Tensioning System(4,p3.4) Material 3 Aluminum Mass Estimate = 3.21E-3 kg/panel 2.1.4.5 System Performance Cells per Panel « 252 Cell Area per Panel 3 1.24 square meters Efficiency « 14.34Z Solar Constant * 1353 W/m‘2 Panel Output * 240.6 W Power Required to Bus » 9.0 GW Panels per SPS 3 37.4 million Panel Area = 49.23 square kilometers 2.1.4.6 Mass Analysis Densities (kg/m3) Aluminum: 2.7E+3 Fused Silica: 2.2E+3 Silicon: 2.36E+3 Panel System Item Mass(kg) Mass(kg) Photovoltaic Cells 1.47E-1 5.50E+6 Cover Plate 2.12E-1 7.93E+6 Substrate 1.45E-1 5.42E+6 Interconnects 1.47E-2 5.50E+5 Support Wires 9.23E-3 3.45E+5 Panel to Wire Connectors 8.65E-4 3.24E+4 Tensioning System 3.21E-3 1.20E+5 TOTAL 5.32E-1 1.99E+7
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