Rockwell Automation 20Y PowerFlex Active Front End - Manual (Page 156)

156 Rockwell Automation Publication 20Y-UM001E-EN-P - July 2014
Appendix C Application Notes
Figure 52 - Connecting Parallel Frame 10 AFEs in IP20 2500 MCC Style Enclosures
DC Bus
Output
L1
3 Phase
AC Input
L2
L3
DC+
DC-
PowerFlex
700AFE System
Precharge
Circuit
R6.1
R6.2
+
-
AC Line Switchgear LCL Filter (L1) AFE
Power Structure (U1)
DC
Fuses
U2
V2
W2
C1
C2
C3
C4
C5
C6
U1
U1
V1
W1
U
DC+
DC-
V F2.1
F2.2
W
PE
PE
Input
Contactor
K1 Fuses
F1.1-F1.3
Input
Breaker
Q0
Precharge
Contactor
K6
PowerFlex
700AFE System
Precharge
Circuit
R6.1
R6.2
+
-
AC Line Switchgear LCL Filter (L1) AFE
Power Structure (U1)
DC
Fuses
U2
V2
W2
C1
C2
C3
C4
C5
C6
U1
U1
V1
W1
U
DC+
DC-
V F2.1
F2.2
W
PE
PE
Input
Contactor
K1 Fuses
F1.1-F1.3
Input
Breaker
Q0
Precharge
Contactor
K6
Precharge
Fuses
F5
Precharge
Fuses
F5