5
Product Overview
2.3 Supported Power Grid
There are different ways of wiring for different grid systems. TT / TN-S / TN-C-S are shown
as below:
L1
L2
L3
L1 L2 L3 PE
Inverter
N
N
400 V
400 V
400 V
1.L-N: 230 V; L-L: 400 V 2.L-N: 220 V; L-L: 380 V
Figure 2-2 Supported power grid-TT
L1
L2
L3
N
PE
L1 L2 L3 PEN
Inverter
1.L-N: 230 V; L-L: 400 V 2.L-N: 220 V; L-L: 380 V
400 V
400 V
400 V
Figure 2-3 Supported power grid-TN-S
1.L-N: 230 V; L-L: 400 V 2.L-N: 220 V; L-L: 380 V
L1
L2
L3
L1 L2 L3
PE
N
N
PE
Inverter
400 V
400 V
400 V
PEN
Figure 2-4 Supported power grid-TN-C-S