Unidrive M / Unidrive HS Modular Installation Guide
11
Issue Number: 5
Figure 2-3 Frame 11 twin half controlled SCR/thyristor
2.2 Size 9A drives
The size 9A is a complete drive with internal rectifier and AC input line chokes (AC in to AC out). It can provide a maximum continuous output current
of 266 A (400 V drive). DC connections are available for use in regen and bus-parallel applications. The size 9A is available with or without a braking
IGBT installed.
Figure 2-4 Size 9A inverter schematic
+DC
-DC
+DC
-DC
L1
L2
L3
L1
L2
L3
L1
L2
L3
BR
U
V
W
+DC
-DC
Optional
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