In order to improve the equalization efficiency of the charge value of the battery pack and reduce the energy loss during the equalization process, this design proposes a lithium battery pack equalization control method that uses the charge difference as the equalization criterion to connect the lithium battery pack in series The active equalization control strategy with the difference between adjacent charge values as the equalization criterion, adopts the hierarchical equalization control mode, combined with the constructed two-way energy flow topology circuit with inductance as the energy storage element, to achieve the equalization of each part of the battery pack , And finally achieve the balance of the entire battery pack.
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