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36 Operation principle and hardware description
Overview of power and control connections
The diagram shows the power connections and internal control interfaces of the wind
turbine converter. See also section
(page
). The option module slots on
the control unit are reserved for internal use and communication.
External control via Ethernet
Both BCU control units are connected to Ethernet switch
Grid-side converter
Generator-side converter
BCON
BCU control unit
CH0 CH1 CH2 CH3
Slots 1…3
BCON
BCU control unit
RDCO (slot 4)
CH0 CH1 CH2 CH3
RDCO (slot 4)
L1
L2
L3
U2
V2
W2
Slots 1…3
PSL
PSL
FIO
FXXX
FXX
RDCO
FIO
FXXX
FXX
RDCO
Summary of Contents for ACS880-87LC-4000A/4021A-7
Page 4: ......
Page 10: ...10 ...
Page 17: ...Safety instructions 17 1 3 2 4 5 6 7 ...
Page 18: ...18 Safety instructions 8 9 ...
Page 28: ...28 Introduction to the manual ...
Page 52: ...52 Mechanical installation ...
Page 66: ...66 Planning the electrical installation ...
Page 74: ...74 Electrical installation Diagrams for the customer connections are presented below ...
Page 75: ...Electrical installation 75 optional Fast shutdown ...
Page 85: ...Maintenance 85 b c a Air flow direction 2 3 4 6 ...
Page 87: ...Maintenance 87 2 5 4 ...
Page 88: ...88 Maintenance 7 Arrow indicating the air flow direction 5 6 6 ...
Page 90: ...90 Maintenance Air flow circulation b a ...
Page 106: ...106 Maintenance ...
Page 124: ...124 Control units of the converter ...
Page 126: ...126 Dimension drawings ...
Page 127: ...Dimension drawings 127 ...
Page 128: ...128 Dimension drawings ...
Page 142: ...142 Cooling and heating ...