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Microgrid for High-Surety Power: Architectures, Controls, Protection, and Demonstration 357
Grid
Load
Li-ion battery
Gas engine
PV panel
Fuel cell
H 2
O 2
(a)
Grid
Load
Load inverter
Gas engine
Li-ion
battery
PV panel
Fuel cell
H 2
O 2
(b)
Grid Load
Gas engine
Redundant inverter Li-ion
battery
PV panel
Fuel cell
H 2
O 2
(c)
FIGURE 14.2 Star architectures for Super UPS. (a) Star architecture I. (b) Star architecture II. (c) Star
architecture III.