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ABB ACS 6000 User Manual
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Chapter
11 - Changing
IGCTs in
DIU
ABB
11-4 (6)
3
BHS202077
ZAB E01 R
ev. C
ACS 6000
Maintena
nce Manua
l
4
Remov
e t
he f
astenin
g bolts of
the IGCT
. The bol
ts requi
re a 10 mm
so
cke
t.
Figure 11-4
F
astening Bolts
5
Remov
e t
he f
aulty
IGCT
.
Figure 11-5
IGCT Remov
ed
F
astening bolts
Pins
Mounting brac
k
et
77
79
Table of Contents
Default Chapter
3
Table of Contents
3
Chapter 1 - Introduction and Safety
7
Introduction
7
Safety
9
Chapter 2 - Checking Igcts and Diodes
9
Checking Igcts
9
Required Tools and Accessories
9
Test Procedure
9
Step 2
10
Checking Diodes in 7/ 9 MVA Phase Modules
12
Chapter 3 - Changing Diodes and Thyristors in LSU
15
Required Tools and Accessories
15
Safety
16
Replacing Diodes and Thyristors
17
Chapter 4 - Changing 3/5 MVA Phase Modules
21
Required Tools and Accessories
21
Removing a Phase Module
22
Using the Hoist
26
Using a Crane
27
Installing a Phase Module
28
Chapter 5 - Changing RC-Igcts in 3/5 MVA Phase Modules
31
Chapter 6 - Changing Clamp Diodes in 3/5 MVA Phase Modules
33
Required Tools and Accessories
33
Changing Procedure
33
Chapter 7 - Changing 7/9 MVA Phase Modules
37
Required Tools and Accessories
37
Removing a Phase Module
38
Installing a Phase Module
41
Chapter 8 - Changing Diodes and Igcts in 7/9 MVA Phase Modules
43
Required Tools and Accessories
43
Overview
44
Safety
46
Replacing Clamp and NP Diodes
47
Preparatory Steps
47
Replacing Clamp Diodes
50
Upper Clamp Diode
50
Lower Clamp Diode
51
Replacing NP Diodes
53
Removing Upper NP Diode
53
Assembling the Stack
54
Removing Lower NP Diode
54
Finishing Steps
55
Replacing Free Wheeling Diodes
56
Replacing Igcts
58
Chapter 9 - Changing Thyristors in EXU
61
Required Tools and Accessories
61
Safety
61
Replacing Thyristors in Exus for Brushless Excitation
62
Preparatory Steps
62
Treating a New Thyristor before Installation
63
Mounting a New Thyristor
63
Replacing Thyristors in Exus for Direct Excitation
65
Preparatory Steps
65
Treating a New Thyristor before Installation
66
Mounting a New Thyristor
66
Deflection Diagram
67
Chapter 10 - Changing Semiconductors in VLU
69
Required Tools and Accessories
69
Safety
69
Replacing the Semiconductors
70
10.3.1 Preperatory Steps
70
10.3.2 Replacing Upper Diode
70
10.3.3 Replacing Igcts
71
10.3.4 Replacing Lower Diode
73
10.3.5 Finishing Steps
73
Chapter 11 - Changing Igcts in DIU
75
Required Tools and Accessories
75
Safety
75
Removing an IGCT
76
Installing an IGCT
79
Chapter 12 - Replacing Printed Circuit Boards
81
Safety
81
Replacing an AMC3 Board
82
Changing the AMC3 Flash Memory
84
Replacing an INT Board
87
Transferring the EPLD Chips
90
Transferring the Pulse Pattern Flash
90
Replacing a CVMI Board
92
Chapter 13 - Function of Leds
95
AMC Board
95
INT Board
97
Gusp
99
Igct
100
Chapter 14 - Tightening Torques and Threaded Connections
101
Water Cooling Unit
101
Tightening Torque for Pipe Coupling
101
Tightening Torque for Pumps
101
Tightening Torque for Flanges
103
Pipe Joints and Busbar Connections
103
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ABB ACS 6000 Specifications
General
Brand
ABB
Model
ACS 6000
Category
Controller
Language
English
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