Communication Dans Un Congrès Année : 2020

Computational Cost Efficient Model of Losses for Multi-port Active-bridge Converters

Résumé

Multi-port active-bridge (MAB) converters, in single and clustered architecture, are used for many different applications. Due to intertwining of currents and powers of all their ports, finding a closed form solution for optimal control of single and clustered MAB converters that leads to highest efficiency is not an option. Therefore, optimization of power distribution in a cluster of MAB converters must be done by trial and error, which requires a model that can predict the losses. A detailed and accurate model of losses, however, would need large amounts of memory and processing resources, which makes real-time optimization of control and modulations costly, if not almost impossible. This work seeks to propose a computational cost efficient model, which is able to predict the losses with acceptable accuracy. Given the operating point of a MAB converter, this model is able to predict total losses using polynomial calculations. This efficient model can be employed for optimizing control of a cluster of MAB converters. Predictions of this model are compared against experimental measurements to validate its correct operation.

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Dates et versions

hal-03145561 , version 1 (18-02-2021)

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Soleiman Galeshi, David Frey, Yves Lembeye. Computational Cost Efficient Model of Losses for Multi-port Active-bridge Converters. IEEE Energy Conversion Congress & Expo – ECCE 2020, Oct 2020, Détroit (virtual), United States. ⟨10.1109/ECCE44975.2020.9236119⟩. ⟨hal-03145561⟩
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