ABB DCS 500 Series Service Manual page 10

Contents
Install new thyristor.................................................................................................... 6-3
Fasten the clamp ....................................................................................................... 6-3
Chapter 7 - Exchange of Thyristors for Size C4
Installation of "Disc Type" thyristor in converters size C4 (2050...5150 A) ............................ 7-1
Required Tools .......................................................................................................... 7-1
Find faulty thyristor .................................................................................................... 7-2
Install new thyristor.................................................................................................... 7-3
Chapter 8 - Compatibility of SDCS-PIN-2 boards
Description of SDCS-PIN-20xB boards ................................................................................. 8-1
Hardware coding ....................................................................................................... 8-1
Snubber circuit........................................................................................................... 8-1
Compatibility of SDCS-PIN-20x boards ..................................................................... 8-2
Compatibility of SDCS-PIN-20x and SDCS-PIN-2x boards........................................ 8-2
Change SDCS-PIN-2x boards ................................................................................... 8-3
Chapter 9 - Preventive Maintainance
Recommended regular maintenance .................................................................................... 9-1
Air Filters ................................................................................................................... 9-1
Cooling air pressure switch in converter modules type C4......................................... 9-1
Fan ............................................................................................................................ 9-1
Heatsink .................................................................................................................... 9-1
Internal high current connections in converters type C4 ............................................ 9-2
Relays and electrical connections.............................................................................. 9-2
Appendix A - Spare Parts List
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3ADW000093R0601_DCS500B/DCS600_Service Manual_e_f
DCS 500 / DCS 600 Service Manual