5 Planning installation
Installation and Operation Manual for Inverter RPI M50A_12s V1 EU EN 2017-03-09
34
5.7.3 Parallel-connected DC inputs
+
–
DC wiring
PV array
Distribution box
Fig. 5.11: Parallel-connected DC inputs
The module strings are combined at a distribution box and the
DC cable is then connected to DC1 and DC2. MPP tracker 1
regulates all module strings, MPP tracker 2 is not used.
This allows implementation of symmetric configurations only at
the DC inputs.
This DC cabling variant is mandatory by law for use with
grounded solar modules.
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