U.S. Solar USS-QCMI3-72-280

Multi-c-Si

280.157 W Pmax

44.15 V Voc

8.33 A Isc

35.78 V Vmp

7.83 A Imp

14.41 % eff.

0.7618 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	280.157	W
PTC Power	PTC	251.8	W
Open-circuit voltage	V_oc_ref	44.15	V
Short-circuit current	I_sc_ref	8.33	A
Max-power voltage	V_mp_ref	35.78	V
Max-power current	I_mp_ref	7.83	A
Fill factor	FF	0.7618	—
Efficiency (STC)	η	14.41	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006167	A/°C
Voc temperature coefficient	beta_oc	-0.149669	V/°C
Pmax temperature coefficient	gamma_r	-0.4411	%/°C
NOCT	T_NOCT	46.5	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.8649	V
Light-generated current (ref)	I_L_ref	8.33512	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.37107	Ω
Shunt resistance (ref)	R_sh_ref	604.257	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	9.6289	%

Actions

Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.944 m²

Dimensions 1.96 × 0.992 m

NOCT 46.5 °C

CEC listing date 11/16/2022

Related Models