Risen Energy Co. Ltd. RSM132-8-640BMDG

Mono-c-Si Bifacial

640 W Pmax

45.09 V Voc

18.08 A Isc

37.51 V Vmp

17.07 A Imp

22.0 % eff.

0.7854 FF

66 cells

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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	640.296	W
PTC Power	PTC	600.4	W
Open-circuit voltage	V_oc_ref	45.09	V
Short-circuit current	I_sc_ref	18.08	A
Max-power voltage	V_mp_ref	37.51	V
Max-power current	I_mp_ref	17.07	A
Fill factor	FF	0.7854	—
Efficiency (STC)	η	22.0	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.00984	A/°C
Voc temperature coefficient	beta_oc	-0.123898	V/°C
Pmax temperature coefficient	gamma_r	-0.3614	%/°C
NOCT	T_NOCT	43.4	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.71601	V
Light-generated current (ref)	I_L_ref	18.09216	A
Saturation current (ref)	I_o_ref	6.93e-11	A
Series resistance	R_s	0.1347	Ω
Shunt resistance (ref)	R_sh_ref	200.229	Ω
Cells in series	N_s	22	—
CEC Adjust factor	Adjust	10.0152	%

The CEC list gives 22 cells in series, which puts 2.05 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 66 cells in series for the .PAN file and Similar Modules, found from the model name (132 half cells).

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 66 (inferred, CEC lists 22)

Module area 2.91 m²

NOCT 43.4 °C

Temp. coefficient of Pmax -0.361 %/°C

Temp. coefficient of Voc -0.275 %/°C

Temp. coefficient of Isc 0.054 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

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