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Single-line diagram of the drive system
The diagram below shows a typical common DC link drive system.
3
2
1
1
AC supply
2
Input (AC) fuses
3
Supply unit
4
DC link
5
Inverter DC fuses
6
Inverter units. In this example, one of the units ocnsists of two inverter modules connected in parallel
7
Brake chopper DC fuses
8
Attenuator. Suppresses voltage spikes at chopper input. Must be installed if it is possible to disconnect
all inverter units from the DC link with the supply unit on, otherwise optional.
9
Brake chopper
10
Brake resistors
11
Motors
4
5
6
M
11
Operation principle and hardware description 15
6
M
7
8
9
10
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