TOPCO SOLAR INC. TP120H-445MB

Mono-c-Si
445 W Pmax
41.1 V Voc
13.79 A Isc
33.8 V Vmp
13.16 A Imp
20.59 % eff.
0.7848 FF
60 cells
IV & PV Curves at STC (1000 W/m², 25 °C)
IV Curves at 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 · All data sources

Parameter Symbol Value Unit
Nameplate (STC)
STC Power STC 444.808 W
PTC Power PTC 417.2 W
Open-circuit voltage V_oc_ref 41.1 V
Short-circuit current I_sc_ref 13.79 A
Max-power voltage V_mp_ref 33.8 V
Max-power current I_mp_ref 13.16 A
Fill factor FF 0.7848 —
Efficiency (STC) η 20.59 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.007447 A/°C
Voc temperature coefficient beta_oc -0.111792 V/°C
Pmax temperature coefficient gamma_r -0.353 %/°C
NOCT T_NOCT 43.6 °C
Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 1.54371 V
Light-generated current (ref) I_L_ref 13.9379 A
Saturation current (ref) I_o_ref 3.77e-11 A
Series resistance R_s 0.19548 Ω
Shunt resistance (ref) R_sh_ref 273.61 Ω
Cells in series N_s 60 —
CEC Adjust factor Adjust 8.0817 %
Additional Model Sources
Source Model type Fit quality Citation
CEC module list (via SAM library) Default CEC / De Soto single-diode — https://www.energy.ca.gov/media/2367
Sandia PVsyst single-diode fit PVsyst single-diode NMBE Pmp-0.0207 Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

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