LONGi Green Energy Technology Co. Ltd. LR4-72HIH-450M

Mono-c-Si

451.26 W Pmax

50.0 V Voc

11.5 A Isc

41.4 V Vmp

10.9 A Imp

20.8 % eff.

0.7848 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	451.26	W
PTC Power	PTC	419.9	W
Open-circuit voltage	V_oc_ref	50.0	V
Short-circuit current	I_sc_ref	11.5	A
Max-power voltage	V_mp_ref	41.4	V
Max-power current	I_mp_ref	10.9	A
Fill factor	FF	0.7848	—
Efficiency (STC)	η	20.8	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.0046	A/°C
Voc temperature coefficient	beta_oc	-0.1345	V/°C
Pmax temperature coefficient	gamma_r	-0.34	%/°C
NOCT	T_NOCT	45.6	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.82683	V
Light-generated current (ref)	I_L_ref	11.5065	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.26951	Ω
Shunt resistance (ref)	R_sh_ref	478.952	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	3.0667	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 2.17 m²

NOCT 45.6 °C

CEC listing date 11/16/2022

Annual degradation 0.55%/yr