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ABB UCL Manuals
Manuals and User Guides for ABB UCL. We have
2
ABB UCL manuals available for free PDF download: Installation And Commissioning Manual, Repair Manual
ABB UCL Installation And Commissioning Manual (56 pages)
On-load tap-changers
Brand:
ABB
| Category:
Transformer
| Size: 13.5 MB
Table of Contents
Table of Contents
6
1 Introduction
9
Type Designation
11
Required Tools
12
Required Material
12
Oil
12
Oil Conservator
12
Oil Filter Unit for Continuous Oil Filtration
13
Weights
13
Tightening Torques
13
2 Receiving
14
Unpacking
14
Inspection on Receipt
14
Temporary Storage before Assembly
14
3 Installation in the Transformer
15
Cover-Mounting
16
UCL/VUCL with Tap Selector Size III
16
Yoke-Mounting
19
Mounting When the Transformer Ratio Measurement Is Carried out before Drying
20
Mounting When the Transformer Ratio Measurement Is Carried out after Drying
22
Mounting on Transformer Cover (after the Drying Process)
23
Connection to Terminals
25
Transformer Ratio Measurement
27
Transformer Ratio Measurement before Drying
27
Transformer Ratio Measurement after Drying
27
4 Drying
28
Precautions before Processing
28
Precautions after Processing
28
Installation of Diverter Switch
28
5 Final Assembly
30
Mounting of Motor-Drive Mechanism
30
Mounting of External Drive Shafts
34
Mounting of Vertical Drive Shaft
34
Mounting of Horizontal Drive Shaft for One Unit
36
Mounting of Horizontal Drive Shaft for Two Units
38
Mounting of Horizontal Drive Shafts for Three Units
40
Before Operation
40
Supervisory Equipment
40
Assembly of Accessories
40
Connection to the Oil Conservator
40
Connection of Tube for Oil Sampling for VUC
41
6 Oil Filling and Draining
42
Filling Methods and Restrictions
42
Before Filling
42
Filling at Atmospheric Pressure
42
Filling under Vacuum
42
Oil Conservator Filled under Vacuum
42
7 Electrical Connection and Testing
44
General
44
Connecting and Testing the Motor-Drive Mechanism and the Tap-Changer
44
Electrical Tests on the Transformer
44
After Energizing
44
8 Transport
45
Dismantling before Transport
45
Dismantling Preparations
45
Removal of the Vertical Drive Shaft
45
Removal of Horizontal Drive Shaft for One Unit
45
Removal of Horizontal Drive Shafts for Two Units
45
Removal of Horizontal Drive Shafts for Three Units
45
Accessories
46
Oil Level During Transport
46
Transformer Filled with Oil
46
Conservator Mounted
46
Conservator Unmounted
46
Transformer Drained
46
9 Commissioning
47
Connection to the Oil Conservator
47
Mounting the Motor-Drive Mechanism and the Drive Shafts
47
Mounting of the Motor-Drive Mechanism
47
Mounting of the External Drive Shafts
47
Mounting of the Vertical Drive Shaft
48
Mounting of Horizontal Drive Shaft for One Unit
49
Mounting of Horizontal Drive Shafts for Two Units
50
Mounting of Horizontal Drive Shafts for Three Units
51
Before Operation
51
Supervisory Equipment
51
Accessories
51
Oil Filling
51
Electrical Connection and Testing
51
Motor Protection
51
Disk Brake
52
Counter
52
Position Transmitter and Other Position Switches
52
Light
52
Heater
52
Putting into Operation
52
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ABB UCL Repair Manual (36 pages)
On-load tap-changer with motor-drive mechanisms
Brand:
ABB
| Category:
Industrial Equipment
| Size: 1.92 MB
Table of Contents
Table of Contents
7
1 Introduction
9
General
9
Repair Categories
9
Serial Number
11
Spare Parts List
11
Maintenance Guide
12
Tightening Torque
12
2 Trouble-Shooting
13
On-Load Tap-Changer
13
Pressure Relay
14
Motor-Drive Mechanism
15
Control System
15
Power System
17
Miscellaneous
17
3 Repairs and Adjustments
22
Replacement of Gear Box on the On-Load Tap-Changer or Replacement of O-Rings for the Gear Box
22
General
22
Tools Required
22
Material and Spare Parts Required
22
Procedure
23
Replacement of Diverter Switch Housing Cover Gasket
27
General
27
Tools Required
27
Material and Spare Parts Required
27
Procedure
27
Restoring the Gas Cushion
28
General
28
Equipment Required
28
Procedure
28
Replacement or Addition of a Multi-Position Switch (BUL Only)
30
General
30
Tools Required
30
Procedure
30
Examination of the Diverter Switch after a Pressure Relay Trip
32
Tools and Material Required
32
Procedure
32
Tests of the Pressure Relay
33
Replacement of Pressure Relay
34
General
34
Tools Required
34
Spare Parts Required
34
Procedure
34
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