Standard

NEK EN 50708-3-4:2022

Published

Corrigendums and amendments are bought separately.

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Abstract

This document describes a special test for tanks of liquid-immersed transformers which during service are hermetically sealed and fully filled with liquid and volume change of the liquid due to temperature change compensated by elastic deformation of the cooling element for Large Power Transformers having a rated power greater than 3150 kVA.

Document information

  • Standard from NEK
  • Published:
  • Edition: 2022-09
  • Version: 1
  • Document type: NAT
  • ICS 29.180
  • National Committee NEK/NK14

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