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Switching System for Redundant Power SuppliesLoad-transfer unit connects airborne computer to standby power supply in case primary supply fails. Concept adaptable to systems in which power interruptions cannot be tolerated; for example, computers with volatile memories, safety equipment, and precise timers. Load-transfer unit monitors voltages and load current. Microprocessor controls transistor switches that connect load to whichever power supply has highest priority and correct voltage.
Document ID
19860000420
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Bradford, M.
(United Technologies)
Grant, R.
(United Technologies)
Parkinson, G.
(United Technologies)
Date Acquired
August 12, 2013
Publication Date
September 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 10
Issue: 5
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
ARC-11545
Accession Number
86B10420
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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