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Design of interface circuits with electrical battery models

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2 Author(s)
Yoon-Ho Kim ; Dept. of Electr. Eng., Chungang Univ., Seoul, South Korea ; Hoi-Doo Ha

In designing interface circuits to a battery, often the battery is assumed to be a simple voltage source. However, the battery itself has internal parameters. This means that the internal parameters of the battery models need to be considered for the interface design. Several electrical battery models are presented. Then, using these electrical battery models, the analysis and the design of the interface circuit are described. Analysis and experimental results show that an electrical battery model which reflects battery characteristics has to be used for the optimal design of the interface circuit. Finally, the analysis results indicate that the required size of the condenser filter can be smaller with battery power supplies than with other power supplies, such as bridge-type AC source DC power supplies

Published in:

Industrial Electronics, IEEE Transactions on  (Volume:44 ,  Issue: 1 )