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SUPERCAPACITORS FOR DYNAMIC ENERGY MANAGEMENT IN HYBRID ELECTRIC VEHICLE

Authors: Camara, Mamadou Baïlo Camara;

SUPERCAPACITORS FOR DYNAMIC ENERGY MANAGEMENT IN HYBRID ELECTRIC VEHICLE

Abstract

This subject is the continuity of the works started at L2ES Laboratory within the framework of ECCE program in collaboration with CREEBEL which ensures the nancial support. ECCE test bench is a series electrical hybrid vehicle with 4 independent wheels and a rated power of 120kW. The main energy source consists of two diesel motors and each is coupled to one alternator. The produced energy feeds 4 electric traction motors ; the remainder is stored by the batteries. This thesis presents the energy coupling strategies between these batteries and the supercapacitors to ensure dynamics in energy supply and storage for the hybrid vehicle. A bibliographical study has allowed to review technical progress and the available applications of the supercapacitors. A simplied model of supercapacitors which accurately translates the behavior of the cells during the charge and discharge is developed. Several DC/DC converters topologies with original strategies of embarked power management are developed. These topologies are based on the Buck-Boost converters and DC/AC-AC/DC converters with high frequency planar transformer. For cost raisons, the experimental test benches has been designed at a reduced scale ( 1/10 ). The experimental results obtained have allowed to compare the topologies performances for two control strategies. The polynomial control strategy (RST) is compared to classical PI correctors. These comparative studies have allowed choosing the best topology intended for the supercapacitors coupling to ECCE DC-bus.; Ce sujet s'inscrit dans la continuité des travaux commencés au sein du L2ES dans le cadre du programme ECCE en partenariat avec CREEBEL qui assure le nancement. La plateforme ECCE est un véhicule hybride électrique série à 4 roues indépendantes d'une puissance nominale en propulsion de 120kW électrique. La source d'énergie principale est constituée de deux moteurs diesels entraînant deux alternateurs. L'énergie électrique produite alimente les 4 moteurs électriques de traction et le reste est stocké dans le pack des batteries. Cette thèse développe les stratégies de couplage énergétique entre ce pack des batteries et les supercondensateurs an d'assurer au véhicule une dynamique de fourniture et du stockage de l'énergie électrique. Une étude bibliographique a permis de passer en revue le bilan technologique et les applications potentielles des supercondensateurs, puis d'élaborer le modèle simplié des supercondensateurs qui traduit dèlement le comportement des cellules durant les phases de charge et de décharge. Diérentes topologies des convertisseurs DC/DC avec des stratégies originales de gestion d'énergie électrique embarquée sont traitées. Les topologies proposées sont basées sur les convertisseurs Buck-Boost et les convertisseurs DC/AC-AC/DC à étage intermédiaire haute fréquence. Pour une raison de coût, les maquettes expérimentales des topologies ont été réalisées à l'échelle réduite ( 1/10 ). Les résultats expérimentaux obtenus ont permis de comparer les performances des topologies pour deux types de commande. La stratégie de gestion d'énergie à base des correcteurs polynomiaux (RST) est comparée à celle utilisant des correcteurs PI classiques. Ces études comparatives ont permis de choisir la meilleure topologie destinée au couplage des supercondensateurs sur le bus continu du banc ECCE.

Country
France
Keywords

[SPI.OTHER]Engineering Sciences [physics]/Other, Supercondensateur, commande polynomiale, buck-boost converter, convertisseur DC/DC, [ SPI.OTHER ] Engineering Sciences [physics]/Other, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Energy management, système multi sources, Battery, [SPI.OTHER] Engineering Sciences/Other, Véhicule hybride, Hybrid vehicle, [SPI.NRJ] Engineering Sciences/Electric power, Modelling, RST, gestion d'énergie électrique, [ SPI.NRJ ] Engineering Sciences [physics]/Electric power, Ultracapacitors, DC/DC converter, batterie, Supercapacitors

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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