ABB ACS6000 - IFU Cabinet; IFU Circuit Diagram; Input Filter Unit (IFU)

03 POWER ELECTRONICS AND CABINET FEATURES
3BHS212794 E01 REV M ACS6000 USER MANUAL 72/278
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.
Figure 3-22 IFU circuit diagram
Figure 3-23 IFU cabinet
(1) TEU
(2) IFU
(3) ARU
(1) Resistor
(2) Capacitor
(3) Reactor
L1
L2
L3
L1
L2
L3
1
2
3
1
2
1
2
3