qhov tseem ceeb tseem nyob ntawm tus nqi ntawm tag nrho kev lag luam saw ntawm cov khoom. Tam sim no, qhov loj 182 zoo dua.
Kev tsom xam: Thaum qhov kev sib cav loj tsis meej, cov tuam txhab roj teeb zoo li ua tau raws li qhov loj me kom tsis txhob muaj kev pheej hmoo. Los ntawm lwm qhov kev xav, lub peev xwm tshiab tau nthuav dav yog txhua yam sib xws nrog 182 qhov tshwj xeeb. Leej twg yuav dhau los ua lub ntsiab yog nyob ntawm tus nqi ntawm tag nrho kev lag luam saw ntawm cov khoom.
Tswvyim 4: Qhov loj dua qhov loj ntawm wafer, tus nqi qis dua.
Qhov tseeb: Xav txog tus nqi ntawm silicon mus rau qhov kawg ntawm cov khoom, tus nqi ntawm 210 feem ntau siab dua li ntawm 182 cov khoom.
Kev tsom xam: Nyob rau hauv cov nqe lus ntawm silicon wafers, lub thickening ntawm silicon rods yuav ua rau kom tus nqi ntawm siv lead ua kev loj hlob mus rau ib tug tej yam, thiab cov tawm los ntawm slicing yuav poob los ntawm ob peb feem pua. Zuag qhia tag nrho, tus nqi ntawm silicon wafers ntawm 210 yuav nce 1 ~ 2 ntsiab lus / W piv nrog 182;
Qhov loj dua silicon wafer yog qhov tsim nyog rau kev txuag cov nqi ntawm cov roj teeb tsim, tab sis 210 roj teeb muaj cov kev xav tau siab dua ntawm cov khoom tsim khoom. Qhov zoo tshaj plaws, 210 tuaj yeem txuag tau 1 ~ 2 cov ntsiab lus / W hauv cov roj teeb raug nqi piv nrog 182, xws li tawm los, Efficiency yeej ib txwm sib txawv, tus nqi yuav siab dua;
Nyob rau hauv cov nqe lus ntawm cov khoom, 210 (ib nrab-chip) Cheebtsam muaj siab nyob rau hauv poob vim muaj ntau heev tam sim no, thiab cov khoom efficiency yog li ntawm 0.2% qis tshaj li cov pa Cheebtsam, uas ua rau tus nqi nce ntawm 1 cent / W. 55-cell module ntawm 210 txo qhov kev ua tau zoo ntawm cov module los ntawm 0.2% vim muaj qhov ntev jumper vuam strips, thiab tus nqi nce ntxiv. Tsis tas li ntawd, 60-cell module ntawm 210 muaj qhov dav ntawm 1.3m. Txhawm rau kom ntseeg tau tias lub peev xwm thauj khoom ntawm lub module, tus nqi ntawm lub thav duab yuav nce ntxiv, thiab tus nqi ntawm cov module yuav tsum tau nce ntau dua 3 ntsiab lus / W. Yuav kom tswj tau tus nqi ntawm lub module, nws yog ib qho tsim nyog yuav tau txi lub module. load peev.
Xav txog tus nqi ntawm silicon wafer mus rau qhov kawg ntawm cov khoom, tus nqi ntawm 210 cov khoom yog siab dua li ntawm 182 feem. Tsuas yog saib cov roj teeb nqi yog heev ib sab.
Tswvyim 5: Qhov siab dua lub zog module, qhov qis BOS tus nqi ntawm qhov chaw nres tsheb photovoltaic.
Qhov tseeb: Piv nrog 182 Cheebtsam, 210 Cheebtsam yog qhov tsis zoo ntawm BOS tus nqi vim qhov ua tau zoo me ntsis.
Kev tsom xam: Muaj kev sib raug zoo ntawm kev ua haujlwm ntawm module thiab BOS tus nqi ntawm photovoltaic fais fab nroj tsuag. Kev sib raug zoo ntawm lub zog module thiab BOS tus nqi yuav tsum tau txheeb xyuas ua ke nrog cov qauv tsim tshwj xeeb. BOS cov nqi txuag tau coj los ntawm kev nce lub zog ntawm cov qauv loj ntawm tib qhov kev ua tau zoo los ntawm peb yam: kev txuag nqi ntawm cov hlua loj, thiab cov nqi txuag ntawm txoj hlua siab ntawm cov khoom siv hluav taws xob. Kev txuag ntawm tus nqi installation xam los ntawm qhov thaiv, ntawm qhov uas qhov kev txuag ntawm tus nqi bracket yog qhov loj tshaj plaws. Kev sib piv tshwj xeeb ntawm 182 thiab 210 modules: ob qho tib si tuaj yeem siv los ua cov hlua loj loj rau cov chaw nres tsheb loj hauv av; ntawm cov khoom siv hluav taws xob, txij li thaum 210 modules sib haum rau cov hlua tshiab inverters thiab yuav tsum tau nruab nrog 6mm2 cables, nws tsis nqa nyiaj txuag; nyob rau hauv cov nqe lus ntawm installation nqi, Txawm nyob rau hauv lub tiaj tus, qhov dav ntawm 1.1m thiab cheeb tsam ntawm 2.5m2 yeej ncav cuag qhov txwv ntawm yooj yim installation los ntawm ob tug neeg. Qhov dav ntawm 1.3m thiab qhov loj ntawm 2.8m2 rau 210 60-cell module sib dhos yuav coj cov teeb meem rau kev teeb tsa ntawm lub module. Rov qab mus rau module efficiency, 210 modules yuav muaj qhov tsis zoo hauv BOS tus nqi vim qhov ua tau zoo me ntsis.
Tswvyim 6: Qhov siab dua txoj hlua fais fab, qhov qis BOS tus nqi ntawm qhov chaw nres tsheb photovoltaic.
Qhov tseeb: Ntau txoj hlua fais fab tuaj yeem nqa BOS cov nqi txuag, tab sis 210 modules thiab 182 modules tsis sib xws nrog cov khoom siv hluav taws xob qub (xws li 6mm2 cables thiab high-tam sim no inverters), thiab tsis tuaj yeem nqa BOS cov nqi txuag.
Kev Ntsuam Xyuas: Zoo ib yam li cov lus nug dhau los, qhov kev xav no yuav tsum tau txheeb xyuas ua ke nrog cov txheej txheem tsim qauv. Nws yog tsim nyob rau hauv ib tug tej yam ntau yam, xws li los ntawm 156.75 mus rau 158.75 mus rau 166. Qhov loj ntawm cov khoom hloov pauv yog txwv, thiab qhov loj ntawm lub bracket nqa tib txoj hlua tsis hloov ntau. , inverters tau sib xws nrog tus qauv tsim, yog li qhov nce hauv txoj hlua fais fab tuaj yeem nqa BOS cov nqi txuag. Rau 182 modules, qhov module loj thiab qhov hnyav yog qhov loj dua, thiab qhov ntev ntawm lub bracket kuj tseem nce ntxiv, yog li qhov chaw yog taw qhia rau cov chaw loj loj tiaj tiaj, uas tuaj yeem txuag tau BOS nqi ntxiv. Ob qho 210 modules thiab 182 modules tuaj yeem sib phim nrog cov hlua loj, thiab cov khoom siv hluav taws xob tsis sib haum nrog cov qauv tsim (xws li 6mm2 cables thiab high-tam sim no inverters), uas yuav tsis coj BOS cov nqi txuag.
Tswvyim 7: 210 modules muaj qhov pheej hmoo ntawm qhov chaw kub, thiab qhov kub ntawm qhov kub yog qis dua 158.75 thiab 166 modules.
Qhov tseeb: Qhov kub ntawm qhov kev pheej hmoo ntawm 210 module yog siab dua li ntawm lwm cov modules.
Kev tsom xam: Qhov kub ntawm qhov kub yog qhov muaj feem xyuam nrog rau tam sim no, cov xov tooj ntawm tes, thiab cov xau tam sim no. Cov xau tam sim no ntawm cov roj teeb sib txawv tuaj yeem suav tias yog qhov zoo ib yam. Kev ntsuas theoretical ntawm qhov kub ntawm lub zog hauv kev kuaj sim: 55cell 210 modules 60cell 210 modules 182 modules 166 modules 156.75 modules, tom qab qhov tseeb ntsuas 3 modules (IEC standard test condition, shading ratio 5%~ 90% of the kev ntsuam xyuas nyias) qhov kub qhov chaw kub kuj tseem qhia txog qhov sib txawv. Yog li ntawd, qhov kub ntawm qhov kev pheej hmoo ntawm 210 module yog siab dua li ntawm lwm cov modules.
Kev nkag siab tsis meej 8: Lub thawv sib txuas sib txuas nrog 210 cov khoom tau tsim, thiab kev ntseeg tau zoo dua li lub thawv sib txuas ntawm cov khoom tseem ceeb tam sim no.
Qhov tseeb: Lub thawv sib txuas kev ntseeg tau muaj kev pheej hmoo rau 210 cov khoom tau nce ntxiv.
Kev tsom xam: 210 ob-sided modules xav tau 30A hlws ris lub thawv, vim 18A (short-circuit tam sim no) × 1.3 (ob npaug-sided module coefficient) × 1.25 (bypass diode coefficient)=29.25A. Tam sim no, 30A hlws ris lub thawv tsis paub tab, thiab cov chaw tsim khoom lag luam txiav txim siab siv ob chav diodes nyob rau hauv parallel kom ua tiav 30A. Piv nrog rau lub thawv sib txuas ntawm cov khoom tseem ceeb, qhov kev cia siab ntawm ib qho kev tsim diode nce ntau heev (cov diodes nce, thiab ob lub diodes yog ib qho nyuaj ua kom zoo ib yam).
Lus dab neeg 9: 210 cov khoom ntawm 60 lub hlwb tau daws qhov teeb meem ntawm kev thauj mus los siab.
Qhov tseeb: Kev xa khoom thiab ntim cov tshuaj rau 210 cov khoom yuav ua rau kom tus nqi tawg.
Kev tsom xam: Txhawm rau kom tsis txhob muaj kev puas tsuaj rau cov khoom thaum lub sij hawm thauj mus los, cov khoom raug muab tso rau hauv vertically thiab ntim rau hauv cov thawv ntoo. Qhov siab ntawm ob lub thawv ntoo yog ze rau qhov siab ntawm lub txee siab 40-foot. Thaum qhov dav ntawm cov khoom yog 1.13m, tsuas yog 10cm ntawm forklift loading thiab unloading nyiaj tshuav. Qhov dav ntawm 210 modules nrog 60 hlwb yog 1.3m. Nws tau lees tias yog lub ntim ntim uas daws nws cov teeb meem kev thauj mus los. Cov modules yuav tsum tau muab tso rau hauv lub thawv ntoo, thiab kev puas tsuaj ntawm kev thauj mus los yuav nce ntxiv.