Grounding; Grounding The Transformer And The Drive - ABB ACS5000 User Manual
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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.
+20°
+20°
W
V
U
3
2
1
3
2
1
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
3BHS799208 E01 REV E
-
-20°
20°
0°
0°
W
V
U
W
V
U
3
2
1
3
2
1
3
2
1
3
2
1
ACS5000 WATER-COOLED USER MANUAL
+20°
+20°
-20°
-
20°
0°
0°
U
W
V
W
V
U
3
2
1
3
2
1
3
2
1
3
2
1
(5) Cable screen
(6) Cable shield
(7) Equipotential bonding conductor
06 ELECTRICAL INSTALLATION
W
V
U
PE
3
2
1
3
2
1
PE
1
3
4
5
6
7
2
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