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Standard amendment
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IEEE C57.93a:2025
IEEE Guide for Installation and Maintenance of Liquid-Immersed Power Transformers Amendment 1: Cold Start of Power Transformers Filled with Natural Ester Liquids
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Summary
Amendment Standard - Active.
The amendment recommends Cold start methods of power transformers filled with natural ester liquids are recommended in this amendment.
This standard was amended to include recommended cold start methods of power transformers filled with natural ester liquids. The scope for the amendment is shown as follows:
--Requirements for properties of natural ester liquids under cold conditions.--Cold start procedure of natural ester-filled power transformers.--Liquid warming procedures.--Operation requirements for the transformer's mechanically operated devices.
The amendment recommends Cold start methods of power transformers filled with natural ester liquids are recommended in this amendment.
This standard was amended to include recommended cold start methods of power transformers filled with natural ester liquids. The scope for the amendment is shown as follows:
--Requirements for properties of natural ester liquids under cold conditions.--Cold start procedure of natural ester-filled power transformers.--Liquid warming procedures.--Operation requirements for the transformer's mechanically operated devices.
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Technical characteristics
| Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
| Publication Date | 06/25/2025 |
| Page Count | 22 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
Modifies
29/05/2019
Active
Most Recent
Previous versions
29/05/2019
Active
Most Recent
31/03/2008
Superseded
Historical
30/11/1995
Superseded
, Reaffirmed
Historical