Rockwell Automation Publication 2198-UM002G-EN-P - February 2019 25
Start Chapter 1
In this example, three-phase input power feeds two 2198-RPxxx regenerative
power supplies and one 2198-Pxxx DC-bus power supply.
Bulletin 1321 line reactors are used in the regenerative power supply input
power circuits to help do the following:
• Reduce circulating currents between different systems
• Prevent all power supplies on the same input power source from
nuisance thermal overload faults
Figure 7 - Input Power to Multiple Kinetix 5700 Drive Systems
IMPORTANT We recommend that Bulletin 1321 line reactors be used in any system with
multiple regenerative bus supplies sharing the same AC input-power source.
MOD
NET
2
1
1
I/O-A
6
510
1
I/O-B
6
510
UFB-A UFB-B
D+
D-
D+
D-
MF-A MF-B
MOD
NET
2
1
1
I/O
6
5
10
OK+
OK–
EN–
EN+
MOD
NET
2
1
1
I/O-A
6
510
1
I/O-B
6
510
UFB-A UFB-B
D+
D-
D+
D-
MF-A MF-B
MOD
NET
2
1
1
I/O
6
5
10
OK+
OK–
EN–
EN+
MOD
NET
2
1
1
4
I/O
MOD
NET
2
1
UFB-A UFB-B
D+
D-
D+
D-
MF-A MF-B
1
I/O-A
6
510
1
I/O-B
6
510
Kinetix 5700 Servo Drive Systems
(front view)
Line Disconnect
Device
324…506V AC
Three-phase
Input Power
Circuit
Protection
Magnetic (M1)
Contactors
Bonded Cabinet
Ground Bus
2198-DBRxx-F
AC Line Filter
(required for CE)
Dual-axis
Inverter
Regenerative Bus Supply
DC-bus
Power
Supply
Dual-axis
Inverter
Regenerative Bus Supply
Dual-axis
Inverter
Bulletin 1321
Line Reactors
Additional
Inverters
Additional
Inverters
Additional
Inverters
M1 Control
String
Magnetic Contactor (M1)
Control String
M1 Control
String
Circuit
Protection
2198-DBRxx-F
AC Line Filter
(required for CE)
2198-DBRxx-F
AC Line Filter
(required for CE)
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