Article Dans Une Revue COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering Année : 2024

Approach for sizing by optimization of an electrical drive considering a multiphysics and multidynamics behaviour

Résumé

Purpose: This paper aims to describe a modelling and solving methodology of a (static converter–electric motor–control) system for its sizing by optimization, considering the dynamic thermal heating of the machine. Design/methodology/approach: The electrical drive sizing model is composed of two simulators (electrical and thermal) that are co-simulated with a master−slave relationship for the time step management. The computation is stopped according to simulation criteria. Findings: This paper details a methodology to represent and size an electrical drive using a multiphysics and multidynamics approach. The thermal simulator is the master and calls the electrical system simulator at a fixed exchange time step. The two simulators use a dedicated dynamic time solver with adaptive time step and event management. The simulation automatically stops on pre-established criteria, avoiding useless simulations. Research limitations/implications: This paper aims to present a generic methodology for the sizing by optimization of electrical drives with a multiphysics approach, so the precision and computation time highly depend on the modelling method of each components. A genetic multiobjective optimization algorithm is used. Practical implications: The methodology can be applied to size electrical drives operating in a thermally limited zone. The power electronics converter and electrical machine can be easily adapted by modifying their sub-model, without impacting the global model and simulation principle. Originality/value: The approach enables to compute a maximum operating duration before reaching thermal limits and to use it as an optimization constraint. These system considerations allow to over constrain the electrical machine, enabling to size a smaller machine while guaranteeing the same output performances
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hal-04921090 , version 1 (05-02-2025)

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Robin Thomas, Laurent Gerbaud, Hervé Chazal, Lauric Garbuio. Approach for sizing by optimization of an electrical drive considering a multiphysics and multidynamics behaviour. COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 2024, 43 (4), pp.802-820. ⟨10.1108/COMPEL-10-2023-0521⟩. ⟨hal-04921090⟩
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