Hnub ci vaj huam sib luag wattage qhia txog lub zog ntawm lub module, tab sis nws tsis ncaj qha qhia koj tias lub vaj huam sib luag yuav tsim hluav taws xob ntau npaum li cas txhua hnub.
Kev tsim hluav taws xob nyob ntawm lub vaj huam sib luag muaj peev xwm, muaj hnub ci thiab qhov system poob.
Basic Formula
Kev suav yooj yim tuaj yeem sau ua:
Hnub Ci Zog=Hnub Ci Vaj Huam Sib Luag Lub Hwj Chim × Peak Sun Teev × Qhov Ua Tau Zoo
Piv txwv li, xav txog 500W hnub ci vaj huam sib luag.
500W sib npaug:
0.5 kW ib
Yog tias qhov chaw tau txais kwv yees li tsib lub hnub sib npaug ntawm lub hnub teev ntuj hauv ib hnub:
0.5kW × 5 teev=2.5kWh
Yog hais tias ib qho kev piav qhia system efficiency ntawm 80% yog siv:
2.5 kWh × 80%=2.0kWh
Qhov no tsuas yog kev kwv yees xwb. Qhov tseeb ntau lawm txawv nrog huab cua thiab kev teeb tsa.
Peak Sun Teev yog dab tsi?
Peak hnub teev sawv cev rau qhov sib npaug ntawm lub hnub ci zog tau txais ntawm qib siv irradiance.
Lawv txawv ntawm tag nrho cov hnub ci.
Ib qhov chaw tuaj yeem muaj lub hnub ci ntev tab sis tsawg dua qhov sib npaug ntawm lub hnub teev ntuj vim tias hnub ci siv zog hloov pauv txhua hnub.
Tej yam uas cuam tshuam rau kev tsim hluav taws xob
Kev tsim khoom tiag tiag tuaj yeem cuam tshuam los ntawm:
Hnub ci irradiance
Kub
ntxoov ntxoo
Vaj huam sib luag orientation
Vaj huam sib luag qaij
Plua plav
Kev puas tsuaj
Inverter efficiency
Module degradation
Xam Ib Solar Array
Tib txoj hauv kev tuaj yeem siv rau ntau lub vaj huam sib luag.
Piv txwv li, kaum 500W panels muab:
10 × 500W=5kW
Nrog tsib lub hnub sib npaug ntawm lub hnub:
5 kW × 5 teev=25kWh
Siv ib qho kev piav qhia 80% kev ua haujlwm zoo:
25 kWh × 80%=20kWh
Cov kws tshaj lij PV tsim yuav tsum siv lub hnub ci hauv zos- cov ntaub ntawv thiab cov qauv tsim qauv kom raug kwv yees ntau dua.