Installation Guide

Installation

36 900-0144-01-01 Rev B

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

21 kVA

230 Vac

7 kVA 230 Vac (x3)

21 kVA

230

7 kVA 230 Vac (x3)

21 kVA

230

63 kVA

230/400

Vac