Fastening The Mvs; Constructing Earthing Electrode And Earthing - ABB PVS-120 Hardware Manual

Fastening the MVS

WARNING!
Do not fasten the MVS by electric welding, because the welding circuit can damage
electronic circuits and integrity of the station. ABB does not assume any liability
for damages caused by electric welding.
To fasten the MVS to the foundation, bolt the cabinet through the holes on the base of the
inverter or use the supplied attachment brackets (see figure below). Use bolts and washers
in each connection point.
Attachment bracket
Follow the local regulations and applicable standard to calculate the mechanical connections
and structural properties. Always consider the site conditions and terrain characteristics.
For more information, see drawing 3AES-PVS-100/120-MVS-30-DW02.

Constructing earthing electrode and earthing

Construct an earthing electrode for the MVS according to the local regulations. For more
information, see drawing 3AES-PVS-100/120-MVS-02-DW02.
Fastening points
Mechanical installation 35
Placement of bracket