Accelerated functional-level modeling of more-electric aircraft electrical power system

The more-electric aircraft concept (MEA) is one of the major trends 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 requires intensive simulations to ensure the system integrity, requested quality and performance under possible normal and abnormal scenarios. At the same time, the increased use of tightly-controlled motor drives and power electronic converters can make the simulation of the large-scale EPS impractical due to enormous computation time or numerical non-convergence due to the model complexity. This paper addresses 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 library application is demonstrated on the example study of the performance of a twin-generator example EPS under both normal and faulty regimes.