DocumentCode
992738
Title
Measurement of spacecraft power transformer acoustic noise
Author
Kelley, Arthur W.
Author_Institution
Dept. of Electr. & Comput. Eng., Raleigh, NC, USA
Volume
26
Issue
1
fYear
1990
fDate
1/1/1990 12:00:00 AM
Firstpage
281
Lastpage
289
Abstract
The principal advantage of an AC power system over a DC power system in spacecraft is the use of transformers for changes in voltage. To reduce transformer weight, the power system frequency is chosen in the range of 400 Hz to 20 kHz. However, power transformers operated in this frequency range may generate unwanted acoustic noise. Measurements of the acoustic noise generated by representative power transformers over this frequency range are reported. Recommendations are given for transformer design when acoustic noise is a concern
Keywords
acoustic noise; power transformers; space vehicle power plants; 400 Hz to 20 kHz; AC power system; power system frequency; spacecraft power transformer acoustic noise; transformer design; transformer weight; Acoustic measurements; Acoustic noise; Frequency; Magnetic cores; Magnetostriction; Noise measurement; Power measurement; Power transformers; Space vehicles; Transformer cores;
fLanguage
English
Journal_Title
Magnetics, IEEE Transactions on
Publisher
ieee
ISSN
0018-9464
Type
jour
DOI
10.1109/20.50555
Filename
50555
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