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20 Operation principle and hardware description
Overview diagram of a drive with a DC/DC converter unit
This diagram shows a possible application of a converter unit in an example system. The
DC/DC converter unit includes a DC/DC converter module and a filter module.
3
2
1
1
AC supply
2
Input (AC) fuses
3
Supply module
4
DC bus (-,+)
5
Inverter DC fuses (with or without a DC switch/disconnector)
6
Inverter modules
7
Motors
8
DC fuses (DC bus side, with or without a DC switch/disconnector)
9
DC/DC converter unit (converter and filter module)
10
Output DC fuses
11
Customer-defined energy storage with disconnecting and protection devices
4
5
6
7
8
6
9
t°
10
11
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