A kind of active balance control method of lithium-ion battery pack
A technology of a lithium-ion battery pack and a control method, which is applied in the direction of charge equalization circuits, electric vehicles, battery circuit devices, etc., and can solve problems such as unbalanced, reduced service life of the battery pack, and battery reach, etc., so as to solve the problem of equalization time overlap Effect
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[0045] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the examples. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0046] The invention provides a three-threshold and interrupt equalization control strategy for most active equalization circuits, wherein the three-threshold equalization not only includes the action threshold in the traditional control strategy, but also includes the pre-action threshold and the end threshold. By predicting the state of the single battery between the pre-action threshold and the action threshold in the next period of time, adjust its balance threshold appropriately. In the case that the three-threshold balance control strategy cannot take care of it, the interrup...
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