Variable Speed Constant Frequency (Vscf) Aircraft Electrical Power
Document Number: 771002
Date Published: February 1977
Author(s):
E. B. Canfield - Aircraft Equipment Div., General Electric Co.
J. W. Summerford - Aircraft Equipment Div., General Electric Co.
Abstract:
This paper describes the operation, design, performance, and application of high reliability, variable speed constant frequency (VSCF) aircraft electric power generating systems. A high frequency, multi-phase, brushless generator supplies power to a frequency converter which conditions the variable frequency generator output into precision 3-phase, 115/200V, 400 Hz aircraft power, using the cycloconverter principle. Systems have been built with ratings from 20 to 150 kva. For a 75 kva system, the weight to rating ratio is about 1.6 lbs/kva and rated load efficiency is 80%. Predicted MTBF for current systems is in the 2000 to 6000 hour range.
Product Status: In Stock
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