Connecting The Dc Busbars And The Pe Busbar - ABB ACS800-07-0610-3 Hardware Manual

• Remove any intermediate or partitioning plates covering the rear posts of the
joining cubicle.
Busbar joining
cubicle
• Fasten the rear post of the joining section with seven screws (below the busbar
joining part) to the rear post of the next cubicle.
• Replace all partitioning plates in the upper part of it after connecting the DC
busbars (see section

Connecting the DC busbars and the PE busbar

Horizontal main DC busbars and the PE busbar are connected from the front of the
joining cubicle. All necessary materials are located in the joining cubicle.
• Remove the front metal partitioning plate located in the busbar joining cubicle.
• Unscrew the bolts of the joint pieces.
• Connect the busbars with the joint pieces (see figure below). For aluminium
busbars, suitable anti-oxidant joint compound must be used to avoid corrosion
and to ensure good electrical connection. The oxide layer must be scrubbed off
from the joints before applying the compound.
• Refit all shrouds for safety of personnel.
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Partitioning
plate
Intermediate plate
Connecting the DC busbars and the PE
49
Back posts accessible
busbar).
Mechanical installation