Parker ac890 Reference Manual

Operating the Drive
Page 7-36 890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
8
9
10
11
A
B
C
D
1
2
3
4
5
6
7
E
A Smart Brake System
890 Drive
(Smart Brake)
DC+
DC
-
U
V
W
AC Motor
U
V
W
4-Q Active Front End
Common DC Link
External Pre -
Charge
Control
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
3%
3-Phase
Supply
3%
Isolating
Transformer
DC Link
Contactor
DC Link
Healthy
3-Phase
Line Choke
3-Phase
Line Choke
DC Link
Healthy
IMPORTANT It is essential to use an isolation transformer on the supply to the Smart Brake drive, as shown above.

Parker ac890 Specifications

General

Brand	Parker
Model	ac890
Category	DC Drives
Language	English