LDK Solar LDK-220D-20

Mono-c-Si

219.96 W Pmax

36.9 V Voc

8.01 A Isc

31.2 V Vmp

7.05 A Imp

13.48 % eff.

0.7442 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	219.96	W
PTC Power	PTC	189.7	W
Open-circuit voltage	V_oc_ref	36.9	V
Short-circuit current	I_sc_ref	8.01	A
Max-power voltage	V_mp_ref	31.2	V
Max-power current	I_mp_ref	7.05	A
Fill factor	FF	0.7442	—
Efficiency (STC)	η	13.48	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.003564	A/°C
Voc temperature coefficient	beta_oc	-0.146861	V/°C
Pmax temperature coefficient	gamma_r	-0.561	%/°C
NOCT	T_NOCT	47.8	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.84556	V
Light-generated current (ref)	I_L_ref	8.01561	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.03808	Ω
Shunt resistance (ref)	R_sh_ref	54.357	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	25.9289	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.632 m²

Dimensions 1.642 × 0.994 m

NOCT 47.8 °C

CEC listing date 11/16/2022

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