ABB PVS800-IS, Hardware Manual, Page: 17 / 68

Main circuit diagram
The diagram below shows the main circuit of the PVS800-IS inverter station and an example
MV substation with medium voltage switchgear and transformer. It also shows the alternative
auxiliary power supplies for the inverter station.
1
2
3
5
6
4
C
B A
7
+H1 +H2 +H3
=MV SUBSTATION
=MV =LV =LV
MV grid
=TR
+T1
=PVS800-IS
+EAB
DC input 1
DC input 2
Aux.
power box
Aux.
power box
+EAB
+EAB
Auxiliary
power
Customer’s
TN-S grid
Option
Auxiliary
power from
LV busbar
+PVS1
+PVS1
+PVS1
+PVS2
+PVS2
+PVS2
MV switchgear compartment of MV substation A
MV transformer compartment of MV substation B
PVS800-IS inverter station C
DC input 1
Inverters 2
MV transformer 3
MV switchgear 4
Power grid (AC) connection (and to parallel inverter stations if there are any) 5
External auxiliary power supply (standard) 6
Internal auxiliary power supply / transformer (G344) 7
Inverter
See the inverter manuals for information on the inverters. See Related documents (page 14) .
Hardware description 17