Shanghai ST Solar STP270-72

Multi-c-Si

269.892 W Pmax

44.1 V Voc

8.5 A Isc

35.28 V Vmp

7.65 A Imp

13.73 % eff.

0.72 FF

72 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	269.892	W
PTC Power	PTC	241.6	W
Open-circuit voltage	V_oc_ref	44.1	V
Short-circuit current	I_sc_ref	8.5	A
Max-power voltage	V_mp_ref	35.28	V
Max-power current	I_mp_ref	7.65	A
Fill factor	FF	0.72	—
Efficiency (STC)	η	13.73	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.0051	A/°C
Voc temperature coefficient	beta_oc	-0.14112	V/°C
Pmax temperature coefficient	gamma_r	-0.45	%/°C
NOCT	T_NOCT	46.8	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.88221	V
Light-generated current (ref)	I_L_ref	8.54443	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.43191	Ω
Shunt resistance (ref)	R_sh_ref	82.64	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	18.3538	%

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.966 m²

Dimensions 1.966 × 1.0 m

NOCT 46.8 °C

CEC listing date 11/16/2022

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