A kind of balance control method of lithium-ion battery pack
A lithium-ion battery pack and lithium-ion battery technology, applied in the field of control, can solve problems restricting the application of lithium-ion battery packs, etc.
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[0046] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. While the invention will be described in conjunction with the preferred embodiments, it will be understood that it is not intended to limit the invention to the described embodiments. On the contrary, the invention is to cover alternatives, modifications and equivalents, which may be included within the scope of the invention as defined by the appended claims.
[0047] Battery pack balancing control scheme:
[0048] Step 1, data processing and monomer SOC calculation. The present invention combines the Ah method to calculate the method for remaining capacity, defines the calculation expression of lithium-ion battery monomer SOC as follows:
[0049]
[0050] In the formula, SOC(t) is the real-time SOC value of the single battery, and SOC(t 0 ) is the initial SOC value, h is the charge and discharge coefficient, and I(t) is the battery charge and disc...
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