ABB DCS 600 MultiDrive Series Manual page 42

Chapter 4 – Twelve–Pulse Serial / Sequential Configurations with DCS 600
Solution 2:
AC + DC voltage
transducers
[continued]
4 - 12
II F2
Special connection with two motors in series:
This high voltage measurement circuit is performed by galvanic
isolation devices (see
The correct EMF feedback is selected by the parameter ADJ UDC
= [1].
(47.10)
1
2
U 1 V 1 W 1


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Ã
T
5
8
D 1 C 1
9
D 1 C 1
3
0
= disconnect internal
connections
= new wiring
Note: Use for the parameters armature overvoltage protection (28.22)
and rated motor voltage (99.02) the values of one motor!
Example: Supply voltage = 600 V
Rated motor voltage = 650 V (each)
).
Figure 4/5
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S
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T

6

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8
y
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9
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0
D 1
4
1 Recommended connection (see chapt. 2
"Line/power transformers used in ...")
2 AC voltage transducer (see separate manual)
3 D C voltage transducer (see separate manual)
4 High-speed DC breaker (required for 4-Q drives)
5 Modification (see separate manual)
DCS 600 Manual for 12 – Pulse Operation
1
2
@
W
U 1 V 1 W 1
6
G
$! T
Ã
r
5 †
y
D 1 C 1
ˆ
ƒ

!
C 1
Figure 4/5
= [650 V]
(99.02)
= [125 %]
(28.22)
⇒ 2 x 750 V