Standard

IEEE C57.157-2015

Published

Corrigendums and amendments are bought separately.

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Abstract

New IEEE Standard - Active. This guide is intended for use in establishing a methodology to evaluate expected long-term performance of infrequently operated switch contacts used within insulating liquid–immersed transformers. These switch contacts are typically found in de-energized tapchangers, dual voltage switches, reversing switches, on-load tapchangers, and step-voltage regulators, but the test might possibly be used to evaluate any contact that is used in insulating liquids with similar operating characteristics and within similar environments.

Document information

  • Standard from IEEE
  • Published:
  • Document type: IS
  • Pages
  • Publisher IEEE
  • Distributor IEEE
  • ICS 29.120.40
  • ICS 29.180
  • Technical Committee IEEE Power and Energy Society / Transformers

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