This paper proposes dynamic battery modeling for
LiFePO4 battery simulator. LiFePO4 battery of Li-ion type
battery has best characteristic in other type of batteries. So this
paper describes LiFePO4 battery model for battery simulator.
LiFePO4 battery’s voltage waveform is non-linear and changed
by transient load. So the shepherd model is applied to describe
this non-linear waveform and thevenin battery model is applied
to present characteristics of behavior corresponding to the
changing of transient load. Also, in order to apply battery model
to battery simulator, proposed battery model is converted to
discrete time model. Parameters of proposed battery model are
estimated in experimental. The proposed battery model is
compared getting the voltage waveforms of the battery using
experiment with simulation’s waveforms is verified.