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12 Operation principle and hardware description
Overview diagram of the drive system
This diagram shows an example drive line up with an example DC feeder unit.
B
5
6
4
3
A
2
1
A
Incoming unit
B
Supply unit
C
Inverter unit
D
DC feeder unit
1
AC supply
2
Main breaker, or main contactor and main switch-disconnector
3
Input (AC) fuses
4
Supply module
5
DC bus
6
Supply and inverter module DC fuses
7
DC switch/disconnector (option +F286)
8
Inverter modules
9
Motor(s) (acquired by user)
10
DC switch/disconnector ([Q11], option +F290)
11
DC fuses [F11]
12
Energy storage (acquired by user) with disconnecting and protection devices
C
C
7
8
9
D
10
11
8
12
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