ABB ACS880-1604LC, Hardware Manual

Page: 21 / 200

Single-line circuit diagram of the DC/DC converter unit
This figure shows a connection example of a DC/DC converter unit with one frame R8i
module. The connection is the same in both Rittal VX25 and generic enclosures.
The table gives explanations for the numbers and letters of the diagram. It also indicates if
customer can order the components from ABB or if the customer needs to acquire them
separately.
1
2
3
4
5
6
7
8
9
DC/DC converter cubicle A
DC bus 1
DC switch/disconnector (optional)
1)
2
Charging switch fuse (optional)
1)
3
Charging resistors (optional) 1) 4
DC fuses (DC-bus side)
1)
5
DC/DC converter module
2)
6
Filter module 2) 7
Output DC fuses
1)
8
Energy storage connection 9
1)
Available through ABB or third party
2)
Available through ABB
Operation principle and hardware description 21