Standard

IEEE C37.120-2021

Published

Corrigendums and amendments are bought separately.

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Abstract

New IEEE Standard - Active. This guide is developed to assist users in selecting the appropriate level of protection system redundancy for power system reliability based on the best industry practices. It defines protection system redundancy and examines the effect of protection system components on redundancy. Different concepts of redundancy as related to physical location, instrument transformer, relay scheme, and communication systems are discussed. Redundancy application considerations for various power system elements are presented. (An errata for this standard is available at https://standards.ieee.org/wp-content/uploads/2022/12/C37.120-2021_errata.pdf)

Document information

  • Standard from IEEE
  • Published:
  • Document type: IS
  • Pages
  • Publisher IEEE
  • Distributor IEEE
  • ICS 29.240.99
  • Technical Committee IEEE Power and Energy Society / Power System Relaying and Control