Deif ASC 150 - Controller Functions; Grid-Forming or Grid-Following

2.4 Controller functions
2.4.1 Grid-forming or grid-following
Grid-forming
Grid-forming is also called island, V/f mode, or off-grid. In grid-forming, the battery can act as the only energy source. The battery
can provide the grid-forming power in island operation, and work together with non-grid-forming sources, like solar and wind.
Island operation with PV
ASC Storage
V
I
V
Grid-following
Grid-following is also called parallel, or P/Q mode. For grid-following, the battery is always connected to another grid-forming source,
like a mains or genset. You can use the battery to achieve optimal genset load, or maintain a minimum genset load.
Parallel operation with Mains
V
I
V
I
ASC Storage
OPERATOR'S MANUAL 4189341343A EN Page 10 of 36