ABB DCS 500B - Service Manual

126 pages

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DCS Thyristor Power Converters

for DC Drive Systems

25 to 5200 A

Service Manual

DCS 500B

DCS 600 MultiDrive

1

2

3

4

Table of Contents

Default Chapter5
- Safety Instructions5
- Table of Contents9
Chapter 1 - Introduction13
Chapter 2 - Fault Tracing Thyristors17
- How to Detect, if a Thyristor Is Faulty17
  - A Fuse Is Blown17
  - Ripple Monitor17
- How to Find a Faulty Thyristor18
Chapter 3 - Handling the Semiconductors21
- General Instruction How to Handle the Semiconductors21
Chapter 4 - Exchange of Thyristors for Sizes C1/C2/C2B23
- Installation of Thyristor Modules in Converters Size C1/C2/C2B (2523
Chapter 5 - Exchange of Thyristors for Size A533
- Installation of "Disc Type" Thyristor in Converters Size A5 (90033
Chapter 6 - Exchange of Thyristors for Size A641
- Installation of "Disc Type" Thyristor in Converters Size A6 (190041
Chapter 7 - Exchange of Thyristors for Size A755
- Installation of "Disc Type" Thyristor in Converters Size A7 (205055
  - Required Tools55
  - Find Faulty Thyristor56
Chapter 8 - Exchange of Thyristors for Size C365
- Required Tools65
- Installation of "Disc Type" Thyristor in Converters Size C3 (900...2000 A)65
Chapter 9 - Exchange of Thyristors for Size C471
Chapter 10 - Service77
Chapter 11 - Preventive Maintainance103
- Recommended Regular Maintenance103

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