SMA PPM-10 - Page 38

6 Electrical Connection
SMA Solar Technology AG
Installation ManualPPM-10-IA-en-1638
Block circuit diagram for 3-conductor utility grid with 3 line conductors
L1
L2
L3
X700
1 2
k1 l1
3 4
k2 l2
5 6
k3 l3
7 8
k4 l4
9 10
k5 l5
11 12
k6 l6
13
lx
L1
L2
L3
L1
L2
L3
* * * * * *
Current measurement 1 Current measurement 2
Hybrid-grid connection
Load 1 connectionLoad 2 connection
* Remove jumper on the wired terminals of the connecting terminal plate X700.
Figure 21: Current measurement within the 3-conductor utility grid (example)
L1
L2
L3
1 2
L1 L2
3 4
L3
N
5
PE
X200
*
L1
L2
L3
1 2
L1 L2
3 4
L3
N
5
PE
X200
*
Voltage measurement 1Voltage measurement 1
* In the three-conductor utility grid, use for the selected connecting terminal plate X200 the red jumper between N and PE.
Figure 22: Voltage measurement within the 3-conductor utility grid (example): with and without voltage converter
Also see:
> Section6.4.3 "Connecting the Current Transformer", page39
> Section6.4.4 "Connecting the Voltage Measurement", page43