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Power electronic applications for Space Station FreedomNASA plans to orbit a permanently manned space station in the late 1990s, which requires development and assembly of a photovoltaic (PV) power source system to supply up to 75 kW of electrical power average during the orbital period. The electrical power requirements are to be met by a combination of PV source, storage, and control elements for the sun and eclipse periods. The authors discuss the application of power electronics and controls to manage the generation, storage, and distribution of power to meet the station loads, as well as the computer models used for analysis and simulation of the PV power system. The requirements for power source integrated controls to adjust storage charge power during the insolation period current limiting, breaker interrupt current values, and the electrical fault protection approach are defined. Based on these requirements, operating concepts have been defined which then become drivers for specific system and element design.
Document ID
19910052209
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Pickrell, Roy L.
(NASA Lewis Research Center Cleveland, OH, United States)
Lazbin, Igor
(Analex Corp. Fairview Park, OH, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1990
Subject Category
Spacecraft Propulsion And Power
Meeting Information
Meeting: PESC ''90 - Annual IEEE Power Electronics Specialists Conference
Location: San Antonio, TX
Country: United States
Start Date: June 11, 1990
End Date: June 14, 1990
Accession Number
91A36832
Distribution Limits
Public
Copyright
Other

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