Operation principle and hardware
description
Contents of this chapter
This chapter describes a typical drive system and the hardware of the inverter unit.
The information is valid for all ACS880-107 inverter units.
Overview diagram of the drive system
The diagram that follows shows an example of a multidrive. The supply unit connects
the drive to the AC supply network. It converts the AC voltage into DC. The DC voltage
is distributed through the DC bus to all inverter units and optional brake units. The
inverter unit converts the DC back to AC that rotates the motor. The brake unit
(optional) conveys energy to brake resistors whenever needed.
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Operation principle and hardware description 15
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