ABB ACQ80-04 Series - Layout; Frames R0

The figure below shows the simplified main circuit diagram of the drive.
L1
L2
L3
T1/U
T2/V
T3/W
1 2 3
Rectifier. Converts alternating current and voltage to direct current and voltage.1
DC link. DC circuit between rectifier and inverter.2
Inverter. Converts direct current and voltage to alternating current and voltage.3
UDC-, UDC+ in frames R0…R2 and R-, UDC+ in frame R34
DC connection (UDC+, UDC-) in frames R4…R8.5
Layout
￭ Frames R0...R2
The layout of a frame R0 drive is presented below. The frame sizes R1…R2 is similar to
R0 but have a different structure.
26 Operation principle and hardware description