Outback Power Systems GS3548E Installation Manual - Manual (Page 38)

Installation
36 900-0144-01-01 Rev A
Three-Phase Stacking
In three-phase stacking, three or more inverters are stacked to create three 230 Vac outputs (or
equivalent voltage) in a wye configuration as shown below.
Figure 32 Example of Three-Phase Stacking (Three Inverters)
Figure 33 Example of Three-Phase Stacking (Nine Inverters)
21 kVA
230/400 Vac 7 kVA 230 Vac
7 kVA
230 Vac
7 kVA 230 Vac
7 kVA 230 Vac
7 kVA
230 Vac
7 kVA
230 Vac
21 kVA
230 Vac
7 kVA 230 Vac (x3)
21 kVA
230 7 kVA 230 Vac (x3)
7 kVA 230 Vac (x3)
21 kVA
230
63 kVA
230/400
Vac