Rockwell Automation Publication 2198-UM001M-EN-P - November 2022 205
Appendix C Size Multi-axis Shared-bus Configurations
Shared AC/DC Hybrid Configurations
In shared AC/DC hybrid configurations, three-phase AC input power is
supplied to two or more (leader) drives that act as converters. This parallel
converter configuration increases the DC power that is supplied to the inverter
(follower) drives:
• The leftmost drives in a hybrid configuration act as parallel converter
drives and must be of the same power rating (catalog number).
• Shared DC (inverter) drives mounted to the right of the shared AC/DC
(converter) drives must have the same or lower power rating (catalog
number) than the shared AC/DC drives.
• The total motoring load must not exceed the rated load for the drives
sourcing the DC power. Each follower drive must be sized for the motor
load that is connected to it.
• Total available converter power is derated by 30%.
• The maximum number of drives configured in the project file as
Shared AC/DC is restricted according to Table 84 on page 204
.
• The maximum number of drives configured in the project file as
Shared DC is restricted according to Table 83 on page 202
.
• Shared AC/DC hybrid configurations support Bulletin 2198 capacitor
modules.
Figure 109 - Typical Shared AC/DC Hybrid Configuration
(1) For Bulletin 2198 capacitor module maximum values, refer to the Kinetix 5500 Capacitor Module Installation Instructions,
publication 2198-IN004.
For an example shared AC/DC hybrid installation with additional details, see
Figure 5 on page 19
.
Bonded Cabinet
Ground
Three-phase
Input Power
24V Input
Control Power
2198-H040-Erse
Common-bus (converter)
Leader Drives
2198-H008-ERSx
Common-bus (inverter)
Follower Drives
2198-CAPMOD-1300 Capacitor Module
(1)
(optional component)
DC Bus Connections
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