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HM0.460.
3901
10
Figure 2-2
Over
view of t
ap
-
changer
1. Pipe bend
2. Rupture disk
3. Tap-
chang
er head cover
4. Tap-
chang
er head
5. Div
erte
r sw
itc
h
6. Change-
over
sel
ect
or
7. Tap selector
8. Upper gear un
it
Table
2-2
L
ist of tap
-
chan
ger
c
omp
one
nts
9
11
Table of Contents
Main Page
Table of Contents
3
Foreword
4
General
8
Technical Data
11
Type SHZV On-Load Tap Changer Technical Data
11
Operation Conditions
12
Type Designation
12
Insulation Level of Tap Selector
14
Packing, Transportation & Storage
16
Supplied Components
16
Transportation & Acceptance
16
Storage
18
Mounting of Tap-Changer on the Transformer
19
Transformer Mounting Flange for Tap-Changer Installation
19
Mounting of SHZV on Bell-Type Transformer
20
Installation of Tap Changer on Standard Type Transformer
29
The Installation of Plate SHZV
29
Connection between Tap of Voltage Regulating Winding and Terminal of Tap Changer
29
Transformation Ratio Test
31
Transformer Ratio Test and Transformer DC Resistance Measurement
31
Transformer DC Resistance Measurement
32
Drying Process and Oil Filling
33
Drying Process
33
Oil Filling
36
Installation of Motor Drive Unit
38
Installation of Bevel Gear Box
38
Use of Pressure Relief Device
38
Installation of Gas Relay
38
Installation of Tap-Changer Protection Device and Transmission Device Components
38
Installation of Horizontal and Vertical Drive Shafts
39
Installation of Driving Shaft Shield Cover
41
Installation of Three Single Phase Tap Changer
43
Tap Position Calibration of Tap-Changer Transmission System
43
Tap-Changer Factory Test and Test Preparation
45
Test Preparation
45
Test in Transformer Factory
46
Transportation Without Oil
47
Putting Transformer into Operation on Site
47
Oil Filling and Transportation Without Oil Conservator
47
Remove the MDU for Transportation
47
Transformer Transportation and Put into Operation on Site
47
Tap-Changer Operation Monitoring and Maintenance
49
Maintenance
50
Inspection
51
Notice
52
Appendix
53
Appendix 1. SHZV Head Flange,Overall Dimension
54
Appendix 2. SHZV Head Flange with Pressure Relief Valve Overall Dimension
55
Appendix 3. SHZV Supporting Flange, Overall Dimension
56
Appendix 4. SHZV Bell-Type Head Flange,Overall Dimension, Cage Tap Selector
57
Appendix 5. SHZV Bell-Type Supporting Flange Overall Dimension, Cage Tap Selector
58
Appendix 6. the Overall Dimension of Bevel Gearbox
59
Appendix 7. the Overall Dimension of 4:1 Bevel Gearbox
60
Appendix 8. Schematic Drawing for Connection of SHZV and SHM-D
61
Appendix 9. Schematic Drawing for Connection of SHZV and CMA-7
62
Appendix 10. By-Pass Pipe, Overall Dimension
63
Appendix 11. Schematic Drawing for Connection of Horizontal Shaft and Vertical Shaft
64
Appendix 12. Lifting Plate Dimension
65
Appendix 13. SHZV (10050) Operating Position Table and Connection Diagram
66
Appendix 14. SHZV (10070) Operating Position Table and Connection Diagram
67
Appendix 15. SHZV (10090) Operating Position Table and Connection Diagram
68
Appendix 16. SHZV (10100) Operating Position Table and Connection Diagram
69
Appendix 17 SHZV (14140) Operating Position Table and Connection Diagram
70
Appendix 18 SHZV (10051W) Operating Position Table and Connection Diagram
71
Appendix 19 SHZV (10071W) Operating Position Table and Connection Diagram
72
Appendix 20 SHZV (10091W) Operating Position Table and Connection Diagram
73
Appendix 21 SHZV (10191W) Operating Position Table and Connection Diagram
74
Appendix 22 SHZV (10191G) Operating Position Table and Connection Diagram
75
Appendix 23 SHZV (10193W) Operating Position Table and Connection Diagram
76
Appendix 24 SHZV (10193G) Operating Position Table and Connection Diagram
77
Appendix 25 SHZV (12111W) Operating Position Table and Connection Diagram
78
Appendix 26 SHZV (12231W) Operating Position Table and Connection Diagram
79
Appendix 27 SHZV (12231G) Operating Position Table and Connection Diagram
80
Appendix 28 SHZV (12233W) Operating Position Table and Connection Diagram
81
Appendix 29 SHZV (14131W) Operating Position Table and Connection Diagram
82
Appendix 30 SHZV (14271W) Operating Position Table and Connection Diagram
83
Appendix 31 SHZV (14273W) Operating Position Table and Connection Diagram
84
Appendix 32 SHZV (18351W) Operating Position Table and Connection Diagram
85
Appendix 33 SHZV (18351G) Operating Position Table and Connection Diagram
86
Appendix 34 SHZV (18353W) Operating Position Table and Connection Diagram
87
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