Wuxi Suntech Power Co. Ltd STP280S-20/Wfw

Mono-c-Si

280.088 W Pmax

38.2 V Voc

9.4 A Isc

31.4 V Vmp

8.92 A Imp

17.29 % eff.

0.78 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	280.088	W
PTC Power	PTC	254.7	W
Open-circuit voltage	V_oc_ref	38.2	V
Short-circuit current	I_sc_ref	9.4	A
Max-power voltage	V_mp_ref	31.4	V
Max-power current	I_mp_ref	8.92	A
Fill factor	FF	0.78	—
Efficiency (STC)	η	17.29	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.00532	A/°C
Voc temperature coefficient	beta_oc	-0.126327	V/°C
Pmax temperature coefficient	gamma_r	-0.4466	%/°C
NOCT	T_NOCT	45.0	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.60711	V
Light-generated current (ref)	I_L_ref	9.50026	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.22789	Ω
Shunt resistance (ref)	R_sh_ref	345.486	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	11.7352	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.62 m²

NOCT 45.0 °C

CEC listing date 11/16/2022

Annual degradation 0.55%/yr