The ACS800-37
26
Frame R8i
The picture below shows the main components of a frame R8i drive with the doors
open.
5
14
No. Description
1 Swing-out frame (see picture on page 27)
2 Supply unit controller (RDCU)
3 Inverter unit controller (RDCU)
4 Switch-disconnector*
5 Input contactor*
6 LCL filter
7 IGBT supply module
8 Intermediate DC link
9 Inverter module
10 Cooling fan for LCL filter
11 Cooling fan for IGBT supply module
12 Cooling fan for inverter module
13 Auxiliary voltage transformer (accessible by opening
the swing-out frame)
14 Auxiliary voltage circuitry (relays etc.)
*In larger drives, an air circuit breaker is used instead of the
switch-disconnector/contactor combination.
96
13
3
4
8
7
10
11
2
1
12
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