Hengdian Group DMEGC Magnetics DM250-P156-72

Multi-c-Si

249.812 W Pmax

43.8 V Voc

7.87 A Isc

34.6 V Vmp

7.22 A Imp

13.27 % eff.

0.7247 FF

72 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	249.812	W
PTC Power	PTC	220.8	W
Open-circuit voltage	V_oc_ref	43.8	V
Short-circuit current	I_sc_ref	7.87	A
Max-power voltage	V_mp_ref	34.6	V
Max-power current	I_mp_ref	7.22	A
Fill factor	FF	0.7247	—
Efficiency (STC)	η	13.27	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004722	A/°C
Voc temperature coefficient	beta_oc	-0.15768	V/°C
Pmax temperature coefficient	gamma_r	-0.49	%/°C
NOCT	T_NOCT	47.1	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.91865	V
Light-generated current (ref)	I_L_ref	7.89521	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.51423	Ω
Shunt resistance (ref)	R_sh_ref	160.525	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	10.5222	%

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.882 m²

Dimensions 1.936 × 0.972 m

NOCT 47.1 °C

CEC listing date 11/16/2022