Wuxi Suntech Power Co. Ltd STP340S-24/Vfw

Mono-c-Si

340.233 W Pmax

46.2 V Voc

9.41 A Isc

38.1 V Vmp

8.93 A Imp

17.63 % eff.

0.7826 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	340.233	W
PTC Power	PTC	313.1	W
Open-circuit voltage	V_oc_ref	46.2	V
Short-circuit current	I_sc_ref	9.41	A
Max-power voltage	V_mp_ref	38.1	V
Max-power current	I_mp_ref	8.93	A
Fill factor	FF	0.7826	—
Efficiency (STC)	η	17.63	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005081	A/°C
Voc temperature coefficient	beta_oc	-0.142388	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	1.86298	V
Light-generated current (ref)	I_L_ref	9.41092	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.28075	Ω
Shunt resistance (ref)	R_sh_ref	2867.45	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	10.4678	%

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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