Bi-directional active battery cell balancer and method for bidirectional cell balancing

Bi-directional active battery cell balancer and method for bidirectional cell balancing

Systems and methods for balancing a pair of battery cells are described. A controller can determine a voltage difference based on a first voltage of a first battery cell and a second voltage of a second battery cell. The controller can determine a current difference between current of an inductor an...

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Hauptverfasser: CARPENTER JR., JOHN H, LIANG, ZHI-GANG, WEI, JIA, EMI, MASAYA
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Sprache:chi ; eng
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CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
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creator CARPENTER JR., JOHN H
LIANG, ZHI-GANG
WEI, JIA
EMI, MASAYA
description Systems and methods for balancing a pair of battery cells are described. A controller can determine a voltage difference based on a first voltage of a first battery cell and a second voltage of a second battery cell. The controller can determine a current difference between current of an inductor and a current limit of the inductor, where the inductor can be connected to a node between the first and second battery cells. The controller can identify at least one switching elements among a plurality of switching elements based on the voltage difference and the current difference. The controller can activate the identified switching elements to perform battery cell balancing between the first battery cell and the second battery cell.
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subjects CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
title Bi-directional active battery cell balancer and method for bidirectional cell balancing
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