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Implement generic battery model   Electrical Sources, Electric
Drives/Extra Sources   The Battery block implements a generic
dynamic model parameterized to represent most popular types of
rechargeable batteries.  The equivalent circuit of the battery
is shown below:  Lead-Acid Model  Discharge model (i* > 0)
Charge Model (i* < 0)  Lithium-Ion Model  Discharge Model (i* >
0)  Charge Model (i* < 0)  Nickel-Cadmium and Nickel-Metal-
Hydride Model  Discharge Model (i* > 0)  Charge Model (i*< 0)
EBatt = Nonlinear voltage (V)  E0 = Constant voltage (V)  Exp(s)
= Exponential zone dynamics (V)  Sel(s) = Represents the battery
mode. Sel(s) = 0 during battery discharge, Sel(s) = 1 during
battery charging.  K = Polarization constant (Ah−1) or
Polarization resistance (Ohms)  i* = Low frequency current
dynamics (A)  i = Battery current (A)  it = Extracted capacity
(Ah)  Q = Maximum battery capacity (Ah)  A = Exponential voltage
(V)  B = Exponential capacity