Shanghai Aerospace Automobile Electromechanical Co. Ltd. HT78-18X-590

Mono-c-Si

590.712 W Pmax

53.8 V Voc

13.96 A Isc

45.3 V Vmp

13.04 A Imp

21.1 % eff.

0.7865 FF

156 cells

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

IV Curves — 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

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	590.712	W
PTC Power	PTC	546.4	W
Open-circuit voltage	V_oc_ref	53.8	V
Short-circuit current	I_sc_ref	13.96	A
Max-power voltage	V_mp_ref	45.3	V
Max-power current	I_mp_ref	13.04	A
Fill factor	FF	0.7865	—
Efficiency (STC)	η	21.1	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004886	A/°C
Voc temperature coefficient	beta_oc	-0.13719	V/°C
Pmax temperature coefficient	gamma_r	-0.373	%/°C
NOCT	T_NOCT	45.9	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	2.07947	V
Light-generated current (ref)	I_L_ref	14.2699	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.15437	Ω
Shunt resistance (ref)	R_sh_ref	74.953	Ω
Cells in series	N_s	156	—
CEC Adjust factor	Adjust	22.592	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 156

Module area 2.8 m²

NOCT 45.9 °C

CEC listing date 11/16/2022

Measured Data

No measured data yet for this module.