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 & PV Curves at STC (1000 W/m², 25 °C)
IV Curves — Multiple Conditions

Irradiance sweep at 25 °C

Temperature sweep at 1000 W/m²

Single-Diode Model Parameters

Source: California Energy Commission module list · retrieved via SAM library · energy.ca.gov

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
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
Measured Data
No measured data yet for this module.
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