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Chargeur de batteries intégré pour véhicule électrique

Abstract : The battery charge is a key point for the electric vehicle development. Nowadays gears such as onboard charger, fast charging station, inductive coupling charger are proposed and can meet user expectations. Low power devices (3 kW) can carry out a complete charge (called "slow") of the batteries during slack periods (5 to 8 hours). More powerful devices (higher than 10 kW power fow) operate a fast (20 to 30 minutes) and partial (70 to 80 %) charge. The "slow" chargers involve additio-nal weight and cost to the vehicle. The fast chargers are more complex and more expensive and their number will be limited as well as their interest (to perform gas-station). The proposed solution which uses the existing components (converters, AC motor) of the electric vehicle to realize a charger appears as an interesting feld. The integrated charger is born, its design depends on traction structure. The charge structure is based on the electric vehicle using an AC drive-train. On the single phase network the "slow" type charger bas been realized. A two-stage structure allows to comply with low frequency standards and ofers a large output voltage range. The use of motor windings as inductors is analyzed. The equipment connected to three-phase power supply leads to the fast charging thanks to a single-stage structure. The use of the generalized average model allows modelling and controlling all the studied structures to be done. An efective control on the reactive input current bas been developed for the three-phase charger in order to adjust output voltage versus battery voltage.
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https://tel.archives-ouvertes.fr/tel-00585314
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Submitted on : Tuesday, April 12, 2011 - 3:10:30 PM
Last modification on : Friday, November 6, 2020 - 4:38:58 AM
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  • HAL Id : tel-00585314, version 1

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Bertrand Chauchat. Chargeur de batteries intégré pour véhicule électrique. Sciences de l'ingénieur [physics]. Institut National Polytechnique de Grenoble - INPG, 1997. Français. ⟨tel-00585314⟩

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