Overview Of Power And Control Connections - ABB ACS880-87LC-3200A Hardware Manual

Overview of power and control connections

The diagram shows the power connections and internal control interfaces of the wind turbine
converter. See also section
unit are reserved for internal use and communication.
S500 S500
CI581-CN AI523
XCAN
1
PSL
L1
L2
L3
6
No. Description
1 Slots 1...3
2 RDCO (slot 4)
3 BCU-x5 control unit
4 BCU-x2 control unit
5 External control via Ethernet and selected fieldbus (optional and customer-specified). Both BCU
control units are connected to Ethernet switch.
6 Grid-side converter
7 Generator-side converter
Circuit boards (page
CH0 CH1 CH2 CH3
2
BCON
3
Operation principle and hardware description 33
34). The option module slots on the control
1
PSL
5
CH0 CH1 CH2 CH3
2
BCON
4
U2
V2
W2
7