
PV Grid-tied Residential Inverter and Integrated AC/DC Disconnect
Installation and Operation Manual
19
Grounding Schematic
Figure 4-3 is a schematic representation of the PV Powered single-point
grounding in the inverter. The front lid is grounded through the metal pem
insert which accepts each screw securing the lid.
DC Disconnect BoardAC Disconnect Board
Line
Filter
+
DC
Power Supply
DSP
L1 L2 GND
PV NEG PV POS
+
+
+
+
+
+
-
-
-
-
-
-
GFI
Detect
PV System
Ground
PVM
1010
AC/DC
Disconnect
+ + +
GND - - -
Residential Inverter Functional Architecture
Gnd L1 L2
Control PCB
Power PCB
Figure 4-3 System Block Diagram of Single-point System Ground
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