Contents - Table Of Contents
- Table Of Contents
- Table Of Contents
- Introduction
- Type VCP-W vacuum circuit breaker element ratings (Tables 1, 2, 3, 4, 5, and 6)
- rated symmetrical current basis
- rated symmetrical current basis (standard ratings)
- Outlines and dimensions
- Figure 2. Type VCPW-ND circuit breaker outlines and dimensions in inches (mm)
- Safe practices
- Tools and accessories
- Table 7 . Accessories for 36-inch wide breaker compartments for 29-inch frame breaker
- Table 8. Narrow design accessories for 26-inch-wide breaker compartments
- Table 9. 27 kV VCP-W accessories
- Table 10. Simple manual ground and test devices—bus bar type
- Table 13. Simple electrically operated ground and test device
- Table 14. Simple electrically operated ground and test device for VCP-W without key interlocks
- Type VCP-W vacuum circuit breaker element weights (Tables 18, 19, and 20)
- Table 20. VCP-W (K = 1) breaker weights a
- operation, and maintenance of type Effective March
- Figure 4. Typical front view VCP-W vacuum circuit breaker
- Figure 5. Typical VCP-W vacuum circuit breaker element with front cover removed
- Figure 6. Typical rear view VCP-W vacuum circuit breaker element
- Figure 7 . Typical VCP-W vacuum circuit breaker front cover arrangement
- Initial inspection and installation
- Figure 9. Insertion of the drawout extension rails
- Figure 11. Front panel
- Figure 12. BPI pan assembly
- Figure 13. Non-BPI pan assembly
- Circuit breaker performance check
- Circuit breaker/structure interfacing
- Figure 16. Pulling secondary disconnect cage to engage secondaries in TEST position
- Description and operation
- Vacuum interrupter
- Stored energy mechanism
- Figure 20. Closing cam and trip linkage
- Figure 21. Charging schematic
- Charging
- Figure 22. Typical VCP-W DC and AC control schemes
- Figure 23. 15 kV VCP-WXC 63 kA 1200-3000 A special power plant breakers
- Figure 23. 5 kV VCP-WXC 63 kA 1200-3000 A special power plant breakers
- Timing
- Figure 24. 15 kV under-voltage trip device configuration
- Interlocks and interfacing
- Inspection, maintenance, and troubleshooting
- General torque guidelines
- Inspection and maintenance procedures
- Vacuum interrupter integrity test
- Figure 27 . Vacuum interrupter showing contact erosion indicator with breaker open
- Insulation
- Figure 30. Starting tape at the bottom of the cam
- Figure 35. Manually charging the closing springs
- Figure 40. Remove marked masking tape from the cam
- Mechanism lubrication
- Troubleshooting chart
- Renewal parts
- Table 28. Recommended renewal parts for IEC rated breakers
- Table 29. Recommended renewal parts for GB rated breakers
- Optional accessories
- Optional 3,000 A ball screw drive for BPI pan assembly
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4Instruction Booklet IB131006ENEffective March 2019Instructions for installation,operation, and maintenance of typeVCP-W vacuum circuit breakersEATON www.eaton.com6. Inspection, maintenance, and troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486.2 Frequency of inspection and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486.2.1 Qualified personnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486.2.2 General torque guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 496.3 Inspection and maintenance procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 506.4 Vacuum interrupter integrity test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 516.5 Contact erosion and wipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 516.6 Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 536.7 Insulation integrity check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 536.8 Primary circuit resistance check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 536.9 Mechanism check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 536.9.1 CloSure™ test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 536.10 Megger and power factor testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 536.11 Mechanism lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 576.12 Finger clusters and switchgear stab lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 576.13 Main contacts to switchgear primary engagement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 576.14 How to determine the manufacturing date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 576.15 Troubleshooting chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 586.16 End of life procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 586.17 Failure reporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 587. Renewal parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 597.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 597.1.1 Ordering instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 598. Optional accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 708.1 Optional factory installed roll-on-floor wheel kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 708.2 Optional automatic/manual hybrid secondary for BPI pan assembly . . . . . . . . . . . . . . . . . . . . . . . 708.3 Optional 3,000 A ball screw drive for BPI pan assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71List of figuresFigure Title PageFigure 1. Type VCP-W, VCPW-SE, and VCP-WC circuit breaker outlines & dim. in inches (mm). . . . . . . . . 11Figure 2. Type VCPW-ND circuit breaker outlines and dimensions in inches (mm). . . . . . . . . . . . . . . . . . 12Figure 3. Typical VCP-W tools and accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Figure 4. Typical front view VCP-W vacuum circuit breaker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Figure 5. Typical VCP-W vacuum circuit breaker element with front cover removed. . . . . . . . . . . . . . . . . 25Figure 6. Typical rear view VCP-W vacuum circuit breaker element. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Figure 7. Typical VCP-W vacuum circuit breaker front cover arrangement. . . . . . . . . . . . . . . . . . . . . . . . . 27Figure 8. Type VCP-W circuit breaker manual charging handle in use. . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Figure 9. Insertion of the drawout extension rails. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Figure 10. Lifting and setting the breaker in the housing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Figure 11. Front panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Figure 12. BPI pan assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Figure 13. Non-BPI pan assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Figure 14. Engaging extension rails in a lower circuit breaker compartment. . . . . . . . . . . . . . . . . . . . . . 34Figure 15. Typical VCP-W circuit breaker bottom view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Figure 16. Pulling secondary disconnect cage to engage secondaries in TEST position. . . . . . . . . . . . . . 35Figure 17. Engaging levering-in crank. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Figure 18. Typical VCP-W rear view showing vacuum interrupters and current carrying system. . . . . . . . 36Figure 19. Graphic representation of arc interruption. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Figure 20. Closing cam and trip linkage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39Figure 21. Charging schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Figure 22. Typical VCP-W DC and AC control schemes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42Figure 23. 15 kV VCP-WXC 63 kA 1200-3000 A special power plant breakers . . . . . . . . . . . . . . . . . . . . 43Figure 23. 5 kV VCP-WXC 63 kA 1200-3000 A special power plant breakers. . . . . . . . . . . . . . . . . . . . . . 44Figure 24. 15 kV under-voltage trip device configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46Figure 25. Lubrication points. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 PreviousNext |