Size 9D, 10D And 11D Inverters; Size 9T, 10T And 11T Drives - Emerson unidrive m Installation Manual

Safety information Introduction
2.4

Size 9D, 10D and 11D inverters

Size 9D, 10D and 11D are inverter stage only (DC in to AC out). If a rectifier is required, then an AC input line reactor must also be installed. DC
connections can be used for regen and bus-parallel applications. Size 9D, 10D and 11D are available with or without a braking IGBT installed.
Figure 2-7 Size 9D, 10D and 11D inverter schematic
+DC
+DC
-DC
-DC
NOTE
The above diagram shows size 11D which has double DC terminals, size 9D and 10D have single DC terminals.
2.5

Size 9T, 10T and 11T drives

Size 9T, 10T and 11T are complete drives with internal 12 pulse rectifier (AC in to AC out). External AC line chokes are required unless the required
reactance is incorporated into a 12 pulse transformer.
Figure 2-8 Size 9T, 10T and 11T inverter schematic
L1
L2
L3
L1
L2
L3
Unidrive M / Unidrive HS Modular Installation Guide
Issue Number: 5
System
Product information
configuration
BR
Optional
Mechanical Electrical
Installation Installation
Optional
+DC
BR
Technical data UL Information
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V
W
U
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