In Schedule mode, a trapezoidal-shaped discharge schedule is specified through Tup (up ramp dura- tion), TFlat (flat duration), and Tdn (down ramp duration) properties, as shown in Figure 5. The schedule start time is set by TimeDischargeTrigger and the rate of discharge for the flat part is determined by %RatekW .

In this mode, whenever the simulation time advances and it is within the trapezoidal-shaped dis- charged schedule, a new request is sent by the controller to each storage element in the fleet.

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Figure 3: Operation in Follow Mode

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Figure 4: Operation in Support Mode