전력전자학회:학술대회논문집 (Proceedings of the KIPE Conference)

전력전자학회 (The Korean Institute of Power Electronics)
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A CHARGER/DISCHARGER FOR MODELING OF SERIAL/PARALLEL CONNECTED NI-MH BATTERY

  • Heo, Min-Ho (Dept. of Electrical Engineering, Chonnam National University) ;
  • Ahn, Jae-Young (Dept. of Electrical Engineering, Chonnam National University) ;
  • Kim, Kwang-Heon (Dept. of Electrical Engineering, Chonnam National University)
  • 발행 : 1998.10.01
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초록

Equalizing the state of charge of cell that affects the charge/discharge quality and efficiency of the battery through the charge/discharge characteristic experiments of battery source, we develope the high efficiency charge/discharge system which would be used in serial HEV with the constant engine-generator output. For this, establishes the electrical model of Ni-MH battery appropriate to the high efficiency charge/discharge conditions. There is no model of Ni-MH cell, so we used Ni-Cd model and obtain the Ni-MH model through the experiment. A reason that each cell has the same charge/discharge property for applying the cell model to serial/parallel connected battery source extensively is needed. Therefore, in this paper, propose the Ni-MH charger/discharger has the equalization charging function and selectable cut-off function.

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