ABB DCT880 - Final Component Removal (T5); Remove sensor, transformers, and holding screws (T5)

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− Temperature sensor (X22).

− Current transformers (X3, X4, X5).

8. Remove the holding screws.

Service

3ADW000449R0101 DCT880 Service Manual e a

Main Page

Safety Instructions3
Table of Contents6
DCT880 Manuals and Tools8
List of Manuals8
Documentation9
DCT880 Information9
Introduction10
Chapter Overview10
Before You Start10
What this Manual Contains10
Target Group10
Associated Publications10
Storage and Transport10
Name Plate11
Type Code11
Ratings11
Voltage Ratings11
400 V / 525 V Units, Current and Power Ratings12
690 V Units, Current and Power Ratings12
Fault Tracing Thyristors14
Tools14
For Commissioning and Fault Tracing14
Additionally for Service and Preventive Maintenance15
How to Detect a Faulty Thyristor15
A Fuse Is Blown15
Output Current Measured by an Oscilloscope15
Thyristor Diagnosis16
How to Find a Faulty Thyristor16
Standard Thyristor Power Controllers Size T116
Blown Fuses16
Faulty Thyristor16
Standard Thyristor Power Controllers Size T5 (890 a17
Blown Fuses17
Faulty Thyristor17
Thyristor Power Controllers Size T117
Blown Fuses18
Faulty Thyristor18
Handling the Semiconductors19
General Instruction How to Handle Semiconductors19
Exchange Thyristors Sizes T120
Installation of Thyristor Modules in Thyristor Power Controllers Size T120
Required Tools20
Find Faulty Thyristor Modules20
Remove Faulty Thyristor Modules21
Install New Thyristor Modules26
Thyristor Module Terminals27
Exchange Thyristors Size T529
Installation of Thyristor Modules in Thyristor Power Controllers Size T5 (890 a29
Required Tools29
Find Faulty Thyristor Modules29
Remove Faulty Thyristor Modules30
Install New Thyristor Modules39
Thyristor Module Location in T5 Units40
Thyristor Module Terminals40
Exchange SDCS-CON-F General41
Required Tools41
Overview SDCS-CON-H Exchange41
Service45
Exchange Cooling Fans Sizes T145
Exchange Cooling Fans Size T3 (Four Fans)48
Exchange Cooling Fans Size T451
Exchange Cooling Fans Size T555
Exchange of Internal Semiconductor Fuses in Thyristor Power Controllers Size T156
Required Tools56
Find Blown Semiconductor Fuses56
Remove Blown Semiconductor Fuses56
Install New Semiconductor Fuse(S)61
Exchange of Internal Semiconductor Fuses in Thyristor Power Controllers Size T5 (890 a62
Required Tools62
Find Blown Semiconductor Fuses62
Remove Blown Semiconductor Fuses62
Install New Semiconductor Fuse(S)69
DCT880 Firmware Download70
General70
Download SDCS-CON-H Firmware Using the Drive Loader 2.X70
Set Type Code75
Preventive Maintenance76
Recommended Regular Maintenance77
Maintenance Schedule77
Annual Preventive Maintenance78
Years Preventive Maintenance79
Years Preventive Maintenance80
Years Preventive Maintenance81
Preventive Maintenance Checklist DCT88082
Appendix A: Spare Parts List84
T1 (20 a84
T2 (160 a85
T3 (325 a86
T4 (550 a87
T5 (890 a88

ABB DCT880 - Final Component Removal (T5); Remove sensor, transformers, and holding screws (T5)

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