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Siemens Manuals
Circuit breakers
GMI Series
Instruction
Siemens GMI Series Instruction
5kvand 15kv vacuum circuit breakers
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Also See for GMI Series
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Installation operation & maintenance
(43 pages)
,
Instruction
(46 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Introduction
Qualified Person
Signal Words
Dangerous Procedures
Field Service Operation
Introduction and Safety
Receiving, Handling and Storage
Introduction
Receiving Procedure
Shipping Damage Claims
Handling Procedure
Storage Procedure
Indoor Storage
Outdoor Storage
Soace Heating
Introduction
Installation Checks and Initial Functional Tests
Inspections, Checks and Tests Without Control Power
Energizing Contra: Power
Spring Discharge Check
Removal from Lower Cell
Removal from Upper Celi
Removal in Outdoor Non-Walk in Enclosures
Physical Inspections
Manual Spring Charging Check
Automatic Spring Charging Check
As-Found and Vacuum Check Tests
Final Mechanical Inspections Without Control Power
Interrupter/Operator Description
Introduction
Vacuum Interrupters and Primary Disconnects
Phase Barriers
Stored Energy Operating Mechanism
Primary Disconnects
Modes of Operation - MID-1991 and after
Modes of Operation - Discussion
Spring Charging Mode
Closing Mode
Trip Free Mode
Opening Mode
Rapid Auto-Reclosing Mode
Modes of Operation - up to MID-1991
Modes of Operation - Discussion
Spring Charging Mode
Closing Mode
Trip Free Mode
Opening Mode
Rapid Auto-Reclosing Mode
Closing and Opening Springs
Trip Free Operation
Damper
Manual Spring Charging
Spring Charging Motor
Close Solenoid, Trip Solenoid and Anti-Pump Relay
Secondary Disconnect
Auxiliary Switch
MOC (Mechanism Operated Ceil) Switch
TOC (Truck Operated Cell) Switch
Limit Switches
Standard Schematic Diagrams
Capacitor Trip Device
Undervoltage Release
Interlocks
Trio Free Interlock
Rating Interlock
Circuit Breaker Frame
Ground Disconnect
Circuit Breaker Handling Wheeis
Racking Mechanism
Maintenance
Introduction and Maintenance Intervals
Recommended Hand Toois
Recommended Maintenance and Lubrication
Removal from Switchgear
Inspection of Primary Disconnects
Checks of the Primary Power Path
Cleanliness Check
Checks of the Stored Energy Operator Mechanism
Maintenance and Lubr!Cation
Fastener Check
Manual Spring Charging and Contact Erosion Checks
Automatic Spring Charging Check
Damper Assembly Check
Electrical Control Checks
Check of the Wiring and Terminals
Check of the Secondary Disconnect
E'ectrical Close and Trip Check
Checks of the Spring Charging Motor
High-Potential Tests
Vacuum Integrity Check
High Potential Test Voitages
Vacuum Integrity Test Procedure
As-Found Insulation and Contact Resistance Tests
Insulation and Contact Resistance Test Equipment
Lnsuiation and Contact Resistance Test Procedure
Inspection and C!Eaning of Breaker Insulation
Functional Tests
Overhaul
Introduction
Circuit Breaker Overhaul
Rep!Acement at Overhaul
Rep!Acement of Closing Springs
Replacement of Opening Spring
Replacement of Closing and Tr!Pping Solenoids
Replacement of Anti-Pump Relay
Replacement of the Auxiliary Switch
Replacement of Motor Cut-Off Switch
Replacement of Trip Latch Reset Check Switch
Replacement of LS3 - MID-1991 and after
Replacement of LS3 up to MID-1991
Replacement of Spring Dump Switch
Replacement of Damper Assembly
Replacement of Spring Charging Motor
Replacement of Primary Disconnect Fingers
Replacement of Vacuum Interrupters
Preparation
Vacuum Tube Removal
Vacuum Tube Replacement
Periodic Maintenance and Lubrication Tasks
Troubleshooting
Appendix
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Table of Contents
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Standard Schematic Diagrams
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Summary of Contents for Siemens GMI Series
Page 1
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Page 2
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Page 3: Table Of Contents
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Page 4: Introduction And Safety
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Page 5: Receiving, Handling And Storage
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Page 6: Installation Checks And Initial Functional Tests
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Page 7: Removal From Upper Celi
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Page 8: Removal In Outdoor Non-Walk In Enclosures
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Page 9: As-Found And Vacuum Check Tests
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Page 10: Interrupter/Operator Description
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Page 11: Primary Disconnects
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Page 12: Modes Of Operation - Mid-1991 And After
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Page 13: Closing Mode
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Page 14: Modes Of Operation - Up To Mid-1991
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Page 15: Trip Free Mode
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Page 16: Closing And Opening Springs
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Page 17: Spring Charging Motor
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Page 18: Auxiliary Switch
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Page 19: Limit Switches
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Page 20
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Page 21: Undervoltage Release
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Page 22: Trio Free Interlock
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Page 23: Maintenance
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Page 24: Checks Of The Primary Power Path
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Page 25: Checks Of The Stored Energy Operator Mechanism
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Page 26: Damper Assembly Check
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Page 27: E'ectrical Close And Trip Check
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Page 28: Inspection And C!Eaning Of Breaker Insulation
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Page 29: Overhaul
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Page 30: Replacement Of Closing And Tr!Pping Solenoids
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Page 31: Replacement Of Ls3 Up To Mid-1991
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Page 32: Replacement Of Spring Dump Switch
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Page 33: Replacement Of Vacuum Interrupters
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Page 34: Vacuum Tube Replacement
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Page 35
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Page 36
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Page 37
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Page 38: Periodic Maintenance And Lubrication Tasks
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Page 39: Troubleshooting
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Page 40
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Page 41: Appendix
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Page 42
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Page 43
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Page 44
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This manual is also suitable for:
5-gml-350
15-gml-1000
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