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114 Unidrive M Regen Design Guide
Issue Number: 4
Figure 6-9 Unidrive M rectifier power connections
* See section 6.1.2 Ground connections on page 115.
UVW
+DC BR
AC supply connections
*
Regen drive
Vac supply
UVW
+DC BR
Motor connections
*
Motoring drive
L1 L2 L3
Supply
Rectifier
ground
+DC -DC
Internal
EMC filter
*
PE
+DC
PE
-DC
PE
*
Must be
removed
+DC -DC
Internal
EMC filter
*
PE
Used as softstart
only
Motor
Optional ground
connection
DC connections
(High current DC
to motoring drive/s)
9D
10D
9D
10D
10
CAUTION
The internal EMC filter must be removed
from all drives in the regen system
(motoring and regen).
Must be
removed
• The user must provide a means of preventing live parts from being touched. A cover around the electrical connections at the top of
the inverter and the bottom of the rectifier where the cables enter is required.
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