3BHS842007 E01 REV C
ACS6080
USER MANUAL
01 ABOUT THIS MANUAL
1.4
Terms and abbreviations
The following table lists terms and abbreviations you should be familiar
with when using this user manual. Some of the terms and abbreviations
used in this user manual are unique to ABB and might differ from the
normal usage.
Table 1-1 Terms and abbreviations
Term/Abbreviation
Definition
AC
Alternating current
ACS6080
ACS6080 medium voltage AC drive
AI
Analog input
ANSI
American National Standards Institute
AO
Analog Output
APU
Auxiliary Pump Unit
ARU
Active Rectifier Unit
The ARU rectifies the voltage of the supply network to the
DC voltage and maintains the DC-link voltage at a
constant level irrespective of changes in the supply
network. The unit is designed as a self-commutated, 3-
level voltage source inverter consisting of three identical
phase modules. The unit allows regenerative braking.
ASE
Anti Saturation Equipment
Azipod®
ABB’s electric propulsion system for ships
BCON
Application and motor controller
BCU
Braking Chopper Unit
CBU
Capacitor Bank Unit
CCB
Converter Control Board
Control panel
Serves as the basic user interface for operating and
monitoring the drive when the local operating mode has
been selected, also known as assistant control panel.
CHU
Charging Unit
CIT
Conductivity Transmitter
CIU
Customer Interface Unit
Converter
Short form for ACS6080 frequency converter
COU
Control Unit
The COU consists of a control compartment and a
customer interface compartment. The control
compartment incorporates the hardware for control,
monitoring and protection functions of the drive and the
communication interface to the door-mounted
control panel.
CW1
Control water system 1