ABB DCS880 - Page 30

30
Exchange thyristors sizes H1 … H4
3ADW000488R0101 DCS880 Service manual e a
8. The result looks like this.
9. Remove the air guide, all cables and
plugs at the SDCS-PIN-H01.
− X99 auxiliary power supply.
− XC12, XS13, X38 flat cables/cable
from SDCS-CON-H01 to SDCS-
PIN-H01.
− X4, X5/X6, X15/X10 on the SDCS-
BAB-F0x.
− X30, X31 snubber resistor.
− X41 … X44 fans supply.
− X1, X2, X7 line voltage for SDCS-
BAB-F0x.
− X11 firing pulses for SDCS-BAB-
F0x.
− X15 … X18 gate leads.
− X3 … X5 current transformers.
− X22 temperature sensor.
10. Keep the winding direction and amount of
windings through T100 in mind:
Size
Converter type
Used type
Used fuses
T100 threads
I
F
[A]
H1
DCS880-S01-0020 ...
DCS880-S02-0025
SDCS-BAB-F01
F100 ... F102 on SDCS-PIN-H01
KTK 25 = 25 A
4 
0.3 ... 6
H1
DCS880-S01-0045 ...
DCS880-S02-0100
SDCS-BAB-F01
F100 ... F102 on SDCS-PIN-H01
KTK 25 = 25 A
3 
1 ... 12
H2
DCS880-S01-0135 ...
DCS880-S02-0300
SDCS-BAB-F01
F100 ... F102 on SDCS-PIN-H01
KTK 25 = 25 A
2 
1 ... 18
H3
DCS880-S01-0315 ...
DCS880-S02-0520
SDCS-BAB-F02
F100 ... F102 on SDCS-PIN-H01
KTK 25 = 25 A
1

2 ... 25
H4
DCS880-S01-0610 ...
DCS880-S02-1000
SDCS-BAB-F02
F401 ... F403 in drive
KTK 30 = 30 A
1 
2 ... 30
 Number of threads through the hole in the T100 (e.g. 3 threads equal 2 loops)