Manual
1-12 Overview of Drive
7000-UM150I-EN-P – June 2013 7000 “B” Frame
Simplified Electrical Drawings
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
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
2400 Volt – 18 Pulse
LINE CONVERTER
L- M-
DC LINK
L+ M+
MACHINE CONVERTER
U (T1)
V (T2)
W (T3)
SCRs
2U (X1)
2V (X2)
2W (X3)
SGCTs
LINE CONVERTER
L- M-
DC LINK
L+ M+
MACHINE CONVERTER
U (T1)
V (T2)
W (T3)
SCRs
2U (X1)
2V (X2)
2W (X3)
SGCTs
2400 Volt – 6 Pulse
LINE CONVERTER
L- M-
DC LINK
L+ M+
MACHINE CONVERTER
U (T1)
V (T2)
W (T3)
SGCTs
2U (X1)
2V (X2)
2W (X3)
SGCTs
LINE CONVERTER
L- M-
DC LINK
L+ M+
MACHINE CONVERTER
U (T1)
V (T2)
W (T3)
SGCTs
2U (X1)
2V (X2)
2W (X3)
SGCTs
2400 Volt – Active Front End