Rockwell Automation 20Y PowerFlex Active Front End - Manual (Page 161)

Rockwell Automation Publication 20Y-UM001E-EN-P - July 2014 161
Application Notes Appendix C
Figure 55 - Connecting Parallel Frame 13 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
V1
W1
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
V1
W1
Q1 Q0
Precharge
Fuses
Precharge
Contactor
Motor Protection
Relay
Q5 K6 F6
DC+
DC-
F2.1
F2.2
F2.3
F2.4
F2.5
F2.6
DC+
DC-
W
PE
PE
DC+
DC-
V
PE
DC+
DC-
U
PE
F2.1
F2.2
F2.3
F2.4
F2.5
F2.6
DC+
DC-
W
PE
PE
DC+
DC-
V
PE
DC+
DC-
U
PE