ABB UCD Series Manuals

Manuals and User Guides for ABB UCD Series. We have 1 ABB UCD Series manual available for free PDF download: Installation And Commissioning Manual

ABB UCD Series Installation And Commissioning Manual

ABB UCD Series Installation And Commissioning Manual (80 pages)

On-load tap-changers with motor-drive mechanism type BUE

Brand: ABB | Category: Industrial Electrical | Size: 3.26 MB

Table of Contents

Table of Contents
7
1 Introduction

9
- Type Designation
  10
- Required Tools
  13
- Required Material
  13
- Oil
  14
- Oil Conservator
  14
- Oil Filter Unit for Continuous Oil Filtration
  15
- Weights
  15
- Tightening Torque
  17
2 Receiving

17
- Unpacking
  17
- Inspection on Receipt
  17
- Temporary Storage before Assembly
  17
3 Installation in the Transformer

18
4 Drying

44
5 Final Assembly

49
- Mounting of the Motor-Drive Mechanism
  49
- Mounting of External Drive Shafts
  51
- Mounting of Vertical Drive Shaft
  53
- Mounting of Horizontal Drive Shaft
  55
- Before Operation
  57
- Pressure Relay
  58
- General
  58
- Installation
  58
- Checking at Commissioning of the Transformer
  59
- Assembly of Accessories
  59
- Connection to the Oil Conservator
  60
6 Oil Filling

61
- Filling Methods and Restrictions
  61
- Before Filling
  61
- Filling at Atmospheric Pressure
  62
- Filling under Vacuum
  62
- Oil Conservator Filled Afterwards
  63
- Oil Conservator Filled under Vacuum
  63
- Restoring the Gas Cushion
  64
- Procedure
  65
7 Electrical Connection and Testing

66
8 Transport

68
- Dismantling before Transport
  68
- Dismantling Preparations
  68
- Oil Level During Transport
  69
- Transformer Filled with Oil
  69
- Conservator Mounted
  69
- Conservator Dismounted
  69
- Transformer Drained
  69
- Conservator Mounted
  70
- Conservator Dismounted
  70
9 Commissioning

70
- Connection to the Oil Conservator
  72
- Mounting the Motor-Drive Mechanism and Drive Shafts
  72
- Mounting of the Motor-Drive Mechanism
  72
- Disc-Brake
  72
- Mounting of the External Drive Shafts
  73
- Mounting of the Vertical Drive Shaft
  73
- Mounting of the Horizontal Drive Shaft
  75
- Before Operation
  77
- Pressure Relay
  77
- Accessories
  77
- Oil Filling
  77
- Electrical Connection and Testing
  78
- Motor Protection
  78
- Disc Brake
  78
- Counter
  78
- Position Transmitter and Other Position Switches
  79
- Light
  79
- Heater
  79
- Putting into Operation
  79

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