Yingli Energy (China) YL255P-32b

Multi-c-Si

255.125 W Pmax

41.0 V Voc

8.4 A Isc

32.5 V Vmp

7.85 A Imp

14.38 % eff.

0.7408 FF

66 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	255.125	W
PTC Power	PTC	225.1	W
Open-circuit voltage	V_oc_ref	41.0	V
Short-circuit current	I_sc_ref	8.4	A
Max-power voltage	V_mp_ref	32.5	V
Max-power current	I_mp_ref	7.85	A
Fill factor	FF	0.7408	—
Efficiency (STC)	η	14.38	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.003385	A/°C
Voc temperature coefficient	beta_oc	-0.13899	V/°C
Pmax temperature coefficient	gamma_r	-0.468	%/°C
NOCT	T_NOCT	48.6	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.70749	V
Light-generated current (ref)	I_L_ref	8.41083	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.45289	Ω
Shunt resistance (ref)	R_sh_ref	351.405	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	7.041	%

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 66

Module area 1.774 m²

Dimensions 1.792 × 0.99 m

NOCT 48.6 °C

CEC listing date 11/16/2022

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