Spacecraft Power Systems David w. miller ohn keesee
Spacecraft Power Systems David W. Miller John Keesee
Electrical Power System EPS Power Energy Power Power Regulation Source Storage Distribution and Control
Electrical Power System Power Source Energy Storage Power Distribution Power Regulation and Control EPS
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 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 NUCLEAR THERMIONICS SOLAR DYNAMIC AND FUEL CELL PHOTOVOLTAIC 风 JCLEAR CHEMICAL DYNAMIC (APUS) A NUCLEAR THERMIONIC OR SOLAR DYNAMIC >》入 PHOTOVOLTAIC OR ISTOTOPE- THERMOELECTRIC PRIMARY MONTI YEAR BATTERIES 1 DAY 10 DAY 6810 0.1 0.1 100 10 10 HOURS pproximate ranges of application of different power sources
Power Source Applicability FUEL CELL CHEMICAL DYNAMIC (APUs) HOURS LOAD POWER (kW)NUCLEAR NUCLEAR THERMIONICS SOLAR DYNAMIC AND PHOTOVOLTAIC NUCLEAR THERMIONIC OR SOLAR DYNAMIC PHOTOVOLTAIC OR ISTOTOPE - THERMOELECTRIC PRIMARY MONTHS YEARS BATTERIES 1 DAY 0.1 0.1 1 10 100 1 1 2 2 4 6 810 3 6 12 10 100 10 3 10 4 10 5 10 DAYS Approximate ranges of application of different power sources
Design Space for rtGs 100 Nuclear reactors d104 5-Year Design Life 10 Chemical The 87-year half-life of Pu-238 results in 96% of the original heat output even after five years Sola Radioisotopes 10 1HOUR 1 DAY 1 MONTH 1 YEAR 10 YEARS Duration of use
Design Space for RTGs 5-Year Design Life % of Original Power Years 50 0 100 1 10 87 The 87-year half-life of Pu-238 results in 96% of the original heat output even after five years Electric - Power Level (kW) Duration of Use 10 MIN 1 HOUR 1 DAY 1 MONTH 1 YEAR 10 YEARS Chemical 10-1 100 101 102 103 104 105 106 107 Radioisotopes Nuclear reactors Solar