SPS Built of Lunar Material SRA Report for SSI

TABLE OF CONTENTS FOREWORD 1. EXECUTIVE SUMMARY 1 2. SOLAR POWER CONVERSION SYSTEMS 11 2.1 SILICON PLANAR 13 2.2 GALLIUM ARSENIDE CONCENTRATOR 22 2.3 THERMOPHOTOVOLTAIC 32 2.4 BRAYTON 39 2.5 RANKINE 52 2.6 STIRLING 60 2.7 CONCENTRATING REFLECTORS 66 2.8 RADIATOR SYSTEMS 67 3. STRUCTURE 69 4. POWER DISTRIBUTION SYSTEM 76 5. MICROWAVE SUBSYSTEMS 80 5.1 GYROCON 82 5.2 KLYSTRON 83 5.3 MAGNETRON 84 5.4 MICROWAVE LENS 86 6. ESTIMATED MASS STATEMENT FOR 5 GW SPS 90 7. CONCLUSIONS & RECOMMENDATIONS 95 LIST OF ACRONYMS AND ABBREVIATIONS 97 SPS ILLUSTRATION 99 References are listed at the end of each section.

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