Energy Equalization Circuit with Multiple Primary Windings for Li-Ion Battery System

San Xing Chen; Ming Yu  Gao; Guo Jin  Ma; Zhi Wei He

doi:10.4028/www.scientific.net/AMM.380-384.3374

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 380-384Energy Equalization Circuit with Multiple Primary...

Energy Equalization Circuit with Multiple Primary Windings for Li-Ion Battery System

Abstract:

In this paper, a cell equalization circuit based on the Flyback topology is proposed for the Lithium-ion battery pack. Multiple transformers are employed in this circuit, equal to the number of cells in the pack. All the primary windings are coupled in series to provide the equalizing energy form the whole battery pack to the specific under charged cells. The structure and principle of the circuit is discussed, finally a prototype of four cells is presented to show the outstanding equalization efficiency of the proposed circuit.

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Periodical:

Applied Mechanics and Materials (Volumes 380-384)

Pages:

3374-3377

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.380-384.3374

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Online since:

August 2013

Authors:

San Xing Chen, Ming Yu Gao, Guo Jin Ma, Zhi Wei He

Keywords:

Energy Equalization, Lithium-Ion Battery

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References

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