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°
1
2
3
U
V
W
1
2
3
U
V
W
1
2
3
U
V
W
1
2
3
U
V
W
1
2
3
U
V
W
1
2
3
U
V
W
PE
1
2
3
2 L1
2 L2
2 L3
1
2
3
1 L1
1 L2
1 L3
1
2
3
2 L1
2 L2
2 L3
1
2
3
1 L1
1 L3
1
2
3
2 L1
2 L2
2 L3
1
2
3
1 L1
1 L2
1 L3
PE
1
2
3
4
5
6
7
Summary of Contents for ACS5000
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