ABB ACQ580-34 - Block Diagram of the Main Circuit of the Drive Module; Line-Side Converter

￭ Block diagram of the main circuit of the drive module
T1/U2
T2/V2
T3/W2
7
3
54
6
L1/U1
L2/V1
L3/W1
UDC- UDC+
PE
1
2
8
A
ACQ580-34 drive moduleA
Charging circuit contactor1
Charging circuit2
Line contactor3
LCL filter4
Line-side converter5
DC link. DC circuit between the line-side converter and motor-side converter.6
Motor-side converter7
Common mode filter (+E208)8
￭ Line-side converter
The line-side converter rectifies three-phase AC current to direct current for the intermediate
DC link of the drive.
30 Operation principle and hardware description