SMA TCS 500-SC - Manual (Page 19)

SMA Solar Technology AG 7 Electrical Connection
Installation Manual TCS-IT-IEN103610 19
7.2.2 Inserting the Cables
Figure 7: Position of cable entries
• Insert the cables into the Transformer Compact
Station (see the cable entry manufacturer's
documentation on inserting the cables):
– The cables that connect the medium-voltage
switchgear to the point of common connection
– The cables that connect the low-voltage
switchgear to the inverters
– The cables for the inverters' internal power
supply
– The cables for the transformer protection unit
– If internal power is supplied by an external source: the cable for the internal power supply
of the Transformer Compact Station
Position Description
A Cable entries for cables for the following devices or components:
• Low-voltage switchgear
• Internal power supply for the inverter
• Protective conductor
• Transformer protection
• If internal power is supplied by an external source: internal power supply for
the Transformer Compact Station
B Cable entries for the medium-voltage switchgear
A B
L3
L2
L1