Powell 27PV25ASD Vacuum Circuit Breaker Manuals

Manuals and User Guides for Powell 27PV25ASD Vacuum Circuit Breaker. We have 1 Powell 27PV25ASD Vacuum Circuit Breaker manual available for free PDF download: Manual

Powell 27PV25ASD Manual

Powell 27PV25ASD Manual (71 pages)

27kV & 38kV Circuit Breaker with Vacuum Automatic Secondary Disconnect

Brand: Powell | Category: Circuit breakers | Size: 3 MB

Table of Contents

Table of Contents
5
Ch 1 General Information
9
- Scope
  10
- Purpose
  10
- Instruction Bulletins Available Electronically
  10
Ch 2 Safety
11
- Safe Work Condition
  11
- Safety Guidelines
  11
- General
  11
- Specific
  12
- X-Rays
  12
- Safety Labels
  13
Ch 3 Equipment Description
14
Ch 4 Installation
31
- Receiving
  31
- Handling
  31
- Storage
  31
- Figure 13 Lifting the Circuit Breaker by Crane
  31
- Placing the Circuit Breaker into Service
  32
  - High-Voltage Insulation Integrity
    32
  - Vacuum Integrity
    33
Table a Field Dielectric Test Values
33
Ch 5 Maintenance
39
- General Description
  39
  - Introduction
    39
  - Inspection and Cleaning
    40
- Mechanism Area
  41
  - Mechanical Operation
    41
  - Lubrication
    41
  - Figure 16 Lubrication
    42
  - Figure 17 Lubrication (Cont)
    43
Table B Lubrication
44
Table C Timing
54
Table D Primary Resistance
54
Ch 6 Recommended Renewal Parts and Replacement Procedures
55
Table E Primary Current Path
59
Table F Control Devices
60
Figure 28 Control Devices
61
Table G Miscellaneous Parts
62
- Closing Coil Assembly
  64
- Primary Shunt Trip Coil Assembly
  64
- Secondary Shunt Trip Coil Assembly
  65
- Undervoltage Device Assembly (UV)
  65
- Charging Motor Assembly
  66
- Anti-Pump Relay Assembly
  67
- Latch Check Switch
  68
- Motor Cutoff Switch Assembly
  68
- Auxiliary Switch
  69

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