32 ACS2000 DFE UM 3BHS360367 ZAB E01 REV. K
2.3 Drive topology
This section describes the main design features and introduces the
major power electronics components of a typical ACS2000.
1. Transformer
2. COU - control unit
3. TEU - terminal unit for line and motor cables
(behind a bolted partition)
4. EMC filter or sine filter
(depends on motor application)
5. Fan unit
6. INU - inverter unit
7. DC link
8. DFE - diode front end
CMC - common mode choke
(only present if external transformer is used)
2-4 Main components of
the drive