Shanghai Aerospace Automobile Electromechanical Co. Ltd. HT78-18X-595

Mono-c-Si

595 W Pmax

53.9 V Voc

14.03 A Isc

45.4 V Vmp

13.11 A Imp

21.26 % eff.

0.7871 FF

78 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	595.194	W
PTC Power	PTC	551.2	W
Open-circuit voltage	V_oc_ref	53.9	V
Short-circuit current	I_sc_ref	14.03	A
Max-power voltage	V_mp_ref	45.4	V
Max-power current	I_mp_ref	13.11	A
Fill factor	FF	0.7871	—
Efficiency (STC)	η	21.26	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.00491	A/°C
Voc temperature coefficient	beta_oc	-0.137445	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	2.07232	V
Light-generated current (ref)	I_L_ref	14.1925	A
Saturation current (ref)	I_o_ref	6.91e-11	A
Series resistance	R_s	0.15597	Ω
Shunt resistance (ref)	R_sh_ref	99.53	Ω
Cells in series	N_s	156	—
CEC Adjust factor	Adjust	21.3069	%

The CEC list gives 156 cells in series, which puts 0.35 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 78 cells in series for the .PAN file and Similar Modules, found from the model name (78 cells).

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 78 (inferred, CEC lists 156)

Module area 2.8 m²

NOCT 45.9 °C

Temp. coefficient of Pmax -0.373 %/°C

Temp. coefficient of Voc -0.255 %/°C

Temp. coefficient of Isc 0.035 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Measured Data

No measured data yet for this module.

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