Operating the Drive
A Multi-Motor System
Boosted Common
DC Link Supply
U
DC+
890 Drive
4-Q Active Front End
V
720V
(4-Q Power Supply)
DC -
W
DC Link Fuses
External Pre-Charge
Control
DC-
DC+
DC-
DC+
890
890
Drive
Drive
U
U
V
W
V
W
AC Motor
AC Motor
Motor Acting as Brake
Motor Acting as Load
(Regenerating)
(Motoring)
6-33
Page
890SD (Standalone) Drive: Frame G, H & J