ABB DCS 500B - Table of Contents

Contents
DCS 500 / DCS 600 Service Manual v
VI A SERVICE MANUAL
Chapter 1 - Introduction
How to use this manual........................................................................................................... 1-1
Contents of this manual .......................................................................................................... 1-1
Target group ........................................................................................................................... 1-2
Associated publications ......................................................................................................... 1-2
Storage and transport ............................................................................................................. 1-2
Rating plate and type code ..................................................................................................... 1-2
Chapter 2 - Fault Tracing Thyristors
How to detect, if a thyristor is faulty ........................................................................................ 2-1
A fuse is blown ............................................................................................................ 2-1
Ripple monitor ............................................................................................................. 2-1
How to find a faulty thyristor.................................................................................................... 2-2
Converters size C1 and C2/C2b (25...1000 A) ............................................................ 2-2
Blown fuses ................................................................................................................. 2-2
Converters size A5, A6, A7, C3 and C4 (900...5200 A) .............................................. 2-3
Blown fuses ................................................................................................................. 2-3
Ripple monitor ............................................................................................................. 2-3
Chapter 3 - Handling the Semiconductors
General Instruction how to handle the Semiconductors ......................................................... 3-1
Chapter 4 - Exchange of Thyristors for Sizes C1/C2/C2b
Installation of thyristor modules in converters size C1/C2/C2b (25...1000 A)......................... 4-1
Required Tools ............................................................................................................ 4-1
Remove faulty thyristor modules ................................................................................. 4-1
Install new thyristor modules ....................................................................................... 4-2
Thyristor module location ............................................................................................ 4-3
Module terminals ......................................................................................................... 4-8
Chapter 5 - Exchange of Thyristors for Size A5
Installation of "Disc Type" thyristor in converters size A5 (900...2000 A) ............................... 5-1
Required Tools ............................................................................................................ 5-1
Find faulty thyristor ...................................................................................................... 5-2
Remove faulty thyristor................................................................................................ 5-3
Install new thyristor...................................................................................................... 5-4
Chapter 6 - Exchange of Thyristors for Size A6
Installation of "Disc Type" thyristor in converters size A6 (1900...3000 A) ............................. 6-1
Required Tools ............................................................................................................ 6-1
BCT thyristors.............................................................................................................. 6-2
Find faulty thyristor ...................................................................................................... 6-3
Remove faulty thyristor................................................................................................ 6-4
Install new thyristor...................................................................................................... 6-7
Chapter 7 - Exchange of Thyristors for Size A7
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