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Operating the Drive
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames E & F
A Multi-Motor System
890 Drive
(4-Q Power Supply)
DC+
DC-
U
V
W
External Pre-Charge
Control
AC Motor
U
V
W
4-Q Active Front End
720V
Boosted Common
DC Link Supply
Motor Acting as Load
(Motoring)
Motor Acting as Brake
(Regenerating)
DC-
DC+
DC Link Fuses
890
Drive
AC Motor
U
V
W
DC-
DC+
890
Drive