Rockwell Automation 20Y PowerFlex Active Front End - Manual (Page 160)

160 Rockwell Automation Publication 20Y-UM001E-EN-P - July 2014
Appendix C Application Notes
Figure 54 - Connecting Parallel Frame 10 AFEs in IP21 Rittal Enclosure
DC Bus
Output
PowerFlex
700AFE 1
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
Q1 Q0
L1
3 Phase
AC Input
L2
L3
Precharge
Fuses
Precharge
Contactor
Motor Protection
Relay
Q5 K6 F6
PowerFlex
700AFE 2
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
Q1 Q0
Precharge
Fuses
Precharge
Contactor
Motor Protection
Relay
Q5 K6 F6
DC+
DC-