LDK Solar LDK-255D-20
Mono-c-Si
255.429
W Pmax
38.1
V Voc
8.93
A Isc
30.3
V Vmp
8.43
A Imp
15.65
% eff.
0.7507
FF
60
cells
python manage.py precompute_iv_curves to generate them.
CEC Single-Diode Model Parameters
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Nameplate (STC) | |||
| STC Power | STC | 255.429 | W |
| PTC Power | PTC | 226.2 | W |
| Open-circuit voltage | V_oc_ref | 38.1 | V |
| Short-circuit current | I_sc_ref | 8.93 | A |
| Max-power voltage | V_mp_ref | 30.3 | V |
| Max-power current | I_mp_ref | 8.43 | A |
| Fill factor | FF | 0.7507 | — |
| Efficiency (STC) | η | 15.65 | % |
| Temperature Coefficients | |||
| Isc temperature coefficient | alpha_sc | 0.004294 | A/°C |
| Voc temperature coefficient | beta_oc | -0.13335 | V/°C |
| Pmax temperature coefficient | gamma_r | -0.4726 | %/°C |
| NOCT | T_NOCT | 48.0 | °C |
| CEC Single-Diode (De Soto) Parameters | |||
| Modified ideality factor | a_ref | 1.60158 | V |
| Light-generated current (ref) | I_L_ref | 8.93026 | A |
| Saturation current (ref) | I_o_ref | — | A |
| Series resistance | R_s | 0.37678 | Ω |
| Shunt resistance (ref) | R_sh_ref | 12770.4 | Ω |
| Cells in series | N_s | 60 | — |
| CEC Adjust factor | Adjust | 5.5144 | % |
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Module Specifications
Technology
Mono-c-Si
Bifacial
No
BIPV
No
Cells in series
60
Module area
1.632 m²
Dimensions
1.642 × 0.994 m
NOCT
48.0 °C
CEC listing date
11/16/2022
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