ABB VHKR 80 Manuals

Manuals and User Guides for ABB VHKR 80. We have 1 ABB VHKR 80 manual available for free PDF download: Installation & Maintenance Instructions Manual

ABB VHKR 80 Installation & Maintenance Instructions Manual

ABB VHKR 80 Installation & Maintenance Instructions Manual (34 pages)

Medium Voltage Vacuum Power Circuit Breakers

Brand: ABB | Category: Circuit breakers | Size: 0.85 MB

Table of Contents

Table of Contents
2
Introduction

4
Receiving and Storage

4
Installation

4
Circuit Breaker Removal - Model 21

8
Adjustments, Tests and Periodic Maintenance

9
- Insulation Cleaning
  10
- DC Millivolt Drop Test / Micro-Ohm Test
  10
- Contact Wear and Contact Pressure
  10
- Contact Gap
  10
- Contact Gap Check
  11
- Contact Sequencing
  11
- Closing and Opening Times
  12
- Closing and Opening Speeds
  12
- Operating Mechanism
  12
- Trip Latch Engagement (Bite)
  13
- Control Device
  13
- Lubrication
  13
- Dielectric Tests
  13
Electrical Characteristics of Control Devices

15
- DC and Ac Closing Operating Sequence
  15
- Ac Closing Operating Sequence
  15
Ground and Test Devices

17
Renewal Parts

17
Appendix

18
- Igure A1
  18
- Ifting Yoke Installed
  18
Circuit

18
- Breaker Assembly with L Breaker Rear - Model 21
  19
Odel 21

20
Odel 30

21
- Operated Circuit Breakers
  22
  - Circuit Breaker Panel - M Circuit Breaker Panel - M Charging of Electrically Acking Mechanism & Interlocks
    23
  - Ontrol Device Adjustment
    28
Circuit

30

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