Evaluation of the dynamic interactions between aircraft gas turbine engine and electrical system

With the growing demand for increased electrical power offtake from aircraft engines (especially in future more-electric aircraft with bleedless engine designs), it is increasingly important to understand the relationship that exists between the operation of the engine and the behaviour of the aircraft electrical power distribution system. Indeed simplifying either system neglects key aspects of whole system dynamics. This paper discusses potential interactions that could take place, with both conventional and more-electric engine designs, highlighting the risks as well as opportunities for improved overall system performance. The paper then discusses the integration of high fidelity models of an engine and an aircraft electrical power distribution system for the purposes of investigating the holistic system behaviour. Preliminary simulation results are presented to demonstrate the modelling and simulation capability as well as illustrating the opportunities for further research.