Cycle-based and multirate approach for the fast simulation of multidisciplinary power systems

A cycle-based and multirate approach for power system simulation application to the ageing estimation of a super capacitor-based ferry This presentation introduces an original multi-rate method for the simulation of power systems with a wide range of time scales and with high mutual dependency between the fast and slow state variables. The concept developed in this work relies on a cycle-based problem formulation, which consists in finding the repeating operation sequences of the system, at the different time scales. A discrete form version of a conventional second order variable step solver is proposed and allows the extrapolation of a minimal number of cycle calculations, while controlling a predetermined error tolerance on the state variables. This cycle-based formulation is applied to the simulation of the energy storage unit of an all-electric ferry which uses super capacitors as energy storage. This problem needs the simulation of the electrical power operation of the boat, throughout its lifetime of 20 years. With this original cycle-based formulation, the computation effort can be reduced by several hundred while maintaining low error tolerances.

讲座人简介：

Luc LORON was born in Beauvais, France in 1958. He graduated from the Ecole Normale Supérieure de Cachan and received his Agrégation in EEA (Electronics, Electrical Engineering and Automatics) in 1981. He obtained his PhD degree in Process Control in 1985 from the Université de Technologie de Compiègne. He is currently with the IREENA (the Institute of Research in Electrical Engineering) in Saint-Nazaire, France. His main research interests are the control, the optimization and the simulation of electrical systems. Currently, he is Headmaster of the Electrical Engineering Department of Polytech’Nantes. For the memory book, you may add He was the Head of the “Electrical Engineering” specialty of the “Electronics and Electrical Engineering” Research Master from 2001 to 2008. I also join the photo for IEEE papers.

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