The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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A Study on Battery Simulator Including Aging and Dynamic Impedance Model

노화 및 동특성 임피던스 모델을 포함한 배터리 시뮬레이터에 관한 연구

  • Lee, Jong-Hak (Electric Powertrain Core Technology Team, Hyundai Mobis) ;
  • Kim, Soo-Bin (Dept. of Electrical Engineering, Kwangwoon University) ;
  • Oh, Sang-Keun (System Business Division, PLASPO) ;
  • Song, Seung-Ho (Dept. of Electrical Engineering, Kwangwoon University)
  • Received : 2019.11.18
  • Accepted : 2020.01.23
  • Published : 2020.06.20
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Abstract

This paper presents the implementation and control methods of a battery simulator. The proposed battery simulator can emulate the dynamic characteristics of any actual battery using the second RC ladder model of the equivalent circuit. Moreover, it can emulate the variation of impedance, which is the result of the change of battery characteristics due to the aging effect. The parameters of the battery simulator can be derived from the sequence of tests of the actual battery or only from the data supplied by the battery manufacturer. Proposed methods for the battery simulator are tested by extensive experiments. Test results show that the proposed battery simulator can emulate not only the dynamic characteristics but also the aging effects of the actual battery in real time.

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References

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