Powell POWLVAC 15PV63SASD Manuals

Manuals and User Guides for Powell POWLVAC 15PV63SASD. We have 1 Powell POWLVAC 15PV63SASD manual available for free PDF download: Instructions Manual

Powell POWLVAC 15PV63SASD Instructions Manual (52 pages)

Automatic secondary disconnect circuit breaker

Brand: Powell | Category: Circuit breakers | Size: 2 MB

Table of Contents
2
Introduction
7
Scope
7
Purpose
7
Instruction Bulletins Available Electronically
7
Safety
7
General
8
Specific
8
X-Rays
8
Safety Labels
8
Equipment Description
9
General Description
9
Figure 1. Powlvac® 63Ka ASD Circuit Breaker
9
Figure 2. Powlvac 63Ka ASD Circuit Breaker (Top and Side View)
10
Figure 3. Powlvac 63Ka ASD Circuit Breaker (Rear View)
11
Figure 4. ASD Circuit Breaker - Interior View (Front Cover Removed)
12
The Stored-Energy Mechanism
13
Mechanical Description
13
Electrical Description
14
Figure 5. Cam and Fundamental Linkage Positions
16
Figure 6. Mechanism and Trip Linkages
16
Figure 7. Operation Sequence (Standard Control)
17
Figure 8. Typical Control Scheme
18
Racking Mechanism
19
General Description
19
Standard Circuit Breaker Interlocking
19
Circuit Breaker Compartment Interfaces
20
Primary Disconnecting Devices
20
Secondary Disconnecting Device
20
MOC (Mechanism-Operated Contact) Actuator
20
TOC (Truck-Operated Contact) Actuator
20
Ground Connection
20
Shutter Rollers
20
Anti-Rollout Latch
20
Vacuum Interrupters
20
Vacuum Interrupter Connection
20
Installation
21
Receiving
21
Handling
21
Figure 9. Circuit Breaker in Shipping Carton
21
Figure 10. Circuit Breaker Shipping Bracket
21
Figure 11. Circuit Breaker and Fork Lift
21
Storage
22
Placing the Circuit Breaker into Service
22
High Voltage Insulation Integrity
22
Figure 12. Circuit Breaker and Crane
22
Vacuum Integrity
23
Table A. Field Dielectric Test Values
23
Control Voltage Insulation Integrity
24
Mechanical Operation Check
25
Racking Mechanism Check
25
Inserting the Circuit Breaker into the Metal-Clad Switchgear
26
Inserting the ASD Circuit Breaker
26
Racking the ASD Circuit Breaker
27
Figure 13. ASD Circuit Breaker - Test Position
28
Figure 14. ASD Circuit Breaker - Racking Handle Insertion
28
Figure 15. Racking the ASD Circuit Breaker
28
Figure 16. ASD Circuit Breaker Removal - Applying the Anti-Rollout Latch
29
Through Door Racking Option for the ASD Circuit Breaker
30
Figure 17. through Door Racking Option for Circuit Breaker
30
Power Racking
31
Maintenance
32
General Description
32
Introduction
32
Inspection and Cleaning
33
Mechanism Area
33
Mechanical Operation
33
Lubrication
33
Main Closing Spring Removal, Slow Closing of Mechanism, and Latch Check Switch Adjustment
34
Figure 18. Main Closing Spring Assembly Compressed for Removal
34
Figure 19. Main Closing Spring Assembly Installed
34
Figure 20. Latch Check Switch Adjustment
35
Mechanism Adjustments
36
Figure 21. Primary and Secondary Trip Prop Adjustment
36
Figure 22. Primary Trip Prop Adjusting Screw
36
Electrical Operation
37
Vacuum Interrupter and Contact Area
37
Vacuum Interrupter and Contact Erosion
37
Vacuum Integrity
37
Mechanical Adjustment of Vacuum Interrupters
37
Optional Maintenance Procedures
38
High Potential Tests
38
Timing
38
Primary Resistance Check
38
Table B. Timing
38
Table C. Primary Resistance
38
Table D. Lubrication
39
Figure 23. Lubrication (1 of 2)
40
Figure 24. Lubrication (2 of 2)
41
Recommended Renewal Parts and Repair Procedures
42
Ordering Instructions
42
Recommended Renewal Parts
42
Figure 25. Primary Current Path
43
Table E. Primary Current Path
43
Figure 26. Control Devices
44
Table F. Control Devices (1)
44
Table G. Miscellaneous Parts
45
Replacement Procedures
46
Vacuum Interrupter Assembly
46
Closing Coil Assembly
46
Primary Shunt Trip Coil Assembly
46
Figure 27. Closing Coil Assembly
46
Figure 28. Primary Shunt Trip Coil Assembly
46
Secondary Shunt Trip Coil Assembly
47
Undervoltage Device Assembly
47
Ground Connection Assembly
47
Figure 29. Trip Lever Gap Adjustment
47
Figure 30. Undervoltage Device Assembly
47
Figure 31. Ground Connection
47
Charging Motor Assembly
48
Anti-Pump Relay Assembly
48
Figure 32. Charging Motor Assembly
48
Figure 33. Anti-Pump Relay
48
Latch Check Switch
49
Motor Cutoff Switch Assembly
49
Figure 34. Latch Check Switch
49
Figure 35. Motor Cutoff Switch Assembly
49
Auxiliary Switch
50
Primary Disconnecting Device Spring Assembly
50
Figure 36. Auxiliary Switch
50
Figure 37. Primary Disconnecting Device Spring Assembly
50

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