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Table of contents
3ADW000488R0101 DCS880 Service manual e a
Table of contents
DCS880 Drive Manuals ........................................................................................................................................ 2
List of manuals .................................................................................................................................................. 2
Table of contents 3
Safety instructions 6
What this chapter contains ................................................................................................................................... 6
To which products this chapter applies ................................................................................................................ 6
Usage of warnings and notes ............................................................................................................................... 6
Installation and maintenance work ....................................................................................................................... 6
Grounding ......................................................................................................................................................... 7
Printed circuit boards and fiber optic cables ..................................................................................................... 7
Mechanical installation .......................................................................................................................................... 7
Operation .............................................................................................................................................................. 8
Introduction to this manual 9
Chapter overview .................................................................................................................................................. 9
Before You Start ................................................................................................................................................... 9
What this manual contains.................................................................................................................................... 9
Target group ......................................................................................................................................................... 9
Related documents ............................................................................................................................................... 9
Storage and transport ........................................................................................................................................... 9
Name plate ......................................................................................................................................................... 10
Type code ........................................................................................................................................................... 11
Voltage ratings .................................................................................................................................................... 12
Current ratings .................................................................................................................................................... 13
Terms and abbreviations .................................................................................................................................... 14
Cybersecurity disclaimer..................................................................................................................................... 15
Fault Tracing Thyristors 16
Tools ................................................................................................................................................................... 16
For commissioning and fault tracing ............................................................................................................... 16
Additionally for service and preventive maintenance ..................................................................................... 17
How to detect a faulty thyristor ........................................................................................................................... 17
A fuse is blown ................................................................................................................................................ 17
DC-current pulses measured using an oscilloscope ...................................................................................... 17
Thyristor test ................................................................................................................................................... 18
Ripple monitor ................................................................................................................................................. 18
How to find a faulty thyristor ........................................................................................................................... 18
Converters size H1 … H4 (20 ... 1000 A) ....................................................................................................... 19
Blown fuses .................................................................................................................................................... 19
Converters size H5 … H8 (900 ... 5200 A) ..................................................................................................... 20
Blown fuses .................................................................................................................................................... 20
Ripple monitor ................................................................................................................................................. 21
How to detect a faulty SDCS-BAB-F0x (H1 ... H4) ............................................................................................. 22
How to find a faulty SDCS-BAB-F0x .................................................................................................................. 22
Converters size H1 … H3 (20 ... 520 A) ......................................................................................................... 22
Converters size H4 (610 ... 1000 A) ............................................................................................................... 24
Handling the Semiconductors 26
General Instruction how to handle semiconductors ........................................................................................... 26
Exchange thyristors sizes H1 … H4 27
Installation of thyristor modules and SDCS-BAB-F0x in converters size H1 … H4 (20 ... 1000 A) ................... 27
Required tools ................................................................................................................................................. 27
Find faulty thyristor modules ........................................................................................................................... 27