Siemens 5-FSV-350 - Figure 22. Vac Uum Tube Replacement I L L Ustrat I on

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Table of Contents3
General6
Introduction6
Receiving6
Figure CI Rcuit Breaker Handling I Nstruct I Ons7
Storage8
"As Found" Tests8
Installation Checkout8
Figure 9. Vac Uum Breaker Mechanism - Cl Osed P Osit I on and Tripping Springs Charged9
Circuit Breaker Elevations10
Figure 10. Operating Mechanism - Details of Cl Osing Spring Charging Com P Onents10
Figure 2 . A. MSV Breaker Front and Side E Levation View11
Figure 11 . Operating Mechanism - Open P Osition Tri Pping Spring Charged and Latched11
Technical Data13
Rating Plate Content13
Rating Summary14
Figure 3 Rating Plate14
Service Conditions15
General Performance Data15
Interrupter/Operator-Description16
Interrupter/Operator Su Bassembly16
Construction16
Breaker Pole17
Current-Path Assembly17
Vacuum Interrupter17
The Arc Quenching Principle17
Figure 6 Section through a Vacuum Breaker Pole18
Figure 7 Section T Hrough a Vacuum Interrupter18
Figure 8 . Secti on through the Vacu um Breaker18
Switching Operation19
Operating Mechanism19
Construction20
Indi Rect Rel Eases20
Motor Operating Mechanism20
Auxiliary Switches20
Mode of Operation20
Charging20
Closin G21
Trip Free Operation21
Opening22
Rapid Auto-Reclosing22
Manual Operation22
Manually Charging the Closing S P Ring22
Figure 12 . View of Mechanism - Breaker Shaft I N Open Positi on22
Figure 13. Front View of Mechanism Enclos U Re Arranged F or Manual Operation22
Figure 1 4 Operator Sequential Operation Diagram23
Manual Closing24
Manual Opening24
Elementary Diagram24
Indi Rect Releases (Dual Tri P & Undervoltage)24
Figure 15. Typical Elementary Diagram24
Secondary Release25
Undervoltage Release25
Construction and Mode of Operation25
Figure 16 . Construction of Shunt Release25
Figure 16.A. Latch Detail S H Unt Release - S H Own Charged25
Figure Undervoltage Bl Ocking Feature26
Figure 17. Capacitor Trip Device26
Capacitor Trip Device27
Interrupter/Operator-Maintenance28
General28
Inspection Check List28
Hand Tools Recommended28
Metric28
English28
Minimum Maintenance Schedule29
Lubrication29
Overhaul29
Lubrication of the Operating Mechanism29
Vacuum Interrupters30
Contact Erosion30
Figure 18 Lubrication of Operator30
Interrupter Vacuum Check-Mechanical31
High Potential Testing and Electrical Interrupter Vacuum Check31
Figure 19. Typical Primary I Nterrupter Contact Life Curves31
Figure 20 Contact Erosion Check31
Vacuum Tube Replacement32
Figure 21A Lower Pole Support with Insulated Coupler32
Figure Primary Contact Cl Osed - Free P Osit I on33
Figure Primary Contact Forced Open by Manual Press Ure33
Figure 22 . Vac Uum Tube Replacement I L L Ustrat I on34
Figure 23 Illustration Showing Required Technique for Fastening Terminal Clamp Hardware35
Hydraulic Shock Absorber36
Vehicle-Description37
Vehicle Function and Operational Interlocks37
Alignment37
Breaker Racking Interlock (Lever Type)37
Breaker Racking Interlock (Screw Type)38
Figure 24.A-1. Details of the Breaker Racking I Nter L Ock - Type FSV38
Figure Details of the Breaker Racking I Nter L Ock - Type MSV38
Plunger Position Mechanical Interlock39
Automatic Closing Spring Release39
Figure Details of the Breaker Racking I Nterl Ock - I Nternal T O Mechanism Enc L os U Re40
Figure 25. A. Details of the a Ut Omatic Cl Osing Spring Dischrge System - Type MSV41
Figure Details of the Automatic Cl Osing S P Ring Discharge System - Type FSV42
Figure 26 . 1200, 2000 and 3000 Amp Contin Uous Cu Rrent I Nter L Ock O Rientat I on42
Continuous Current Interlock43
Control Cable and Connection Box43
Figure 27 . Control Ca Ble Connecti on Detail43
Insulating Barrier-Type FSV44
Front Hinged Panel, Type FSV44
Figure 28 Insulating Barrier-Type FSV44
Figure 29. FSV Hinged F R Ont Panel44
Cubicle Interface Barrier for Type MSV & FSV Circuit Breakers45
Vehicle-Maintenance46
Vehicle Lubrication46
Warranty47

Siemens 5-FSV-350 - Figure 22. Vac Uum Tube Replacement I L L Ustrat I on

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