Abstract
In recent years, electric vehicles have become more and more popular. Lithium batteries are widely used in electric vehicles (EVs) because Lithium batteries have excellent performance. However, after several charge and discharge of a lithium battery, different monomers in series will have different performance. This paper proposes a equalization circuit based on the bidirectional DC-AC converter. The circuit topology of this paper has the advantages of high speed and high equalization efficiency, and it can transfer energy between non-adjacent batteries.
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