Eaton Corporation Page 49 Ver 1.1
7.2 AC Wiring Connections
Configuration of Utility Grid
Eaton grid-connected PV Inverter can be installed with the following type of
utility grid systems by 2 wire or 3 wire AC cables, and with a ground cables as
illustrated in the table below.
Acceptable Grid System for Eaton grid-tie connection PV Inverter:
For 208V and 240V 3PH-delta grid system, a 3-PH delta configuration can be
used by the 2 AC wires connected to the Point of Common Coupling (PCC)
L1 and L2 location and a ground cables connected to the L2 location as
figure in above table indicated.
For 240V split grid system, a split-phase configuration can be used by 3 AC
wires connected to the PCC's L1, L2 and N location and a ground cables
connected to the N location as illustrated in above table.
For 277V 3PH
ASE
-Y grid system, a wye type configuration can be used by 2
AC wires connected to L1 and N locations with a ground cables connected to
the N location as illustrated in above table.
For 208Y /120V 3PH-Y grid system, a wye type configuration can be used by
3 AC wires connected to L1、L2、and N with a ground cables connected to the
N location as illustrated in above table.
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