IEEE C57.12.11-1980
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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IEEE Guide for Installation of Oil-Immersed Transformers (10 MVA and Larger, 69-287 kV Rating)
15-10-2021
English
07-11-1980
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1 Scope and introduction
2 Inspection on receipt
3 Internal inspection
3.1 Atmospheric conditions
3.2 Oil filling before opening tank
3.3 Oil filling before opening tank - alternate method
3.4 Special considerations for different types of tanks
3.5 Inspection
4 Handling
4.1 Complete transformer
4.2 Lifting with slings
4.3 Raising with jacks
5 Assembly of fittings
5.1 General
5.2 Bushings
5.3 Heat exchangers and piping
5.4 Other accessories
6 Vacuum treatment
6.1 Preparation
6.2 Vacuum treatment
7 Filling with oil
7.1 Checking oil
7.2 Vacuum filling
8 Tests
9 Field drying
9.1 Method 1 - circulating hot oil
9.2 Method 2 - short-circuited windings, vacuum
9.3 Method 3 - using high vacuum
9.4 Method 4 - using hot air
9.5 Completion of the drying
Figure
1 Moisture equilibrium chart
Table
1 Vacuum-pressure conversions
Covers new large oil immersed power transformers with high voltage windings rated 69-287 kV inclusive. Sections may apply to lower voltage transformers when similar conditions and transformer construction exist, and for servicing older transformers.
| Committee |
Transformers
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
Institute of Electrical & Electronics Engineers
|
| Status |
Superseded
|
| SupersededBy |
| IEEE C57.12.12 : 1980 | GUIDE FOR INSTALLATION OF OIL-IMMERSED EHV TRANSFORMERS 345 KV AND ABOVE. |
| IEEE C57.129-2007 REDLINE | IEEE Standard for General Requirements and Test Code for Oil-Immersed HVDC Converter Transformers |
| IEEE C57.12.00-1987 | IEEE Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers |
| IEEE C37.91-2008 REDLINE | IEEE Guide for Protecting Power Transformers |
| IEEE C37 : 1995 | COMPLETE EDITION OF CURRENT STANDARDS PUBLISHED BY THE IEEE AND ANSI ON CIRCUIT BREAKERS, SWITCHGEAR, SUBSTATIONS, AND FUSES |
| IEEE C37.95-2014 | IEEE Guide for Protective Relaying of Utility-Consumer Interconnections |
| IEEE C57.12.01-2015 REDLINE | IEEE Standard for General Requirements for Dry-Type Distribution and Power Transformers |
| IEEE C57.12.00-2015 | IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers |
| IEEE C57.12.90-2010 | IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers |
| IEEE C57.98-2011 | IEEE Guide for Transformer Impulse Tests |
| IEEE 85-1973 | IEEE Test Procedure for Airborne Sound Measurements on Rotating Electric Machinery |
| IEEE C57.100-2011 | IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Liquid-Immersed Distribution and Power Transformers |
| IEEE C57.12.91-2011 | IEEE Standard Test Code for Dry-Type Distribution and Power Transformers |
| IEEE C57.105-1978 | IEEE Guide for Application of Transformer Connections in Three-Phase Distribution Systems |
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