Wuxi Suntech Power Co. Ltd STP320S-A21/Wfhb

Mono-c-Si

320.016 W Pmax

41.7 V Voc

9.64 A Isc

35.4 V Vmp

9.04 A Imp

18.5 % eff.

0.7961 FF

60 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	320.016	W
PTC Power	PTC	297.8	W
Open-circuit voltage	V_oc_ref	41.7	V
Short-circuit current	I_sc_ref	9.64	A
Max-power voltage	V_mp_ref	35.4	V
Max-power current	I_mp_ref	9.04	A
Fill factor	FF	0.7961	—
Efficiency (STC)	η	18.5	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005206	A/°C
Voc temperature coefficient	beta_oc	-0.111339	V/°C
Pmax temperature coefficient	gamma_r	-0.341	%/°C
NOCT	T_NOCT	45.5	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.57663	V
Light-generated current (ref)	I_L_ref	9.64779	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.15026	Ω
Shunt resistance (ref)	R_sh_ref	186.047	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	11.6234	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.73 m²

NOCT 45.5 °C

CEC listing date 11/16/2022

Annual degradation 0.55%/yr