ABB ACS880-04 - Operation Principle and Hardware Description; Contents of this Chapter; Operation Principle

Operation principle and hardware description 25
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Operation principle and
hardware description
Contents of this chapter
This chapter describes the operation and the hardware of the ACS880-04 single drive
module packages. The information is valid for the ACS880-04 single drive module
packages.
Operation principle
ACS880-04 single drive module package consists of supply module(s) of type
ACS880-304+A018, frame size D7T or D8T, and of inverter modules of type ACS880-104,
frame size R8i. ACS880-04 with option code +A004 indicates 12-pulse operation. Supply
unit rectifies three-phase AC current to direct current for the intermediate DC link of the
drive. The intermediate DC link supplies the inverter that runs the motor. There can be one
inverter unit connected to the intermediate circuit.