KOSOL ENERGIE PVT. LTD. KE650R

Mono-c-Si

650 W Pmax

50.3 V Voc

16.07 A Isc

42.5 V Vmp

15.3 A Imp

24.26 % eff.

0.8044 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	650.25	W
PTC Power	PTC	619.3	W
Open-circuit voltage	V_oc_ref	50.3	V
Short-circuit current	I_sc_ref	16.07	A
Max-power voltage	V_mp_ref	42.5	V
Max-power current	I_mp_ref	15.3	A
Fill factor	FF	0.8044	—
Efficiency (STC)	η	24.26	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006749	A/°C
Voc temperature coefficient	beta_oc	-0.119211	V/°C
Pmax temperature coefficient	gamma_r	-0.293	%/°C
NOCT	T_NOCT	43.1	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.73962	V
Light-generated current (ref)	I_L_ref	16.07632	A
Saturation current (ref)	I_o_ref	4.42e-12	A
Series resistance	R_s	0.14715	Ω
Shunt resistance (ref)	R_sh_ref	373.913	Ω
Cells in series	N_s	22	—
CEC Adjust factor	Adjust	3.1526	%

The CEC list gives 22 cells in series, which puts 2.29 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 CEC count times 3 (it counts one bypass substring).

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 66 (inferred, CEC lists 22)

Module area 2.68 m²

NOCT 43.1 °C

Temp. coefficient of Pmax -0.293 %/°C

Temp. coefficient of Voc -0.237 %/°C

Temp. coefficient of Isc 0.042 %/°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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