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SGIM-3268H
Siemens SGIM-3268H Vacuum Circuit Breaker Manuals
Manuals and User Guides for Siemens SGIM-3268H Vacuum Circuit Breaker. We have
1
Siemens SGIM-3268H Vacuum Circuit Breaker manual available for free PDF download: Manual
Siemens SGIM-3268H Manual (52 pages)
Vacuum, 5kV and 15kV, Type GMI
Brand:
Siemens
| Category:
Circuit breakers
| Size: 5.57 MB
Table of Contents
Table of Contents
3
Table of Contents
4
Introduction and Safety
4
Introduction
4
Qualified Person
4
Signal Words
4
Dangerous Procedures
4
Field Service Operation
4
Receiving, Handling and Storage
5
Introduction
5
Receiving Procedure
5
Shipping Damage Claims
5
Handling Procedure
5
Storage Procedure
5
Indoor Storage
5
Outdoor Storage
5
Space Heating
5
Installation Checks and Initial Functional Tests
6
Introduction
6
Inspections, Checks and Tests Without Control Power
6
Energizing Control Power
6
Spring Discharge Check
6
Removal from Lower Cell
7
Removal from Upper Cell
7
Removal in Outdoor Non-Walk in Enclosures
9
Physical Inspections
9
Manual Spring Charging Check
9
As-Found and Vacuum Check Tests
9
Automatic Spring Charging Check
9
Final Mechanical Inspections Without Control Power
10
Interrupter/Operator Description
11
Introduction
11
Vacuum Interrupters and Primary Disconnects
11
Primary Disconnects
12
Phase Barriers
12
Stored Energy Operating Mechanism
12
Modes of Operation - MID-1991 and after
13
Modes of Operation Discussion
13
Spring Charging Mode
13
Closing Mode
14
Trip Free Mode
14
Opening Mode
15
Rapid Auto-Preclosing Mode
15
Modes of Operation - up to MID-1991
15
Modes of Operation Discussion
15
Spring Charging Mode
15
Closing Mode
16
Trip Free Mode
16
Opening Mode
17
Rapid Auto-Preclosing Mode
17
Closing and Opening Springs
18
Trip Free Operation
18
Damper
18
Manual Spring Charging
19
Spring Charging Motor
19
Close Solenoid, Trip Solenoid and Anti-Pump Relay
19
Secondary Disconnect
19
Auxiliary Switch
20
MOC (Mechanism Operated Cell) Switch
20
TOC (Truck Operated Cell) Switch
21
Limit Switches
21
Standard Schematic Diagrams
22
Capacitor Trip Device
22
Undervoltage Release
22
Interlocks
24
Trip Free Interlock
24
Rating Interlock
24
Circuit Breaker Frame
24
Ground Disconnect
25
Circuit Breaker Handling Wheels
25
Racking Mechanism
25
Maintenance
26
Introduction and Maintenance Intervals
26
Recommended Hand Tools
26
Recommended Maintenance and Lubrication
27
Removal from Switchgear
27
Checks of the Primary Power Path
28
Cleanliness Check
28
Inspection of Primary Disconnects
28
Checks of the Stored Energy Operator Mechanism
28
Maintenance and Lubrication
28
Fastener Check
29
Manual Spring Changing and Contact Erosion Checks
29
Damper Assembly Check
30
Electrical Control Checks
30
Check of the Wiring and Terminals
30
Check of the Secondary Disconnect
30
Automatic Spring Charging Check
31
Electrical Close and Trip Check
31
Checks of the Spring Charging Motor
31
High-Potential Tests
31
Vacuum Integrity Check
31
High Potential Test Voltages
32
Vacuum Integrity Test Procedure
32
As-Found Insulation and Contact Resistance Tests
32
Insulation and Contact Resistance Test Equipment
32
Insulation and Contact Resistance Test Procedure
32
Inspection and Cleaning of Breaker Insulation
32
Functional Tests
32
Overhaul
33
Introduction
33
Circuit Breaker Overhaul
33
Replacement at Overhaul
33
Replacement of Closing Springs
33
Replacement of Opening Spring
34
Replacement of Closing and Tripping Solenoids
34
Replacement of Anti-Pump Relay
34
Replacement of the Auxiliary Switch
35
Replacement of Motor Cut-Off Switch
35
Replacement of Trip Latch Reset Check Switch
35
Replacement of LS3 - MID-1991 and after
35
Replacement of LS3 - up to MID-1991
36
Replacement of Spring Dump Switch
36
Replacement of Damper Assembly
36
Replacement of Spring Charging Motor
37
Replacement of Primary Disconnect Fingers
37
Replacement of Vacuum Interrupters
38
Preparation
38
Vacuum Interrupter Removal
38
Vacuum Interrupter Replacement
39
Periodic Maintenance and Lubrication Tasks
46
Troubleshooting
47
Appendix
49
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