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360 W-VAC 25
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Eaton 360 W-VAC 25 manual available for free PDF download: Instructions For Installation, Operation And Maintenance
Eaton 360 W-VAC 25 Instructions For Installation, Operation And Maintenance (48 pages)
36kV Vacuum Circuit Breakers
Brand:
Eaton
| Category:
Circuit breakers
| Size: 1.05 MB
Table of Contents
Table of Contents
4
Section 1: Introduction
7
General Information
7
Preliminary Comments and Safety Precautions
7
1-1.1 Warranty and Liability Information
7
1-1.2 Safety Precautions
7
Figure Title
8
Figure Title
9
Outlines and Dimensions
9
Type W-VAC 36Kv Circuit Breaker Outlines and Dimensions
9
Type W-VAC Vacuum Circuit Breaker Rated in Accordance with IEC-56
8
Type W-VAC Vacuum Circuit Breaker Ratings (Table 1.1)
8
Safe Practices
10
Recommendations
10
Receiving, Handling and Storage
11
General
11
Receiving
11
Handling
11
Circuit Breaker Shown Mounted with Ramp Still in Shipping Position
11
Storage
12
Circuit Breaker Shown Being Moved Carefully down Attached Ramp
12
Optional Fifth Wheel Shown in Use
12
Tools and Accessories
13
Type W-VAC Vacuum Circuit Breaker Weights (Table 3.1)
13
W-VAC Circuit Breaker Weights
13
Front View W-VAC 36Kv Vacuum Circuit Breaker
14
W-VAC 36Kv Vacuum Circuit Breaker with Front Cover Removed
15
Rear View W-VAC 36Kv Vacuum Circuit Breaker
16
Typical W-VAC 36Kv Escutcheon
17
Initial Inspection and Installation
18
Introduction
18
Manual Operation Check
18
Vacuum Interrupter Integrity
18
Insulation
18
Contact Erosion and Wipe
18
Primary Circuit Resistance
18
Nameplate
18
Type W-VAC Circuit Breaker Manual Charging Handle in Use
18
Electrical Operation Check
19
4-8.1 Circuit Breaker Insertion and Removal
19
4-8.2 Operation Check Performance
20
Breaker/Structure Interfacing
20
4-9.1 Interface Interlocks
20
4-9.2 Interfacing Check
20
Description and Operation
22
Introduction
22
Interrupter Assembly
22
Rear View Showing Pole Unit Enclosure
22
Plate over Rear Truck Opening 2000A Breakers and above
22
5-2.1 Vacuum Interrupter
23
5-2.2 Contact Erosion Indication
23
Graphic Representation of Arc Interruption
23
5-2.3 Loading Spring Indication
24
5-2.4 Contact Wipe and Stroke
24
Stored Energy Mechanism
24
5-3.1 Operation of Stored Energy Mechanism
24
5-3.2 Charging
24
Closing Cam and Trip Linkage
25
5-3.3 Closing Operation
26
5-3.4 Tripping Operation
26
Control Schemes
26
5-4.1 Timing
26
Charging Schematic
27
Typical 36Kv W-VAC "DC" and "AC" Control Schematics
28
5-4.2 Secondary Disconnects
29
5-4.3 Undervoltage Trip Device
29
Secondary Circuit Breaker Plug Shown Mounted Lower Left
29
Circuit Breaker Timing
29
Interlocks and Interfacing
30
Levering Mechanism
30
Operations Counter
30
Ground Contact
30
MOC and TOC Switch Operations
30
Undervoltage Trip Device Configuration
31
Inspection, Maintenance and Troubleshooting
32
Introduction
32
Frequency of Inspection and Maintenance
32
6-2.1 Qualified Personnel
32
6-2.2 Helpful Tools and Accessory Items
32
6-2.3 General Torque Guidelines
32
Torque Guidelines
33
Lubrication Points
34
Inspection and Maintenance Procedures
35
Vacuum Interrupter Integrity Test
36
Contact Erosion
36
Contact Wipe
36
Test Voltage
36
Insulation
37
Insulation Integrity Check
37
Rear Measurement for Contact Erosion Being Made (Circuit Breaker Closed)
37
Graphical Representation of Contact Erosion Measurement (Circuit Breaker Closed)
37
Primary Circuit Resistance Check
38
Mechanism Check
38
Lubrication
38
Graphical Representation of Contact Wipe Measurement of Loading Spring Indicator (Circuit Breaker Closed)
38
Troubleshooting Chart
39
Typical Resistance Measurements
39
Renewal Parts
42
General
42
7-1.1 Ordering Instructions
42
Recommended Renewal Parts for ANSI Rated Breakers
42
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