Wuxi Suntech Power Co. Ltd STP345S-24/Vfw

Mono-c-Si

345.328 W Pmax

46.3 V Voc

9.52 A Isc

38.2 V Vmp

9.04 A Imp

17.89 % eff.

0.7835 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	345.328	W
PTC Power	PTC	317.8	W
Open-circuit voltage	V_oc_ref	46.3	V
Short-circuit current	I_sc_ref	9.52	A
Max-power voltage	V_mp_ref	38.2	V
Max-power current	I_mp_ref	9.04	A
Fill factor	FF	0.7835	—
Efficiency (STC)	η	17.89	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005141	A/°C
Voc temperature coefficient	beta_oc	-0.142697	V/°C
Pmax temperature coefficient	gamma_r	-0.414	%/°C
NOCT	T_NOCT	44.0	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.86685	V
Light-generated current (ref)	I_L_ref	9.52053	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.27594	Ω
Shunt resistance (ref)	R_sh_ref	4927.31	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	10.4518	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.93 m²

NOCT 44.0 °C

CEC listing date 11/16/2022

Annual degradation 0.55%/yr