Steady-State and Dynamic Performance of a 20-Khz/400-Hz Power Distribution System for More and All-Electric Aircraft Applications

Document Number: 941195

Date Published: April 1994

Author(s):
Scott D. Sudhoff - University of Missouri
Paul C. Krause - P.C. Krause and Associates
Oleg Wasynczuk - P.C. Krause and Associates
Barbara H. Kenny - NASA
Irving H. Hansen - NASA

Abstract:
The steady-state and dynamic performance of a candidate aircraft power distribution system is considered. The system features distribution of both single phase 20-kHz and three-phase 400 Hz power. It is shown that unlike some other recent 20-kHz systems, the power quality of the 20-kHz bus is not a concern due to the use of a synchronous bi-directional rectifier (SBR) as the primary interface to the 20-kHz bus. In addition to showing that the system behaves adequately in the steady-state, the dynamic performance of the system is considered during step changes in load, bolted faults, and sudden variations in jet engine speed.

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See other papers presented at Aerospace Atlantic Conference & Exposition, April 1994, Dayton, OH, USA, Session: Aerospace Atlantic Conference & Exposition

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