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Complete and accurate modular numerical computation scheme for multi‐coupled electric drive systems

The accurate computation of multi-coupled electric drive systems is a complex process. In order to consider a variety of physical effects, their interactions as well as the interactions of different components, multiple fields of science have to be addressed. Numerical simulations help to compute these complex systems and to design machines in the best possible way for its specific application. The numerical computation scheme proposed in this study consists of six main sectors: the rough machine design, the preparation of the finite element method including the characterisation and modelling of materials, the electromagnetic simulation, the mechanical simulation, the control and power electronics and the thermal design and simulation. In each of the main sectors, different effects affecting the machine and the system behaviour can be considered and calculated. Depending on the application, they can be added or removed modularly in order to adapt the simulation effort and the simulation accuracy to the application. A detailed insight into the computation methods and approaches in each of these main sectors and their coupling is given in this study.