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108 Unidrive M Regen Design Guide
Issue Number: 4
Figure 6-3 Unidrive M size 5 power connections
* It is possible to connect the DC bus of a number of drives using a busbar kit (part number: 3470-0068), where DC bus fusing is not required.
See section 6.1.2 Ground connections on page 115.
BR
+DC
-DC
DC connections*
(High current DC to motoring drive/s)
BRDC -
DC +
L2L1 L3 U V WPE
AC supply connections
L1, L2, L3
(Refer to Chapter 4
)System design
Vac supply
BR
BRDC -
DC +
L2L1 L3 U V WPE
Motor connections
+DC
-DC
Motor
Optional ground
connection
Regen drive
Motoring drive
5
5
CAUTION
The internal EMC filter must be removed
from all drives in the regen system
(motoring and regen).
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