Grounding The Transformer And A 36-Pulse Drive; Fig. 52. Grounding The Transformer And A 36-Pulse Drive (In Pcu) - ABB ACS5000 User Manual
Water-cooled (generation 2)
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6.4.2. Grounding the transformer and a 36-pulse drive
Fig. 52 shows the grounding connections of an ACS5000W drive with an 36-pulse line supply and
an input transformer.
Input transformer(s)
-20°
+20°
0°
W
V
U
W
V
U
3
2
1
3
2
1
2
3
3
ACS5000W
PCU11
3
3
2
3
2
1
3
2
1
Key:
(1)
PE busbar
(2)
Cable screen
(3)
Cable shield/armor
(4)
Equipotential bonding conductor (optional)
Fig. 52. Grounding the transformer and a 36-pulse drive (in PCU)
PRODUCT
ACS5000W gen. 2
W
V
U
W
V
3
2
1
3
2
2
3
3
PCU21
3
3
2
3
2
1
3
2
DOCUMENT KIND
User manual
+20°
0°
U
W
V
U
W
1
3
2
1
3
2
3
4
PCU31
3
2
1
3
2
1
3
(5)
Ground conductor
(6)
System ground (grounding network of
installation site)
DOCUMENT ID.
3BHS799208 E01
ELECTRICAL INSTALLATION
-20°
6
V
U
5
2
1
1
3
3
2
1
1
REV.
LANG.
PAGE
J
en
87/186
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