ABB ACS6080 User Manual page 50
System drives
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The ACS6080 has a flexible modular design with standard and optional
cabinet units. Each cabinet unit is dedicated to a specific function.
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(1) Active rectifier unit (ARU):
Self-commutated, 6-pulse, 3-level
voltage source inverter with
IGCT technology
(2) Drive control panel for local
operation: Keypad with multi-
language display, main supply on/
off pushbuttons, and emergency
off push button
(3) Inverter unit (INU):
Self-commutated, 6-pulse, 3-level
voltage source inverter with
IGCT technology
(4) Capacitor bank unit (CBU):
DC capacitors for smoothing the
intermediate DC voltage
The drive is assembled from standard and optional cabinet units. Each
unit is dedicated to a specific function.
Note: For more information on the cabinet units in your drive, see the
Layout drawing in "Appendix C – Mechanical drawings".
3BHS842007 E01 REV C
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3
6
Figure 3-2 ACS6080 drive example
(5) Water cooling unit (WCU):
(6) Terminal unit (TEU) and control
(7) Braking chopper unit (BCU),
(8) Excitation unit (EXU):
ACS6080 USER MANUAL
03 POWER ELECTRONICS AND CABINET FEATURES
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7
Supplies deionized water for
cooling the main
power components
unit (COU): Contains the power
terminals and the control
swing frame
resistor braking unit (RBU) or
voltage limiter unit (VLU):
Optional cabinet units
Optional cabinet unit that supplies
a synchronous motor
with excitation
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