ABB ACS5000 - Grounding Procedures and Connections

3BHS799208 E01 REV E ACS5000 WATER-COOLED USER MANUAL 93/186
06 ELECTRICAL INSTALLATION
6.4 Grounding
The cabinet is equipped with ground buses (marked PE, Protective Earth)
for grounding the armor and shields of the cables, and for the connection
of the ground cable.
Note: To identify the ground buses, see “Appendix C –
Mechanical drawings”.
6.4.1 Grounding the transformer and the drive
Fig. 6-1 shows the grounding connections of a drive and an input
transformer in the PCU compartments.
Figure 6-1 Grounding the transformer and the drive (in PCU)
(1) Input transformer
(2) Drive
(3) Grounding network of
installation site
(4) Ground cable
(5) Cable screen
(6) Cable shield
(7) Equipotential bonding conductor
1 L2
+20°
0°
-20° +20°
0°
-20°--+20°
0°
20° +20°
0°
20°
123
UVW
123
UVW
123
UVW
123
U
VW
123
UVW
123
U
V
WPE
123
2 L1
2 L2 2 L3
123
1 L1 1 L2 1 L3
123
2 L1 2 L2
2 L3
123
1 L1
1 L3
123
2 L1 2 L2 2 L3
123
1 L1 1 L2 1 L3
PE
1
2
3
4
5
6
7