Implementation of Four-Phase Interleaved Balance Charger for Series-Connected Batteries with Power Factor Correction

Y. L. Juan, Y. T. Lee, Y. L. Lee, L. L. Chen, M. L. Huang

研究成果: Conference article


A four-phase interleaved balance charger for series-connected batteries with power factor correction is proposed in this dissertation. In the two phases of two buckboost converters, the rectified ac power is firstly converted to a dc link capacitor. In the other two phases of two flyback converters, the rectified ac power is directly converted to charge the corresponding batteries. Additionally, the energy on the leakage inductance of flyback converter is bypassed to the dc link capacitor. Then, a dual-output balance charging circuit is connected to the dc link to deliver the dc link power to charge two batteries in the series-connected batteries module. The constant-current/constant-voltage charging strategy is adopted. Finally, a prototype of the proposed charger with rated power 500 W is constructed. From the experimental results, the performance and validity of the proposed topology are verified. Compared to the conventional topology with passive RCD snubber, the efficiency of the proposed topology is improved about 3% and the voltage spike on the active switch is also reduced. The efficiency of the proposed charger is at least 83.6 % within the CC/CV charging progress.

期刊IOP Conference Series: Earth and Environmental Science
出版狀態Published - 2017 十一月 28
事件2017 3rd International Conference on Energy, Environment and Materials Science, EEMS 2017 - Singapore, Singapore
持續時間: 2017 七月 282017 七月 30


All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)