Transcription of Spacecraft Power Systems - MIT OpenCourseWare
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Spacecraft Power Systems - MIT OpenCourseWare
Spacecraft Power Systems David W. Miller John Keesee Electrical Power System EPS. Power Energy Power Power Regulation Source Storage Distribution and Control Power Sources Primary Batteries Radioisotope Secondary Battery Thermionic converter Fuel cell Thermoelectric converter Regenerative fuel cell Photovoltaic Chemical dynamic Solar dynamic Nuclear Flywheel Storage Electrodynamics Tethers Propulsion-charged tether Power Source Applicability 100. NUCLEAR THERMIONICS. SOLAR DYNAMIC AND. FUEL CELL PHOTOVOLTAIC. NUCLEAR. LOAD Power (kW). 10. CHEMICAL. DYNAMIC. (APUs) NUCLEAR THERMIONIC. OR SOLAR DYNAMIC. PHOTOVOLTAIC OR. 1 ISTOTOPE - THERMOELECTRIC. PRIMARY MONTHS YEARS. BATTERIES.
flywheel and power the satellite during the eclipse phase – present flywheel technology is about four times better than present battery technology on a power stored vs. weight comparison. • Weighing less than 130 lbs, the FESM is 18.4-in. in diameter by 15.9-in. in length – Delivers 2 kW-hr of useful energy for a typical 37-
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