IEEE C57.93 : 2007

Table of Contents

1 Scope
2 Normative references
3 Liquid-immersed power transformers rated 501 kVA to 10 MVA,
  or with primary windings less than 69 kV
   3.1 General
   3.2 Inspection and receipt
   3.3 Internal inspection
   3.4 Handling
   3.5 Assembly
   3.6 Storage
   3.7 Tests
   3.8 Energization
   3.9 Maintenance
4 Liquid-immersed power transformers rated 10 MVA and above or
  with high-voltage windings 69 kV and above
   4.1 General
   4.2 Shipping
   4.3 Inspection and receipt
   4.4 Internal inspection
   4.5 Handling
   4.6 Anchorage
   4.7 Assembly
   4.8 Vacuum treatment
   4.9 Field drying of insulation
   4.10 Reprocessing
   4.11 Tests after the transformer has been assembled and
        filled with dielectric liquid
   4.12 Energization
   4.13 Maintenance
   4.14 Storage guidelines
Annex A (informative) Bibliography
Annex B (informative) Figures and table
Annex C (informative) Field equipment for oil-filling EHV
        transformers and determination of insulation dryness

Abstract

Presents recommendations applying to the shipping, handling, inspection, installation, and maintenance of liquid-immersed power transformers rated 501 kVA and above with secondary voltages of 1000 V and above. It covers the entire range of power transformers, including extra high-voltage (EHV) transformers.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Institute of Electrical & Electronics Engineers
Pages
ISBN
Supersedes	IEEE DRAFT C57.93 : D13 2005 IEEE C57.12.12 : 1980 IEEE C57.12.11 : 1980