ABB ACS880-04 - Simplified Main Circuit Diagram; Simplified Main Circuit Diagram of the Drive System

Operation principle and hardware description 27
 Simplified main circuit diagram
The following figure shows the simplified main circuit diagram of the drive.
Simplified main circuit diagram of the drive system
The following figure shows a simplified diagram of a common DC bus drive system.
Description
1. AC supply
2. Input AC fuses
3. Supply unit
4. DC bus
5. Inverter DC fuses
6. Inverter unit
7. Motor
to power
supply
to motor
DC link with
fuses
AC fuses Supply unit Inverter unit