Apollo Renewables Inc Apollo-M772BH-540TW

Mono-c-Si Bifacial
540 W Pmax
49.6 V Voc
13.86 A Isc
41.64 V Vmp
12.97 A Imp
21.1 % eff.
0.7856 FF
72 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 540.071 W
PTC Power PTC 505.0 W
Open-circuit voltage V_oc_ref 49.6 V
Short-circuit current I_sc_ref 13.86 A
Max-power voltage V_mp_ref 41.64 V
Max-power current I_mp_ref 12.97 A
Fill factor FF 0.7856 —
Efficiency (STC) η 21.1 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.005211 A/°C
Voc temperature coefficient beta_oc -0.142451 V/°C
Pmax temperature coefficient gamma_r -0.3722 %/°C
NOCT T_NOCT 43.4 °C
Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 1.90089 V
Light-generated current (ref) I_L_ref 13.8749 A
Saturation current (ref) I_o_ref 6.3e-11 A
Series resistance R_s 0.15944 Ω
Shunt resistance (ref) R_sh_ref 148.321 Ω
Cells in series N_s 72 —
CEC Adjust factor Adjust 6.95 %
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 Pmp0.2487 Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

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