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270VCP-W1000
Eaton 270VCP-W1000 Manuals
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Eaton 270VCP-W1000 manual available for free PDF download: Instructions For Installation, Operation And Maintenance
Eaton 270VCP-W1000 Instructions For Installation, Operation And Maintenance (81 pages)
Vacuum Circuit Breakers
Brand:
Eaton
| Category:
Circuit breakers
| Size: 5.45 MB
Table of Contents
Table of Contents
3
Section 1: Introduction
7
Preliminary Comments and Safety Precautions
7
1-1.1 Warranty and Liability Information
7
1-1.2 Safety Precautions
7
General Information
7
Type VCP-W Vacuum Circuit Breaker Element Ratings (Tables 1.1, 1.2, 1.3, 1.4, 1.5, 1.6,1.7,1.8 & 1.9)
8
Outlines and Dimensions
14
Section 2: Safe Practices
16
Recommendations
16
Section 3: Receiving, Handling and Storage
17
General
17
Receiving
17
Handling
17
Storage
17
Tools and Accessories
18
Section 4: Initial Inspection and Installation
25
Introduction
25
Manual Operation Check
25
Vacuum Interrupter Integrity
25
Insulation
25
Contact Erosion and Wipe
25
Primary Circuit Resistance
25
Nameplate
25
Electrical Operation Check
26
4-8.1 Circuit Breaker Insertion and Removal
26
4-8.2 Operation Check Performance
32
Circuit Breaker/Structure Interfacing
33
4-9.1 Interface Interlocks/Interfacing Check
33
Section 5: Description and Operation
35
Introduction
35
Interrupter Assembly
35
5-2.1 Vacuum Interrupter
35
5-2.2 Contact Erosion Indication
36
5-2.4 Contact Wipe and Stroke
36
5-2.5 Phase Barrier
36
Stored Energy Mechanism
38
5-3.1 Operation of Stored Energy Mechanism
38
5-3.2 Charging
41
5-3.3 Closing Operation
41
5-3.4 Tripping Operation
41
5-3.5 Trip Free Operation
41
Control Schemes
41
5-4.1 Timing
45
5-4.2 Secondary Disconnects
45
5-4.3 Undervoltage Trip Device
45
Interlocks and Interfacing
47
Levering Mechanism
47
Operations Counter
47
Ground Contact
47
MOC and TOC Switch Operations
47
Section 6: Inspection, Maintenance and Troubleshooting
48
Introduction
48
Frequency of Inspection and Maintenance
48
6-2.1 Qualified Personnel
48
6-2.2 General Torque Guidelines
49
Inspection and Maintenance Procedures
50
Vacuum Interrupter Integrity Test
51
Contact Erosion and Wipe
52
Insulation
52
Insulation Integrity Check
53
Primary Circuit Resistance Check
54
Mechanism Check
54
6-9.1 Closure TM Test
54
Lubrication
58
Troubleshooting Chart
61
End of Life Procedure
61
Failure Reporting
61
Section 7: Renewal Parts
62
General
62
7-1.1 Ordering Instructions
62
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