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ABB SGF User Manual
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Figure 70 :
Maintenance of earthing switch : Contact finger dimensions for rated voltages 245 ... 362 kV
or rated peak-withstand currents > 100 kA
Figure 69 :
Maintenance of earthing switch : Contact finger dimensions for rated voltages 123 ... 170 kV
and rated peak-withstnad currents < 100 kA
87/1
13
1HDB 050016-YN-A
93
95
Table of Contents
Default Chapter
2
Table of Contents
2
Contents of Figures
4
1 Please Read First
8
Copyright
8
Guarantee
8
Conventions
8
2 Function
9
Disconnector
9
Earthing Switch
9
Variants
9
3 Mounting Alternatives
10
Parallel Arrangement of Disconnector Poles
10
Series Arrangement of Disconnector Poles
10
3-Pole Type SGF Two-Column Rotary Disconnector in Parallel Arrangement
10
4 Basic Design
11
Basic Design of Type SGF Two-Column Rotary Disconnector
11
Disconnecetor
11
Basic Design of Earthing Switch
12
Earthing - Switch
12
Current Transfer
13
Disconnector
13
General
13
Mode of Operation
13
Operating Mechanism
13
Earthing Connection
14
Interlocking
14
Mode of Operation of Earthing Switch
14
6 Technical Data
15
General Electrical Data
15
General Mechanical Data
15
General Main Dimensions
16
General Main Dimension of SFG Two-Column Rotary Disconnector
16
Minimum Distance between Disconnector Poles
17
7 Scope of Supply
18
Disconnector
18
Scope of Supply, Earthing Switch
19
8 Shipping and Storage
20
9 Mounting, General
21
Tools and Materials
21
Lifting Tackle
21
Treatment of Contact Surfaces and Intersection Surfaces
22
10 Mounting of Disconnector
23
For Rated Voltages 36
23
For Rated Voltages 245
23
Mounting of Corona-Protection Fittings
28
11 Mounting of Operating Mechanism for Disconnector
29
Direct Mounting
29
Separate Mounting
33
12 Mounting of Coupling of Disconnectors, Cabling
41
Mounting of Coupling of Disconnectors
42
Direct Mounting
51
Mounting of Operating Mechanism for Earthing Switch
51
Earthing Switch Pole in Parallel
61
Mounting of Earthing Switch
61
Earthing Poles in Series and Mounting on Individual Disconnector Poles
71
And Operating Rod (71) if Operating Mechanism for Earthing Switch on Finger Side
78
And Rated Peak-Withstand Currents < 100 Ka
81
Or Rated Peak-Withstand Currents > 100 Ka (Corona-Protection Fitting and for Rated Voltages 245
81
Mounting of Mechanical Interlocking
83
Commissioning and De-Commissioning
85
Commissioning of Disconnector
85
Commissioning of Earthing Switch
85
Commissioning of Operating Mechanism for Disconnector
85
Admissible Torques for Bolts
87
Extreme Ambient Conditions
87
Inspection Intervals
87
Maintenance
87
Treatment of Contact Surfaces and Intersection Sufaces
88
Maintenance of Disconnector
90
And Rated Peak-Withstand Currents < 100 Ka
92
Maintenance of Earthing Switch
92
And Rated Peak-Withstnad Currents < 100 Ka
94
Or Rated Peak-Withstand Currents > 100 Ka
94
Instructions for Assembling Adapter Plate
95
Rotational Alignment of Contact Fingers
96
Tilting of Column for Alignment
97
Example of an Order Number
98
Order Information
98
Spare Parts
98
Type and Order Number
98
List of Item Numbers
100
Connecting Sets
102
Index
107
Table of Contents
115
Design
116
General Remarks
116
Manual Emergency Operation
116
Blocking Magnet
117
Inside View of Motor-Operated Mechanisms Type MT 50 and MT 100
118
Optional Extras
119
Example of Internal Wiring Diagram
121
Installation
124
Technical Data of the Auxiliary Switches
124
Transportation and Storage
124
Commissioning
125
List of Components
127
Wiring Diagram
130
Parts List
131
Schematic Diagram
133
Terminal Arrangement Motor Operated Mechanism
144
Rating Plate
149
Mechanical Position Indicator
151
Mechanical Interlocking
152
Earthing Switch Arm and Fixed Contact
155
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ABB SGF Specifications
General
Brand
ABB
Model
SGF
Category
Industrial Electrical
Language
English
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