Power System David Riddle. Overview Power Board Energy Budget of ERAU Eagle Satellite TASC Solar Panel Test TrisolX Soler Cells.

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Presentation transcript:

Power System David Riddle

Overview Power Board Energy Budget of ERAU Eagle Satellite TASC Solar Panel Test TrisolX Soler Cells

Power Board TrisolX solar cells to charge an Array of Super Capacitor Charge and discharge faster than most rechargeable batteries Have more charge and discharge cycles Larger than equivalent battery

Super Capacitors Eaton Bussmann HV1030-2R7106-R Capacitance of 10F Voltage rating of 2.7V Operating Temp range -40 to 65 °C Radial leads

Super Capacitor Array

Energy Budget ComponentVoltage (V)Current (mA)Power (mW)Duty Cycle (%)Orbit (min)Eff. (%)Dis. Energy (J)Charge Energy (J) PV Panel EPS OBC OBC (Eclipse) Receiver Transmitter GPS Ant GPS Memory Total

Solar Panel Test 40 Watt Tungsten Light Bulb Using the Top Solar Panel with GPS hole 21 TASC Solar Cells

TASC Solar Cell Triple-junction gallium arsenide Area cm 2 (0.353 sq. in.) Isc= 31 mA Imp= 28 mA Voc= 2.52 V Vmp= 2.19 V Pmp= W/cm 2 Cff= 80 % Efficiency= 27 ± 3% Absolute Temp. Coeff. Vmp = -6.2 mV/°C

Solar Panel

Solar Panel Test

TrisolX Solar Cells Triple-junction gallium arsenide Area 1.3 cm 2 (0.353 sq. in.) Imp= 14.6 mA Voc= 2.62 V Vmp= 2.33 V Pmp= 34 mW Efficiency= 28 % Temp. Coeff. Vmp = -6.1 mV/°C

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