Input Filter Unit (Ifu); Ifu Circuit Diagram; Ifu Cabinet - ABB ACS6000 User Manual

3.3.2

Input filter unit (IFU)

The IFU is used in combination with 6-pulse active rectifier units
connected to a weak supply network. The tuned filter is located between
the input transformer and the ARU and reduces harmonic voltages
injected to the supply network.
(1) TEU
(2) IFU
(1) Resistor
(2) Capacitor
3BHS212794 E01 REV M
1 2
L1
L2
L3
Figure 3-22 IFU circuit diagram
1
2
Figure 3-23 IFU cabinet
ACS6000 USER MANUAL
03 POWER ELECTRONICS AND CABINET FEATURES
3
L1
L2
L3
(3) ARU
(3) Reactor
1
2
3
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