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Effects of Solar Array Shadowing on the Power Capability of the Interim Control ModuleThe Interim Control Module (ICM) is being built by the US Naval Research Laboratory (NRL) for NASA as a propulsion module for the International Space Station (ISS). Originally developed as a spinning spacecraft used to move payloads to their final orbit, for ISS, the ICM will be in a fixed orientation and location for long periods resulting in substantial solar panel shadowing. This paper describes the methods used to determine the incident energy incident energy on the ICM solar panels and the power capability of the electric power system (EPS). Applying this methodology has resulted in analyses and assessments used to identify ICM early design changes/options, placement and orientations that enable successful operation of the EPS under a wide variety of anticipated conditions.
Document ID
19990063832
Acquisition Source
Glenn Research Center
Document Type
Reprint (Version printed in journal)
Authors
Fincannon, James (NASA Glenn Research Center Cleveland, OH United States)
Hojnicki, Jeffrey S. (NASA Glenn Research Center Cleveland, OH United States)
Garner, James Christopher (Naval Research Lab. Washington, DC United States)
Date Acquired
September 6, 2013
Publication Date
July 1, 1999
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
NAS 1.15:209378
E-11792
SAE-99-01-2432
NASA/TM-1999-209378
Meeting Information
Meeting: Intersociety Energy Conversion Engineering
Location: Vancouver, British Columbia
Country: Canada
Start Date: August 1, 1999
End Date: August 5, 1999
Sponsors: Society of Automotive Engineers
Funding Number(s)
PROJECT: RTOP 575-15-69
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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