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RSS FeedsEnergies, Vol. 12, Pages 3862: Smart Battery Pack for Electric Vehicles Based on Active Balancing with Wireless Communication Feedback (Energies)

 
 

12 october 2019 18:03:17

 
Energies, Vol. 12, Pages 3862: Smart Battery Pack for Electric Vehicles Based on Active Balancing with Wireless Communication Feedback (Energies)
 




In this paper, the concept of smart battery pack is introduced. The smart battery pack is based on wireless feedback from individual battery cells and is capable to be applied to electric vehicle applications. The proposed solution increases the usable capacity and prolongs the life cycle of the batteries by directly integrating the battery management system in the battery pack. The battery cells are connected through half-bridge chopper circuits, which allow either the insertion or the bypass of a single cell depending on the current states of charge. This consequently leads to the balancing of the whole pack during both the typical charging and discharging time of an electric vehicle and enables the fault-tolerant operation of the pack. A wireless feedback for implementing the balancing method is proposed. This solution reduces the need for cabling and simplifies the assembling of the battery pack, making also possible a direct off-board diagnosis. The paper validates the proposed smart battery pack and the wireless feedback through simulations and experimental results by adopting a battery cell emulator.


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28 viewsCategory: Biophysics, Biotechnology, Physics
 
Energies, Vol. 12, Pages 3863: Triggering Optimal Control of Air Conditioning Systems by Event-Driven Mechanism: Comparing Direct and Indirect Approaches (Energies)
Energies, Vol. 12, Pages 3861: A Formulation of the Thrust Coefficient for Representing Finite-Sized Farms of Tidal Energy Converters (Energies)
 
 
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