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Multi-level power quality assessment towards virtual testing of more electric aircraft

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3 Author(s)
Yang Ji ; Dept. of Syst. Dynamics & Control, German Aerosp. Center, Wessling, Germany ; Bals, J. ; Pfeiffer, A.

This paper introduces a multi-level power quality assessment approach towards virtual testing of more electric aircraft. Three levels with increasing accuracies are rough, approximated and exact power quality assessment. The requirement to the accuracy of power quality assessment strongly depends on different analysis jobs. With the multi-level power quality assessment approach, both sufficient accuracy and minimal cost can be ensured. Advanced steady-state analysis approaches for the switched power electronic systems with regard to the exact power quality assessment are introduced. The convergence performance of the applied steady-state analysis approaches is significantly improved by estimation of the state variables at steady-state using a generalized averaging technique. The proposed approach that has been implemented in Dymola is demonstrated by a pulse width modulated buck converter.

Note: As originally published the author A. Pfeiffer was omitted from the author byline. The metadata has been updated to reflect this addition but the PDF remains unchanged.  

Published in:

IPEC, 2010 Conference Proceedings

Date of Conference:

27-29 Oct. 2010