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Overview diagrams
This section contains examples of main circuit overview diagrams. The diagrams show
the power line connection, and the connections between the components. The supply
unit overview diagrams also show examples of division of components in cubicles,
and indicate which components you can order from ABB and which you need to acquire
separately.
Overview diagram of a drive
￭
This diagram shows a a simplified diagram of a drive with one diode supply unit and
one inverter unit.
1
AC supply
2
Input (AC) fuses
3
Supply module
4
DC bus (-, +)
5
Inverter DC fuses
6
Inverter module
7
Motor
4
3
2
1
Operation principle and hardware description 19
5
6
M
7
3~
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