Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - ForGe Control - Manual (Page 20)

20 Rockwell Automation Publication 7000-UM202B-EN-P - June 2014
Chapter 2 PowerFlex 7000 Overview
6600V
Figure 12 - 6600V – Direct-to-Drive (transformerless AFE rectifier)
Figure 13 - 6600V – AFE Rectifier with Separate Isolation Transformer
Figure 14 - 6600V - 18 Pulse Rectifier with Separate Isolation Transformer
SGCTs
LINE CONVERTER
L+ M+
SGCTs
MACHINE CONVERTER
U (T1)
V (T2)
W (T3)
L- M-
LR
OMMON MODE CHOKE C
SGCTs
LINE CONVERTER DC LINK
L+ M+
SGCTs
MACHINE CONVERTER
U (T1)
V (T2)
W (T3)
L- M-
2U (X1)
2V (X2)
2W (X3)
1U
1V
1W
ISTX ISTX
REMOTE
LINE CONVERTER
L- M-
DC LINK
L+ M+ MACHINE CONVERTER
U (T1)
V (T2)
W (T3)
4U (Z1)
4V (Z2)
4W (Z3)
ISTX
SCRs
3U (Y1)
3V (Y2)
3W (Y3)
2U (X1)
2V (X2)
2W (X3)
SGCTs
LINE CONVERTER
L- M-
DC LINK
L+ M+ MACHINE CONVERTER
U (T1)
V (T2)
W (T3)
4U (Z1)
4V (Z2)
4W (Z3)
ISTX
SCRs
3U (Y1)
3V (Y2)
3W (Y3)
2U (X1)
2V (X2)
2W (X3)
SGCTs
1U
1V
1W
REMOTE