ABB UZF Manuals

Manuals and User Guides for ABB UZF. We have 3 ABB UZF manuals available for free PDF download: Installation And Commissioning Manual, Repair Manual

ABB UZF Installation And Commissioning Manual

ABB UZF Installation And Commissioning Manual (44 pages)

On-load tap-changers with motor-drive mechanism, type BUF 3

Brand: ABB | Category: Industrial Equipment | Size: 0.46 MB

Table of Contents

Table of Contents
7
1 Introduction

9
- Required Tools
  10
- Required Material
  10
- Oil
  11
- Oil Conservator
  11
- Filter Unit for Continuous Oil Filtration
  13
- Weights
  13
- Tightening Torque
  13
2 Receiving

14
- Unpacking
  14
- Inspection Upon Receiving
  14
- Temporary Storage before Assembly
  14
3 Drying

15
4 Installation on the Transformer

16
5 Pressure Relay

21
- General
  21
- Installation
  21
- Checking When Commissioning the Transformer
  22
6 Oil Filling

23
- Filling Methods and Restrictions
  23
  - Retightening
    23
- Filling at Atmospheric Pressure
  23
- Filling under Vacuum
  24
- Correct Oil Level
  24
7 Electrical Connection and Testing

25
- General
  25
- Connecting and Testing
  25
- Electrical Tests on Transformer
  26
- After Energizing
  26
- Resistance Measurement
  26
8 Transport

27
- Oil Level During Transport
  27
  - Transformer Filled with Oil
    27
  - Transformer Drained
    27
9 Commissioning

28
- Reassembly
  28
- Oil Filling
  28
  - Dehydrating Breather
    28
- Electrical Connection and Testing
  28
  - Motor Protection
    28
  - Counter
    28
  - Position Transmitter and Other Multi-Position Switches
    28
  - Light
    28
  - Heater
    29
  - Pressure Relay
    29
- Putting into Operation
  29
APPENDIX A. Welding and Mounting Instruction

30

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ABB UZF Repair Manual

ABB UZF Repair Manual (28 pages)

On-load tap-changers with motor-drive mechanism

Brand: ABB | Category: Industrial Equipment | Size: 0.38 MB

Table of Contents

Table of Contents
7
1 Introduction

9
- General
  9
- Repair Categories
  9
- Serial Number
  9
- Spare Parts List
  10
- Maintenance Guide
  11
- Tightening Torque
  11
2 Trouble-Shooting

12
- On-Load Tap-Changer
  12
- Pressure Relay
  12
  - Trouble-Shooting
    13
- Motor-Drive Mechanism
  14
  - Control System
    14
  - Power System
    16
  - Miscellaneous
    16
3 Repairs and Adjustments

19
- Replacement of Gasket between Insulating Board and Selector Switch Unit
  19
  - General
    19
  - Tools Required
    19
  - Material and Spare Parts Required
    19
  - Procedure
    20
- Replacement of Gaskets between Barrier Board of Steel and Selector Switch Unit
  22
  - General
    22
- Replacement of Front Cover and Top Cover Gaskets
  22
  - Tools Required
    22
  - Material and Spare Parts Required
    23
  - Procedure
    23
- Changing the End Stops in Motor-Drive Mechanism
  23
  - General
    23
  - Tools Required
    23
  - Material and Spare Parts Required
    24
  - Procedure
    24
- Replacement of Maintaining Contact
  26
  - Tools Required
    26
  - Spare Parts Required
    26
  - Procedure
    26
- Replacement of Pressure Relay
  26
  - General
    26
  - Spare Parts Required
    27
  - Procedure
    27

ABB UZF Installation And Commissioning Manual

ABB UZF Installation And Commissioning Manual (24 pages)

On-load tap-changers

Brand: ABB | Category: Industrial Electrical | Size: 1.19 MB

Table of Contents

Table of Contents
6
1 Introduction

9
- Required Tools
  10
- Required Material
  10
- Oil
  10
- Oil Conservator
  11
- Filter Unit for Continuous Oil Filtration
  12
- Weights
  12
- Tightening Torque
  12
- Pressure Relay and Other Protection Devices
  12
2 Receiving

13
- Unpacking
  13
- Inspection Upon Receiving
  13
- Temporary Storage before Assembly
  13
3 Drying

14
4 Installation on the Transformer

15
- Attaching the Tap-Changer to the Transformer
  15
  - Welding
    15
  - Bolting
    15
  - Assembly of Accessories
    17
  - Retightening
    17
- Connection of the Regulating Winding of the Transformer
  17
- Connection to the Oil Conservator
  18
5 Oil Filling

19
- Retightening
  19
- Filling Methods and Restrictions
  19
  - Filling at Atmospheric Pressure
    19
  - Filling under Vacuum
    19
- Correct Oil Level
  19
6 Electrical Connection and Testing

20
- General
  20
- Connecting and Testing
  20
- Electrical Tests on Transformer
  20
- After Energizing
  20
- Resistance Measurement
  20
7 Transport

21
- Oil Level During Transport
  21
  - Transformer Filled with Oil
    21
  - Transformer Drained
    21

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