Remove Faulty Thyristor - ABB DCS 500B Service Manual
Dcs thyristor power converters
for dc drive systems
25 to 5200 a
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Also See for DCS 500B:
- Operating instructions manual (76 pages) ,
- Description (228 pages) ,
- Service manual (73 pages)
Table of Contents
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Chapter 6 - Exchange of Thyristors for Size A6
Remove faulty thyris-
tor
VI A
6 - 4
1. Replace all blown fuses and reconnect all fuses taken out du-
ring search for the faulty thyristor.
2. Remove the screws of the DC - busbar plates adjacent to the
defective thyristors.
Figure 6-3
Location of the DC - busbar plates
Note: It depends on the location of the defective thyristor which DC-
busbar plates have to be disconnected.
3ADW000093R0701_DCS500B/DCS600_Service manual_e_g
DCS 500 / DCS 600 Service Manual
DC-
busbar
plates
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