LDK Solar LDK-280P-24

Multi-c-Si

280.236 W Pmax

44.3 V Voc

8.36 A Isc

36.3 V Vmp

7.72 A Imp

14.4 % eff.

0.7567 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	280.236	W
PTC Power	PTC	251.2	W
Open-circuit voltage	V_oc_ref	44.3	V
Short-circuit current	I_sc_ref	8.36	A
Max-power voltage	V_mp_ref	36.3	V
Max-power current	I_mp_ref	7.72	A
Fill factor	FF	0.7567	—
Efficiency (STC)	η	14.4	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004523	A/°C
Voc temperature coefficient	beta_oc	-0.142261	V/°C
Pmax temperature coefficient	gamma_r	-0.453	%/°C
NOCT	T_NOCT	46.4	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.88436	V
Light-generated current (ref)	I_L_ref	8.37609	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.31247	Ω
Shunt resistance (ref)	R_sh_ref	162.373	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	17.4336	%

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.946 m²

Dimensions 1.958 × 0.994 m

NOCT 46.4 °C

CEC listing date 11/16/2022

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