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Parallel converters
￭
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
S500
S500
CI581-CN
AX522
XCAN
CH0 ... CH3
2
BCON
3
Operation principle and hardware description 35
CH0
1
PSL
4
5
CH1
CH2
CH3
2
BCON
U2
V2
W2
7
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