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More-electric aircraft electrical power system accelerated functional modeling

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4 Author(s)
Bozhko, S.V. ; Electr. Syst. & Opt. Res. Div., Univ. of Nottingham, Nottingham, UK ; Wu, T. ; Tao, Y. ; Asher, G.M.

The development of future more-electric aircraft (MEA) is a major trend in modern aircraft electric power system (EPS) engineering that results in a significantly increased number of onboard loads driven by power-electronics. Development of appropriate EPS architectures, ensuring the power system integrity, stability and assessment of overall system quality and performance under possible normal and abnormal scenarios requires extensive simulation activity. The increased use of power electronics can make the simulation of the large-scale EPS impractical due to enormous computation time or even numerical non-convergence due to the model complexity. Hence, there is a strong demand for accurate but time-efficient modeling techniques for MEA EPS simulations. The paper reports the development of a functional models library capable of significant improvement in simulation time whilst maintaining good accuracy up to a specified frequency range. The application of the library is demonstrated on the example study of the performance of a twin-generator example EPS under both normal and faulty regimes.

Published in:

Power Electronics and Motion Control Conference (EPE/PEMC), 2010 14th International

Date of Conference:

6-8 Sept. 2010