Kollmorgen - December 2011 305
MMC Smart Drive Hardware Manual - 460V MMC SMART DRIVE DC BUS SHARING
Figure A-2: Two or more drives with AC input power to one drive
DC Bus to
Next Drive
if Applicable
Bus +
Bus -
Bus + Bus -
DRIVE 1
Bus -
Bus +
DRIVE 2
Fuses*
Circuit Protection Devices
(Supply Circuit Disconnect,
SCPD, Line Filter etc..)
Shunt
Resistor
(Main)
(Auxiliary)
Incoming
AC Power
(Mains)
Line Reactor
*Fuses should be sized to the Auxiliary Drive’s DC
bus rating, and must be able to interrupt 700V DC.
(size 3 only)
Mains On
Mains On
Shunt On
Shunt On
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