1. Report No. NASA CR-2357 2. Government Accession No. 3. Recipient's Catalog No. 4. Title and Subtitle FEASIBILITY STUDY OF A SATELLITE SOLAR POWER STATION 5. Report Date February 197^ 6. Performing Organization Code 7. Author(s) Peter E. Glaser, Owen E. Maynard, John Mackovciak, Jr., and Eugene L. Ralph (see following page for affiliation) 8. Performing Organization Report No. ADL-C-74830 10. Work Unit No. 11. Contract or Grant No. NAS 3-16804 13. Type of Report and Period Covered Contractor Report 14. Sponsoring Agency Code 9. Performing Organization Name and Address Arthur D. Little, Inc. 20 Acorn Park Cambridge, Massachusetts 02140 12. Sponsoring Agency Name and Address National Aeronautics and Space Administration Washington, D. C. 20546 15. Supplementary Notes Final Report. Project Manager, Ronald L. Thomas, Power Systems Division, NASA Lewis Research Center, Cleveland, Ohio 16. Abstract A feasibility study of a satellite solar power station (SSPS) was conducted to (1) explore how an SSPS could be ''flown” and controlled in orbit; (2) determine the techniques needed to avoid radio* frequency interference (RFI); and (3) determine the key environmental, technological, and economic issues involved. Structural and dynamic analyses of the SSPS structure were performed, and deflections and internal member loads were determined. Desirable material characteristics were assessed and technology developments identified. Flight control performance of the SSPS baseline design was evaluated and parametric sizing studies were performed. The study of RFI avoidance techniques covered (1) optimization of the microwave transmission system; (2) device design and expected RFI; and (3) SSPS RFI effects. The identification of key issues involved (1) microwave generation, transmission, and rectification and solar energy conversion; (2) environmental-ecological impact and biological effects; and (3) economic issues, i. e., costs and benefits associated with the SSPS, The feasibility of the SSPS based on the parameters of the study was established. 17. Key Words (Suggested by Author(s)) Solar cells; Satellite power system; Microwave power; Solar terrestrial power 18. Distribution Statement Unclassified - unlimited 19. Security Classif. (of this report) Unclassified 20. Security Classif. (of this page) Unclassified 21. No. of Pages 199 22. Price* Domestic, $5.25 Foreign, $7.75
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