Suntech Power STP235-20/Wd
Multi-c-Si
235.258
W Pmax
37.0
V Voc
8.35
A Isc
30.2
V Vmp
7.79
A Imp
14.26
% eff.
0.7615
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 | 235.258 | W |
| PTC Power | PTC | 213.9 | W |
| Open-circuit voltage | V_oc_ref | 37.0 | V |
| Short-circuit current | I_sc_ref | 8.35 | A |
| Max-power voltage | V_mp_ref | 30.2 | V |
| Max-power current | I_mp_ref | 7.79 | A |
| Fill factor | FF | 0.7615 | — |
| Efficiency (STC) | η | 14.26 | % |
| Temperature Coefficients | |||
| Isc temperature coefficient | alpha_sc | 0.004718 | A/°C |
| Voc temperature coefficient | beta_oc | -0.125793 | V/°C |
| Pmax temperature coefficient | gamma_r | -0.4502 | %/°C |
| NOCT | T_NOCT | 43.7 | °C |
| CEC Single-Diode (De Soto) Parameters | |||
| Modified ideality factor | a_ref | 1.56557 | V |
| Light-generated current (ref) | I_L_ref | 8.36023 | A |
| Saturation current (ref) | I_o_ref | — | A |
| Series resistance | R_s | 0.27971 | Ω |
| Shunt resistance (ref) | R_sh_ref | 228.254 | Ω |
| Cells in series | N_s | 60 | — |
| CEC Adjust factor | Adjust | 9.8143 | % |
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Module Specifications
Technology
Multi-c-Si
Bifacial
No
BIPV
No
Cells in series
60
Module area
1.65 m²
Dimensions
1.665 × 0.991 m
NOCT
43.7 °C
CEC listing date
11/16/2022
Annual degradation
0.55%/yr
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