Aspects Of Fusing For Armature-Circuit And Field Supplies Of Dc Drives; Unit Configuration; Faults Within The Unit Electronics - ABB DCS 600 Manual
Dcs thyristor power converters
for dc drive systems
25 to 5150 a
6 to 4900 kw
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Also See for DCS 600:
- Operating instructions manual (80 pages) ,
- Manual (62 pages) ,
- Service manual (126 pages)
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Aspects of fusing for the armature-circuit and field supplies of DC drives
Unit configuration
AC supply: public mains / plant's mains
Cabinet
3
.
.
Fig. 2.6/1 Arrangement of the switch-off elements in the
armature-circuit converter
Faults within the unit electronics
•
RATED
•
RATED
•
3
AC
RATED
Defective system conditions leading to com-
mutation failure
•
RATED
2
M
.
.
.
2
For field supply
see Fig. 2.6/2
1
2
4
RATED
Faults caused by components
•
5a, 5b
•
6
Fusing of the armature-circuit supply
Semiconductor fuses
Fault
on the AC side
1
X
2
X
3
X
4
5a ⇒ 3
X
5b ⇒ 4
6
X
RATED
RATED
RATED
on the DC side
(X)
(X)
X
X
X
II F 2-17
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