期刊
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS
卷 36, 期 1, 页码 201-211出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/7.826322
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To maximize the capacity and reliability of a series connected battery pack, a new selective equalizer developed from the earlier ramp equalizer [6, 11-14] is proposed. A set of bipolar junction transistors (BJTs) controlled by a microcontroller is used to route equalization current to the lowest voltage batteries. Since only the lowest voltage batteries are connected to the equalizer the need for uniform transformer leakage inductance is avoided, and a lower power level can be used since no excess current flows to the other batteries. An equalization experiment has shown that a 37W selective equalizer had a slightly better effect on a 24-battery pack than a 63W ramp equalizer.
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