Wuxi Suntech Power Co. Ltd STP320-24/Vfw

Multi-c-Si

320.292 W Pmax

45.4 V Voc

9.11 A Isc

37.2 V Vmp

8.61 A Imp

16.6 % eff.

0.7744 FF

72 cells

IV curves not yet precomputed for this module. Run python manage.py precompute_iv_curves to generate them.

CEC Single-Diode Model Parameters

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	320.292	W
PTC Power	PTC	291.8	W
Open-circuit voltage	V_oc_ref	45.4	V
Short-circuit current	I_sc_ref	9.11	A
Max-power voltage	V_mp_ref	37.2	V
Max-power current	I_mp_ref	8.61	A
Fill factor	FF	0.7744	—
Efficiency (STC)	η	16.6	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005931	A/°C
Voc temperature coefficient	beta_oc	-0.14755	V/°C
Pmax temperature coefficient	gamma_r	-0.4391	%/°C
NOCT	T_NOCT	44.6	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.89937	V
Light-generated current (ref)	I_L_ref	9.11215	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.29966	Ω
Shunt resistance (ref)	R_sh_ref	1272.41	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	12.4291	%

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.93 m²

NOCT 44.6 °C

CEC listing date 11/16/2022

Annual degradation 0.55%/yr