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22 Operation principle and hardware description
Overview diagrams
This section contains main circuit overview diagrams. The diagrams show the power line
connections, 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 the drive system
The following figure shows a drive with a diode supply unit and three inverter units.
~ 3
2
3
No.
Description
1.
Main switch-disconnector [Q1]
2.
AC fuses
3.
Main contactor [Q2]
4.
Supply module [T01] (including choke, rectifier and DC fuses)
5.
Inverter DC fuses (with or without DC switches)
6.
Inverter module [T11]
7.
Motor
1
4
7
5
5
6
M
M
3~
3~
5
6
6
M
3~
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