Active balancing system and method for power battery pack of electric bus
A power battery pack and active equalization technology, which is applied in the direction of electric vehicles, battery circuit devices, collectors, etc., can solve the problems of reducing the energy utilization rate of the entire battery pack, complex structure of the battery pack system, and restrictions on wide application, so as to prevent switching The effect of arcing phenomenon, reducing failure and maintenance costs, and improving vehicle safety
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[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0028] Such as figure 1 As shown, an active balancing system for power battery packs of electric buses includes a capacitor battery management monitoring module 1, a motor control module 2, a balancing control module 3 and a capacitor battery circuit module. The capacitor battery circuit module includes a main circuit switch 4, a first branch and a plurality of second branches connected in parallel, the first branch is connected in parallel with the plurality of second branches and then connected in series with the main circuit switch 3, and the first branch is connected by a super The capacitor group 6 and the branch switch 5 are connected in series, and each second branch is composed of the power battery pack 7 and the branch switch 5 in series. The supercapacitor pack 6 is composed of a plurality of supercapacitors in series, and the power ...
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