Dc Busbars; Pe Busbar; Pg Busbar - ABB ACS6000 User Manual

3.8.2

DC busbars

The DC busbars connect the ARU or the LSU with INU(s) and CBU. A multi-
motor configuration, can have up to four DC busbar arrangements. The
busbars are mounted in the upper part of the drive and are marked with
DC (+), DC (-) and DC (neutral point).
3.8.3

PE busbar

To maintain safety and to ensure smooth functioning of the equipment, it
is important to ground the drive properly. For this reason, the ground
cable of the drive is connected to the grounding system of the
installation site.
The drive is equipped with a continuous PE ground busbar that stretches
across the bottom part of the entire cabinet.
3.8.4

PG busbar

To ensure proper operation, cable shields are connected to the PG ground
busbar. The PE and PG busbar connect inside the capacitor bank unit,
which has the grounding switch on the front door. The connection is made
in the factory.
3BHS212794 E01 REV M
03 POWER ELECTRONICS AND CABINET FEATURES
ACS6000 USER MANUAL 85/278