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FM - 3990

Less or Nonflammable Liquid-Insulated Transformers

inactive
Organization: FM
Publication Date: 1 June 1997
Status: inactive
Page Count: 22

Document History

3990
December 1, 2022
Liquid-Insulated Transformers
This standard sets performance requirements for liquid insulated distribution and power transformers, both naturally cooled and transformers utilizing forcibly circulated cooling medium. The standard...
3990
October 1, 2021
Liquid-Insulated Transformers
This standard sets performance requirements for liquid insulated distribution and power transformers, both naturally cooled and transformers utilizing forcibly circulated cooling medium. The standard...
FMAPPROVAL 3990
January 1, 2018
Less or Nonflammable Liquid-Insulated Transformers
This standard sets performance requirements for liquid insulated distribution and power transformers, both naturally cooled and transformers utilizing forcibly circulated cooling medium. The standard...
3990
June 1, 1997
Less or Nonflammable Liquid-Insulated Transformers
A description is not available for this item.

References

This document is referenced by:
61936-1 - Power installations exceeding 1 kV AC and 1,5 kV DC – Part 1: AC
Published by IEC on July 1, 2021
This part of IEC 61936 provides requirements for the design and the erection of electrical power installations in systems with nominal voltages exceeding 1 kV AC and nominal frequency up to and...
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