ABB UBBDN On-load tap changers Manuals

Manuals and User Guides for ABB UBBDN On-load tap changers. We have 1 ABB UBBDN On-load tap changers manual available for free PDF download: Installation And Commissioning Manual

ABB UBBDN Installation And Commissioning Manual

ABB UBBDN Installation And Commissioning Manual (48 pages)

On-load tap-changers

Brand: ABB | Category: Industrial Equipment | Size: 0.98 MB

Table of Contents

Table of Contents
7
1 Introduction

9
- Required Tools
  11
- Required Material
  11
- Oil
  11
- Oil Conservator
  11
- Oil Filter Unit for Continuous Oil Filtration
  12
- Weights
  12
- Tightening Torque
  12
2 Receiving

13
- Unpacking
  13
- Inspection Upon Receiving
  13
- Temporary Storage before Assembly
  13
3 Installation in the Transformer

14
- Cover-Mounting
  14
  - Connection to Outside Terminals
    15
- Yoke-Mounting
  16
4 Drying

24
- Observations before Processing
  24
- Observations after Processing
  24
5 Final Assembly

25
6 Pressure Relay

38
- General
  38
- Installation
  38
- Checking at Commissioning of the Transformer
  39
7 Oil Filling

40
- Filling Methods and Restrictions
  40
- Filling at Atmospheric Pressure
  40
- Filling under Vacuum
  41
- Correct Oil Level
  41
- Restoring the Gas Cushion
  42
8 Electrical Connection and Testing

43
- General
  43
- Connecting and Testing
  43
- Electrical Tests on Transformer
  44
- After Energizing
  44

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