Overview of power and control connections
The diagrams show the power connections and internal control interfaces of the wind turbine
converter. See also section
. The option module slots on the control
unit are reserved for internal use and communication.
■
Master
BCON
CH0 CH1 CH2 CH3
BCON
CH0 … CH3
L1
L2
L3
U2
V2
W2
PSL
PSL
FXXX
XCAN
S500
CI581-CN
S500
AX522
1
2
3
4
6
7
1
2
5
Description
No.
Slots 1…3
1
RDCO (slot 4)
2
BCU-x5 control unit
3
BCU-x2 control unit
4
External control via Ethernet and selected fieldbus (optional and customer-specified). Both BCU
control units are connected to Ethernet switch.
5
Grid-side converter
6
Generator-side converter
7
32 Operation principle and hardware description
Summary of Contents for ACS880-77CC
Page 1: ...ABB WIND TURBINE CONVERTERS ACS880 77CC wind turbine converters Hardware manual...
Page 2: ......
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Page 10: ...10...
Page 17: ...5 1 3 4 6 8 7 2 Safety instructions 17...
Page 22: ...22...
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Page 73: ...2a 3b 4c 5 Air flow direction is towards the converter module Maintenance 73...
Page 104: ...104...
Page 108: ...Description CAN bus connection XCAN XCAN 108 BCU x5 control unit...
Page 112: ...112 Dimension drawings...
Page 113: ...Dimension drawings 113...
Page 114: ...114 Dimension drawings...
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