Design of Modular Power Management and Attitude Control Subsystems for a Microsatellite

Table 1

GaAs triple-junction solar cell characteristics.

Type
Cell dimension	39.8 mm × 60.4 mm
Short circuit current density	17.67
Open circuit voltage	2700
Maximum power point current density	17.13
Maximum power point voltage	2396
Fill factor (FF)	0.86
Efficiency ()	30%
Change in open circuit voltage per degree change in temperature	−5.589 mV/°C
Change in maximum power point voltage per degree change in temperature	−5.964 mV/°C