U.S. Solar USS-QCMI2-60-255

Multi-c-Si

255.0 W Pmax

37.9 V Voc

8.66 A Isc

31.25 V Vmp

8.16 A Imp

15.55 % eff.

0.7769 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	255.0	W
PTC Power	PTC	226.2	W
Open-circuit voltage	V_oc_ref	37.9	V
Short-circuit current	I_sc_ref	8.66	A
Max-power voltage	V_mp_ref	31.25	V
Max-power current	I_mp_ref	8.16	A
Fill factor	FF	0.7769	—
Efficiency (STC)	η	15.55	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005196	A/°C
Voc temperature coefficient	beta_oc	-0.13644	V/°C
Pmax temperature coefficient	gamma_r	-0.5	%/°C
NOCT	T_NOCT	46.7	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.69194	V
Light-generated current (ref)	I_L_ref	8.66201	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.20978	Ω
Shunt resistance (ref)	R_sh_ref	903.516	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	14.6192	%

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.64 m²

Dimensions 1.653 × 0.992 m

NOCT 46.7 °C

CEC listing date 11/16/2022

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