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IEEE C37.120-2021
IEEE Guide for Protection System Redundancy for Power System Reliability
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STANDARD published on 28.2.2022
The information about the standard:
Designation standards: IEEE C37.120-2021
Publication date standards: 28.2.2022
SKU: NS-1051360
The number of pages: 72
Approximate weight : 216 g (0.48 lbs)
Country: International technical standard
Category: Technical standards IEEE
Annotation of standard text IEEE C37.120-2021 :
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 />
ISBN: 978-1-5044-8157-1, 978-1-5044-8158-8
Number of Pages: 72
Product Code: STD25080, STDPD25080
Keywords: backup protection, breaker failure protection, communication systems, current transformers, dependability, IEEE C37.120, primary protection, protection systems, redundancy, reliability, security, voltage transformers
Category: Protective Relaying
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