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© 2017 KOSTAL Solar Electric GmbH
Technical data
9.2 Block diagram
PE
PE
L1
L2
L3
EMV
filter
MPPT 01
+
–
+
–
0
1
Controller
Controller
Controller
+
–
+
–
+
–
+
–
EMV
filter
EMV
filter
Controller
+
-
Ω
DC1
DC3
DC5
DC2
DC4
DC6
RCMU
RCCB Typ B
EMV
filter
Fig. 66: Block diagram
1
DC switch
2
Optional DC overvoltage protection
3
PV strings
4
Voltage measuring point
5
Current measuring point
6
Electronic DC disconnection device
7
Insulation monitoring
8
Grid monitoring and shut-down control panel
9
Grid monitoring and shut-down
10
Central grid and system protection interface (circuit
breaker)
11
3-phase AC output
12
Optional AC overvoltage protection
13
Display and communication
14
Inverter bridge
15
Intermediate circuit
16
System control with MPP trackers
2
3
4
6
7
8
9
10
11
1
5