Suntech Power STP225-20/Wde

Multi-c-Si

225.256 W Pmax

36.7 V Voc

8.15 A Isc

29.6 V Vmp

7.61 A Imp

13.65 % eff.

0.7531 FF

60 cells

IV curves not yet precomputed for this module. Run python manage.py precompute_iv_curves to generate them.

CEC Single-Diode Model Parameters

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	225.256	W
PTC Power	PTC	203.9	W
Open-circuit voltage	V_oc_ref	36.7	V
Short-circuit current	I_sc_ref	8.15	A
Max-power voltage	V_mp_ref	29.6	V
Max-power current	I_mp_ref	7.61	A
Fill factor	FF	0.7531	—
Efficiency (STC)	η	13.65	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.003504	A/°C
Voc temperature coefficient	beta_oc	-0.114504	V/°C
Pmax temperature coefficient	gamma_r	-0.417	%/°C
NOCT	T_NOCT	45.9	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.46482	V
Light-generated current (ref)	I_L_ref	8.16314	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.36042	Ω
Shunt resistance (ref)	R_sh_ref	223.626	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	6.9324	%

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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 45.9 °C

CEC listing date 11/16/2022

Annual degradation 0.55%/yr

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