Yingli Energy (China) YL450D-40d 1500V 1/2

Mono-c-Si

450.846 W Pmax

49.8 V Voc

11.42 A Isc

41.4 V Vmp

10.89 A Imp

21.27 % eff.

0.7927 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	450.846	W
PTC Power	PTC	422.3	W
Open-circuit voltage	V_oc_ref	49.8	V
Short-circuit current	I_sc_ref	11.42	A
Max-power voltage	V_mp_ref	41.4	V
Max-power current	I_mp_ref	10.89	A
Fill factor	FF	0.7927	—
Efficiency (STC)	η	21.27	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004111	A/°C
Voc temperature coefficient	beta_oc	-0.12948	V/°C
Pmax temperature coefficient	gamma_r	-0.331	%/°C
NOCT	T_NOCT	44.7	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.78771	V
Light-generated current (ref)	I_L_ref	11.4219	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.25936	Ω
Shunt resistance (ref)	R_sh_ref	1558.83	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	2.5955	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 2.12 m²

NOCT 44.7 °C

CEC listing date 11/16/2022

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