Rockwell Automation 7000A PowerFlex Medium Voltage AC Drive (A Frame) - ForGe Control - Manual (Page 19)

Rockwell Automation Publication 7000A-UM200C-EN-P - June 2014 19
Overview of Drive Chapter 1
6600V
Figure 12 - Direct-to-Drive (transformerless AFE rectifier)
Figure 13 - AFE Rectifier with Separate Isolation Transformer
Figure 14 - AFE Rectifier with Integral Isolation Transformer
SGCTs
LINE CONVERTER
L+ M+
SGCTs
MACHINE CONVERTER
U (T1)
V (T2)
W (T3)
L- M-
LR
L1
L2
L3
COMMON MODE CHOKE
OPTIONAL INPUT STARTER
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
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
INTEGRAL
ISTX