NDLI: Development of a uninterrupted power system: ac and dc to dc converter

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Development of a uninterrupted power system: ac and dc to dc converter

Content Provider	NASA Technical Reports Server (NTRS)
Author	Schoenfeld, A. D. Cronin, D. L.
Copyright Year	1973
Description	This program covered the design, fabrication and testing of an advanced development model uninterrupted power system. The input and output requirements imposed on the power processor were specified such that the unit is electrically interchangeable with existing power systems used by the Federal Aviation Administration in installations which have a history of failure due to electrical transient conditions. Input power is from either of two single-phase ac power sources or batteries with electronic selection and transfer between power sources. Battery reconditioning is automatic when either ac source is present. The output power is rated at 84OW; the nominal output is 24V at 35A. Within the 84OW limit, the regulated output voltage is adjustable from 22V to 30Vdc. Protection against continuous overloading or short circuit is provided. The unit is packaged in a standard 19-inch rack mount configuration with 7-inch panel height. Controls are on the front panel with power input and output through connectors on the rear surface. Cooling is by free convection from fin areas located on the side and rear panels. The packaged unit weighs 52.8 lbs., which can be reduced significantly if a three-phase ac power source is used.
File Size	1022886
Page Count	35
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19740021300
Archival Resource Key	ark:/13960/t6935m647
Language	English
Publisher Date	1973-07-01
Access Restriction	Open
Subject Keyword	Auxiliary Systems Electrical Engineering Silicon Controlled Rectifiers Electric Power Supplies Circuit Protection Voltage Converters Dc To Dc Technology Utilization Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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