Vietnam Sunergy Joint Stock Company VSUN555N-132BMH

Mono-c-Si

555 W Pmax

48.75 V Voc

14.08 A Isc

41.43 V Vmp

13.4 A Imp

23.42 % eff.

0.8088 FF

66 cells

IV & PV Curves at STC (1000 W/m², 25 °C)

IV Curves at Multiple Conditions

Irradiance sweep at 25 °C

Temperature sweep at 1000 W/m²

Single-Diode Model Parameters

Source: California Energy Commission module list · retrieved via SAM library · energy.ca.gov · All data sources

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	555.162	W
PTC Power	PTC	526.0	W
Open-circuit voltage	V_oc_ref	48.75	V
Short-circuit current	I_sc_ref	14.08	A
Max-power voltage	V_mp_ref	41.43	V
Max-power current	I_mp_ref	13.4	A
Fill factor	FF	0.8088	—
Efficiency (STC)	η	23.42	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.007054	A/°C
Voc temperature coefficient	beta_oc	-0.116123	V/°C
Pmax temperature coefficient	gamma_r	-0.2885	%/°C
NOCT	T_NOCT	45.0	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.7	V
Light-generated current (ref)	I_L_ref	14.08525	A
Saturation current (ref)	I_o_ref	4.72e-12	A
Series resistance	R_s	0.14129	Ω
Shunt resistance (ref)	R_sh_ref	378.921	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	4.2089	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 66

Module area 2.37 m²

NOCT 45.0 °C

Temp. coefficient of Pmax -0.289 %/°C

Temp. coefficient of Voc -0.238 %/°C

Temp. coefficient of Isc 0.050 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

Same Test Data

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