Page 74 - Advances in Renewable Energies and Power Technologies

6. Circuit and Device Simulation of Solar Cells and Modules 47

I mp ÞR sho

the I sc R sho
of
slope ðI sc V oc

the V mp
R sho ) calculating condition

(Initializing by done circuit short I¼I sc V oc B þ AþB I mp I mp ÞR sho Þlog ðV mp I mp R s ÞðV mp ðI sc I mp ÞR sho Þ ðV mp I mp R sho ÞV T

Method be can at curve vV ¼ vI V mp ðA BÞ I mp ðAþBÞ ðI sc ¼ðV mp I mp R sho V mp

Procedure 2nd This IeV R sho ¼ R s A ¼ B ¼ n

Extraction V oc I mp Þ R sh þR s I sc ¼ I ph and R sh

Two-Parameter material ðR sh þR s ÞI sc V oc V oc exp nV T

of cell solar I sc Þ I mp R s Þ nV T ðV mp I sc V oc R s of ¼ I s R sh
Steps the nV T V mp ð2I mp þ I mp R s nV T equation

and n) knowing cells series 1.5) I mp ÞV oc ÞðV mp V mp implicit
Equations (Estimating by done of number N s < n cell exp ¼ an is ðV mp I mp R s ÞðV mp ðI sc I mp ÞR s nV T Þ , ðV mp I mp R s ÞðI sc I mp Þ nV T I mp

1.2 Method be can the n cell < 1 ðI sc equation ¼
Table 1st This and ¼ n (usually, ðV mp I sc This R sh