Chint New Energy Technology Co. Ltd. CHSM66M(DG)/F-BH-640

Mono-c-Si Bifacial

640.441 W Pmax

45.1 V Voc

18.22 A Isc

37.3 V Vmp

17.17 A Imp

21.14 % eff.

0.7794 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	640.441	W
PTC Power	PTC	593.7	W
Open-circuit voltage	V_oc_ref	45.1	V
Short-circuit current	I_sc_ref	18.22	A
Max-power voltage	V_mp_ref	37.3	V
Max-power current	I_mp_ref	17.17	A
Fill factor	FF	0.7794	—
Efficiency (STC)	η	21.14	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.00911	A/°C
Voc temperature coefficient	beta_oc	-0.131241	V/°C
Pmax temperature coefficient	gamma_r	-0.386	%/°C
NOCT	T_NOCT	44.8	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.76344	V
Light-generated current (ref)	I_L_ref	18.2333	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.14185	Ω
Shunt resistance (ref)	R_sh_ref	194.931	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	9.9405	%

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 66

Module area 3.03 m²

NOCT 44.8 °C

CEC listing date 11/16/2022