Block diagram

1

DC inputs for PV modules

2

DC fuses

3

Overvoltage protection (DC side)

4

Electronic DC disconnection device

5

EMC filter (DC side)

6

DC regulator

7

Intermediate circuit

8

Inverter bridge circuit

9

Grid monitoring and shutdown

10

EMC filter (AC side)

11

AC connection

12

Connection panels for communication interfaces

13

Voltage and current measurement

14

Control system and communication

15

Status LED

16

DC switch