ABB PVS800-57B, Maintenance Manual, Page: 41 / 78

Electrical installation 41
Connecting the power cables

Connection diagram
1) Solar array junction box.
2) If you use shielded cable, 360-degree grounding is recommended at the cabinet entry. Ground the
other end of the input cable shield or PE conductor at the transformer.
3), 4) If you use shielded cable (which is recommended) and the conductivity of the shield is < 50% of the
conductivity of the phase conductor, use a separate PE cable (3) or a cable with a grounding conductor
(4).
=
~
L1
L2
L3
DC+
DC-
Inverter
DC+
DC-
L1
L2
L3
1)
2)
1)
3)
4)
PE PE
PE
Transformer