Abstract
This paper proposes a comprehensive simulation model for the Electrical Power System (EPS) of More Electrical Aircrafts (MEA). Taking the presently typical MEA model of Boeing 787 as an example, the integrated structure of EPS is firstly illustrated and the operating principles are theorized. The key components of the MEA EPS including generators, rectifiers, loads, breakers, control devices, cables and other supplementary elements are then simulated to build a comprehensive EPS model on the platform of MATLAB/Simulink. Although the model's scale is large, its simulation time is guaranteed thanks to using the built-in blocks provided by Simulink. Finally, the stability analysis in terms of normal operation and different faults are carried out in case studies and power source switching strategies in different situations are summarized. The results showed that the comprehensive model proposed by the paper can be used to simulate MEA EPS and analyze its operational stability effectively and efficiently.
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