Terms - ABB ACS580MV Hardware Manual

Terms and trademarks

Terms

The following table lists the terms and abbreviations you should be familiar with when
using the manual. Some of the terms and abbreviations used in the manual are unique to
ABB and might differ from the normal usage.
Term / Abbreviation
Bypass - drive
Converter
COU
Drive
Drive system
MAU
MB
MCB
MSS
PE
PT
SBU
TEU
Meaning
Short form for ACS580MV frequency converter with bypass function Unit.
Short form for frequency converter.
Control unit
Short form for control compartment of the drive.
Short form for ACS580MV frequency converter.
The drive system includes all equipment used to convert electrical into
mechanical power to give motion to the machine.
Marshalling unit
Motor Breaker
Main Circuit Breaker
The MCB is a major protection device of the drive system and connects /
disconnects the main power supply to the drive. The MCB is controlled entirely
by the drive.
Motor starting switch
Protective Earth
Potential Transformer
Synchronizing bypass unit
Terminal Unit
Short form for terminal compartment of the drive.
9